mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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102,362 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
402e262d77 |
EFI updates for v6.17
- Expose the OVMF firmware debug log via sysfs - Lower the default log level for the EFI stub to avoid corrupting any splash screens with unimportant diagnostic output -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCaJbnoAAKCRAwbglWLn0t XIhuAQDB+qEzM0nBPRVnlztrjKDbxu01jzFgCuf4egFePs4OjwD/dgNCXXudn5JB X7VWNi8VQAWBMhijpEKXvDu6f0MXFgw= =UeGX -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Expose the OVMF firmware debug log via sysfs - Lower the default log level for the EFI stub to avoid corrupting any splash screens with unimportant diagnostic output * tag 'efi-next-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi: add API doc entry for ovmf_debug_log efistub: Lower default log level efi: add ovmf debug log driver |
||
|
Linus Torvalds
|
2988dfed8a |
block-6.17-20250808
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Merge tag 'block-6.17-20250808' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
- MD pull request via Yu:
- mddev null-ptr-dereference fix, by Erkun
- md-cluster fail to remove the faulty disk regression fix, by
Heming
- minor cleanup, by Li Nan and Jinchao
- mdadm lifetime regression fix reported by syzkaller, by Yu Kuai
- MD pull request via Christoph
- add support for getting the FDP featuee in fabrics passthru path
(Nitesh Shetty)
- add capability to connect to an administrative controller
(Kamaljit Singh)
- fix a leak on sgl setup error (Keith Busch)
- initialize discovery subsys after debugfs is initialized
(Mohamed Khalfella)
- fix various comment typos (Bjorn Helgaas)
- remove unneeded semicolons (Jiapeng Chong)
- nvmet debugfs ordering issue fix
- Fix UAF in the tag_set in zloop
- Ensure sbitmap shallow depth covers entire set
- Reduce lock roundtrips in io context lookup
- Move scheduler tags alloc/free out of elevator and freeze lock, to
fix some lockdep found issues
- Improve robustness of queue limits checking
- Fix a regression with IO priorities, if no io context exists
* tag 'block-6.17-20250808' of git://git.kernel.dk/linux: (26 commits)
lib/sbitmap: make sbitmap_get_shallow() internal
lib/sbitmap: convert shallow_depth from one word to the whole sbitmap
nvmet: exit debugfs after discovery subsystem exits
block, bfq: Reorder struct bfq_iocq_bfqq_data
md: make rdev_addable usable for rcu mode
md/raid1: remove struct pool_info and related code
md/raid1: change r1conf->r1bio_pool to a pointer type
block: ensure discard_granularity is zero when discard is not supported
zloop: fix KASAN use-after-free of tag set
block: Fix default IO priority if there is no IO context
nvme: fix various comment typos
nvme-auth: remove unneeded semicolon
nvme-pci: fix leak on sgl setup error
nvmet: initialize discovery subsys after debugfs is initialized
nvme: add capability to connect to an administrative controller
nvmet: add support for FDP in fabrics passthru path
md: rename recovery_cp to resync_offset
md/md-cluster: handle REMOVE message earlier
md: fix create on open mddev lifetime regression
block: fix potential deadlock while running nr_hw_queue update
...
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||
|
Linus Torvalds
|
0227b49b50 |
gpio updates for v6.17-rc1
- remove unused, legacy GPIO line value setters from struct gpio_chip - rename the new set callbacks back to the original names treewide - fix interrupt handling in gpio-mlxbf2 - revert a buggy immutable irqchip conversion -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmiV1PUACgkQEacuoBRx 13IQvQ//Rhl2xC/DKUHb8wR8yOyMRUQ2tmD8hM+lrS0Dej7mJ91e4SJpqxtQck+c mNeiMG1JLSrN+2RCWzinPR6ha7ML8Zu8XP1OxG5EDD06hyWAKHI6CF/PIeZX7Sy4 xMlSpH/brRInj3NBaBLdlompqfe2CVUFW2ahvovE97oz7l+nKEZUa5r3Gw7lHcRz bmbQ0FLKfYsAz9hzD0pc8wcralp5ggyiiGcdZI8U2YCAUKLV5M/FhMuU/M0jEiJi iYtr2OQJijtSWDP2i81aQj/ZsdW5gfCCiGSAoeVdcRLAL0bLHLCR8Wird+0DWCGO UHJg+Ed0+84+sahuoU07vYyDM1T92vUDwjAkr8H65+U7u4cHjoj4fYi6104Fbh0J /1deR53z6vhObFkZmh61lv63SES9xzOfM6FJP1UUMwtG40JQcZNYnHDFAD3V5wvN Gi1gVub9L5TKSJMsJHirtsk+QT6KnInVxzXcgqC09XxhuEvA+MC+Qkee+P8bbaAU mcOR4conQzcoWuv/Y0GCGJ3CpvHhCmcBfL1MdtjFWHipG4LhlIVtRCJDRAx2Q5oY C4vQterv4r9mXomAs4ykRlEdCnXvldv9PN8lKQ0KMendwTv4A4xG8o6IEoYSb90R q7CNQjxjyr77ovRbcfSoAZrcRG4oP3nGhSQsdv85wHZU5XbJXoU= =MulZ -----END PGP SIGNATURE----- Merge tag 'gpio-updates-for-v6.17-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio updates from Bartosz Golaszewski: "As discussed: there's a small commit that removes the legacy GPIO line value setter callbacks as they're no longer used and a big, treewide commit that renames the new ones to the old names across all GPIO drivers at once. While at it: there are also two fixes that I picked up over the course of the merge window: - remove unused, legacy GPIO line value setters from struct gpio_chip - rename the new set callbacks back to the original names treewide - fix interrupt handling in gpio-mlxbf2 - revert a buggy immutable irqchip conversion" * tag 'gpio-updates-for-v6.17-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: treewide: rename GPIO set callbacks back to their original names gpio: remove legacy GPIO line value setter callbacks gpio: mlxbf2: use platform_get_irq_optional() Revert "gpio: pxa: Make irq_chip immutable" |
||
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Linus Torvalds
|
ccc1ead23c |
NFS client updates for Linux 6.17
Highlights include:
Stable fixes:
- NFS don't inherit NFS filesystem capabilities when crossing from one
filesystem to another.
Bugfixes:
- NFS wakeup of __nfs_lookup_revalidate() needs memory barriers.
- NFS improve bounds checking in nfs_fh_to_dentry().
- NFS Fix allocation errors when writing to a NFS file backed loopback
device.
- NFSv4: More listxattr fixes
- SUNRPC: fix client handling of TLS alerts.
- pNFS block/scsi layout fix for an uninitialised pointer dereference.
- pNFS block/scsi layout fixes for the extent encoding, stripe mapping,
and disk offset overflows.
- pNFS layoutcommit work around for RPC size limitations.
- pNFS/flexfiles avoid looping when handling fatal errors after layoutget.
- localio: fix various race conditions.
Features and cleanups:
- Add NFSv4 support for retrieving the btime.
- NFS: Allow folio migration for the case of mode == MIGRATE_SYNC.
- NFS: Support using a kernel keyring to store TLS certificates.
- NFSv4: Speed up delegation lookup using a hash table.
- Assorted cleanups to remove unused variables and struct fields.
- Assorted new tracepoints to improve debugging.
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Merge tag 'nfs-for-6.17-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Stable fixes:
- don't inherit NFS filesystem capabilities when crossing from one
filesystem to another
Bugfixes:
- NFS wakeup of __nfs_lookup_revalidate() needs memory barriers
- NFS improve bounds checking in nfs_fh_to_dentry()
- NFS Fix allocation errors when writing to a NFS file backed
loopback device
- NFSv4: More listxattr fixes
- SUNRPC: fix client handling of TLS alerts
- pNFS block/scsi layout fix for an uninitialised pointer
dereference
- pNFS block/scsi layout fixes for the extent encoding, stripe
mapping, and disk offset overflows
- pNFS layoutcommit work around for RPC size limitations
- pNFS/flexfiles avoid looping when handling fatal errors after
layoutget
- localio: fix various race conditions
Features and cleanups:
- Add NFSv4 support for retrieving the btime
- NFS: Allow folio migration for the case of mode == MIGRATE_SYNC
- NFS: Support using a kernel keyring to store TLS certificates
- NFSv4: Speed up delegation lookup using a hash table
- Assorted cleanups to remove unused variables and struct fields
- Assorted new tracepoints to improve debugging"
* tag 'nfs-for-6.17-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (44 commits)
NFS/localio: nfs_uuid_put() fix the wake up after unlinking the file
NFS/localio: nfs_uuid_put() fix races with nfs_open/close_local_fh()
NFS/localio: nfs_close_local_fh() fix check for file closed
NFSv4: Remove duplicate lookups, capability probes and fsinfo calls
NFS: Fix the setting of capabilities when automounting a new filesystem
sunrpc: fix client side handling of tls alerts
nfs/localio: use read_seqbegin() rather than read_seqbegin_or_lock()
NFS: Fixup allocation flags for nfsiod's __GFP_NORETRY
NFSv4.2: another fix for listxattr
NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()
SUNRPC: Silence warnings about parameters not being described
NFS: Clean up pnfs_put_layout_hdr()/pnfs_destroy_layout_final()
NFS: Fix wakeup of __nfs_lookup_revalidate() in unblock_revalidate()
NFS: use a hash table for delegation lookup
NFS: track active delegations per-server
NFS: move the delegation_watermark module parameter
NFS: cleanup nfs_inode_reclaim_delegation
NFS: cleanup error handling in nfs4_server_common_setup
pNFS/flexfiles: don't attempt pnfs on fatal DS errors
NFS: drop __exit from nfs_exit_keyring
...
|
||
|
Linus Torvalds
|
3781648824 |
Previous releases - regressions:
- netlink: avoid infinite retry looping in netlink_unicast()
Previous releases - always broken:
- packet: fix a race in packet_set_ring() and packet_notifier()
- ipv6: reject malicious packets in ipv6_gso_segment()
- sched: mqprio: fix stack out-of-bounds write in tc entry parsing
- net: drop UFO packets (injected via virtio) in udp_rcv_segment()
- eth: mlx5: correctly set gso_segs when LRO is used, avoid false
positive checksum validation errors
- netpoll: prevent hanging NAPI when netcons gets enabled
- phy: mscc: fix parsing of unicast frames for PTP timestamping
- number of device tree / OF reference leak fixes
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
Previous releases - regressions:
- netlink: avoid infinite retry looping in netlink_unicast()
Previous releases - always broken:
- packet: fix a race in packet_set_ring() and packet_notifier()
- ipv6: reject malicious packets in ipv6_gso_segment()
- sched: mqprio: fix stack out-of-bounds write in tc entry parsing
- net: drop UFO packets (injected via virtio) in udp_rcv_segment()
- eth: mlx5: correctly set gso_segs when LRO is used, avoid false
positive checksum validation errors
- netpoll: prevent hanging NAPI when netcons gets enabled
- phy: mscc: fix parsing of unicast frames for PTP timestamping
- a number of device tree / OF reference leak fixes"
* tag 'net-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (44 commits)
pptp: fix pptp_xmit() error path
net: ti: icssg-prueth: Fix skb handling for XDP_PASS
net: Update threaded state in napi config in netif_set_threaded
selftests: netdevsim: Xfail nexthop test on slow machines
eth: fbnic: Lock the tx_dropped update
eth: fbnic: Fix tx_dropped reporting
eth: fbnic: remove the debugging trick of super high page bias
net: ftgmac100: fix potential NULL pointer access in ftgmac100_phy_disconnect
dt-bindings: net: Replace bouncing Alexandru Tachici emails
dpll: zl3073x: ZL3073X_I2C and ZL3073X_SPI should depend on NET
net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing
Revert "net: mdio_bus: Use devm for getting reset GPIO"
selftests: net: packetdrill: xfail all problems on slow machines
net/packet: fix a race in packet_set_ring() and packet_notifier()
benet: fix BUG when creating VFs
net: airoha: npu: Add missing MODULE_FIRMWARE macros
net: devmem: fix DMA direction on unmapping
ipa: fix compile-testing with qcom-mdt=m
eth: fbnic: unlink NAPIs from queues on error to open
net: Add locking to protect skb->dev access in ip_output
...
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Yu Kuai
|
45fa9f97e6 |
lib/sbitmap: make sbitmap_get_shallow() internal
Because it's only used in sbitmap.c Signed-off-by: Yu Kuai <yukuai3@huawei.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20250807032413.1469456-3-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
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Yu Kuai
|
42e6c6ce03 |
lib/sbitmap: convert shallow_depth from one word to the whole sbitmap
Currently elevators will record internal 'async_depth' to throttle asynchronous requests, and they both calculate shallow_dpeth based on sb->shift, with the respect that sb->shift is the available tags in one word. However, sb->shift is not the availbale tags in the last word, see __map_depth: if (index == sb->map_nr - 1) return sb->depth - (index << sb->shift); For consequence, if the last word is used, more tags can be get than expected, for example, assume nr_requests=256 and there are four words, in the worst case if user set nr_requests=32, then the first word is the last word, and still use bits per word, which is 64, to calculate async_depth is wrong. One the ohter hand, due to cgroup qos, bfq can allow only one request to be allocated, and set shallow_dpeth=1 will still allow the number of words request to be allocated. Fix this problems by using shallow_depth to the whole sbitmap instead of per word, also change kyber, mq-deadline and bfq to follow this, a new helper __map_depth_with_shallow() is introduced to calculate available bits in each word. Signed-off-by: Yu Kuai <yukuai3@huawei.com> Link: https://lore.kernel.org/r/20250807032413.1469456-2-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
Bartosz Golaszewski
|
d9d87d90cc |
treewide: rename GPIO set callbacks back to their original names
The conversion of all GPIO drivers to using the .set_rv() and .set_multiple_rv() callbacks from struct gpio_chip (which - unlike their predecessors - return an integer and allow the controller drivers to indicate failures to users) is now complete and the legacy ones have been removed. Rename the new callbacks back to their original names in one sweeping change. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> |
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Bartosz Golaszewski
|
397a46c9aa |
gpio: remove legacy GPIO line value setter callbacks
With no more users of the legacy GPIO line value setters - .set() and .set_multiple() - we can now remove them from the kernel. Link: https://lore.kernel.org/r/20250725074651.14002-1-brgl@bgdev.pl Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> |
||
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Linus Torvalds
|
6e64f45803 |
Input updates for v6.17-rc0
- updates to several drivers consuming GPIO APIs to use setters returning error codes - an infrastructure allowing to define "overlays" for touchscreens carving out regions implementing buttons and other elements from a bigger sensors and a corresponding update to st1232 driver - an update to AT/PS2 keyboard driver to map F13-F24 by default - Samsung keypad driver got a facelift - evdev input handler will now bind to all devices using EV_SYN event instead of abusing id->driver_info - 2 new sub-drivers implementing 1A (capacitive buttons) and 21 (forcepad button) functions in Synaptics RMI driver - support for polling mode in Goodix touchscreen driver - support for support for FocalTech FT8716 in edt-ft5x06 driver - support for MT6359 in mtk-pmic-keys driver - removal of pcf50633-input driver since platform it was used on is gone - new definitions for game controller "grip" buttons (BTN_GRIP*) and corresponding changes to xpad and hid-steam controller drivers - a new definition for "performance" key -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCaJOUOwAKCRBAj56VGEWX nPJTAQC1hrYgCv1L8hxUukbGH5FFPF2nlk63U78izh/dd7R9fwD+OqrQT7+IEr/5 VBqxiqdy77R1mmYs8RpmjOSTg0MEwwg= =jm8o -----END PGP SIGNATURE----- Merge tag 'input-for-v6.17-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: - updates to several drivers consuming GPIO APIs to use setters returning error codes - an infrastructure allowing to define "overlays" for touchscreens carving out regions implementing buttons and other elements from a bigger sensors and a corresponding update to st1232 driver - an update to AT/PS2 keyboard driver to map F13-F24 by default - Samsung keypad driver got a facelift - evdev input handler will now bind to all devices using EV_SYN event instead of abusing id->driver_info - two new sub-drivers implementing 1A (capacitive buttons) and 21 (forcepad button) functions in Synaptics RMI driver - support for polling mode in Goodix touchscreen driver - support for support for FocalTech FT8716 in edt-ft5x06 driver - support for MT6359 in mtk-pmic-keys driver - removal of pcf50633-input driver since platform it was used on is gone - new definitions for game controller "grip" buttons (BTN_GRIP*) and corresponding changes to xpad and hid-steam controller drivers - a new definition for "performance" key * tag 'input-for-v6.17-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (38 commits) HID: hid-steam: Use new BTN_GRIP* buttons Input: add keycode for performance mode key Input: max77693 - convert to atomic pwm operation Input: st1232 - add touch-overlay handling dt-bindings: input: touchscreen: st1232: add touch-overlay example Input: touch-overlay - add touchscreen overlay handling dt-bindings: touchscreen: add touch-overlay property Input: atkbd - correctly map F13 - F24 Input: xpad - use new BTN_GRIP* buttons Input: Add and document BTN_GRIP* Input: xpad - change buttons the D-Pad gets mapped as to BTN_DPAD_* Documentation: Fix capitalization of XBox -> Xbox Input: synaptics-rmi4 - add support for F1A dt-bindings: input: syna,rmi4: Document F1A function Input: synaptics-rmi4 - add support for Forcepads (F21) Input: mtk-pmic-keys - add support for MT6359 PMIC keys Input: remove special handling of id->driver_info when matching Input: evdev - switch matching to EV_SYN Input: samsung-keypad - use BIT() and GENMASK() where appropriate Input: samsung-keypad - use per-chip parameters ... |
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Linus Torvalds
|
e8214ed59b |
VFIO updates for v6.17-rc1 v2
- Fix imbalance where the no-iommu/cdev device path skips too much
on open, failing to increment a reference, but still decrements
the reference on close. Add bounds checking to prevent such
underflows. (Jacob Pan)
- Fill missing detach_ioas op for pds_vfio_pci, fixing probe failure
when used with IOMMUFD. (Brett Creeley)
- Split SR-IOV VFs to separate dev_set, avoiding unnecessary
serialization between VFs that appear on the same bus.
(Alex Williamson)
- Fix a theoretical integer overflow is the mlx5-vfio-pci variant
driver. (Artem Sadovnikov)
- Implement missing VF token checking support via vfio cdev/IOMMUFD
interface. (Jason Gunthorpe)
- Update QAT vfio-pci variant driver to claim latest VF devices.
(Małgorzata Mielnik)
- Add a cond_resched() call to avoid holding the CPU too long during
DMA mapping operations. (Keith Busch)
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Merge tag 'vfio-v6.17-rc1-v2' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Fix imbalance where the no-iommu/cdev device path skips too much on
open, failing to increment a reference, but still decrements the
reference on close. Add bounds checking to prevent such underflows
(Jacob Pan)
- Fill missing detach_ioas op for pds_vfio_pci, fixing probe failure
when used with IOMMUFD (Brett Creeley)
- Split SR-IOV VFs to separate dev_set, avoiding unnecessary
serialization between VFs that appear on the same bus (Alex
Williamson)
- Fix a theoretical integer overflow is the mlx5-vfio-pci variant
driver (Artem Sadovnikov)
- Implement missing VF token checking support via vfio cdev/IOMMUFD
interface (Jason Gunthorpe)
- Update QAT vfio-pci variant driver to claim latest VF devices
(Małgorzata Mielnik)
- Add a cond_resched() call to avoid holding the CPU too long during
DMA mapping operations (Keith Busch)
* tag 'vfio-v6.17-rc1-v2' of https://github.com/awilliam/linux-vfio:
vfio/type1: conditional rescheduling while pinning
vfio/qat: add support for intel QAT 6xxx virtual functions
vfio/qat: Remove myself from VFIO QAT PCI driver maintainers
vfio/pci: Do vf_token checks for VFIO_DEVICE_BIND_IOMMUFD
vfio/mlx5: fix possible overflow in tracking max message size
vfio/pci: Separate SR-IOV VF dev_set
vfio/pds: Fix missing detach_ioas op
vfio: Prevent open_count decrement to negative
vfio: Fix unbalanced vfio_df_close call in no-iommu mode
|
||
|
Linus Torvalds
|
479058002c |
ata fixes for 6.17-rc1
- Cleanup whitespace in messages in libata-core and the pata_pdc2027x,
pata_macio drivers (Colin).
- Fix ata_to_sense_error() to avoid seeing nonsensical sense data for
rare cases where we fail to get sense data from the drive. The
complementary fix to this is to ensure that we always return the
generic "ABORTED COMMAND" sense data for a failed command for which
we have no status or error fields.
- The recent changes to link power management (LPM) which now prevent
the user from attempting to set an LPM policy through the
link_power_management_policy caused some regressions in test
environments because of the error that is now returned when writing
to that attribute when LPM is not supported. To allow users to not
trip on this, introduce the new link_power_management_supported
attribute to allow simple testing of a port/device LPM support (me).
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Merge tag 'ata-6.17-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Cleanup whitespace in messages in libata-core and the pata_pdc2027x,
pata_macio drivers (Colin)
- Fix ata_to_sense_error() to avoid seeing nonsensical sense data for
rare cases where we fail to get sense data from the drive. The
complementary fix to this is to ensure that we always return the
generic "ABORTED COMMAND" sense data for a failed command for which
we have no status or error fields
- The recent changes to link power management (LPM) which now prevent
the user from attempting to set an LPM policy through the
link_power_management_policy caused some regressions in test
environments because of the error that is now returned when writing
to that attribute when LPM is not supported. To allow users to not
trip on this, introduce the new link_power_management_supported
attribute to allow simple testing of a port/device LPM support (me)
* tag 'ata-6.17-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: pata_pdc2027x: Remove space before newline and abbreviations
ata: pata_macio: Remove space before newline
ata: libata-core: Remove space before newline
ata: libata-sata: Add link_power_management_supported sysfs attribute
ata: libata-scsi: Return aborted command when missing sense and result TF
ata: libata-scsi: Fix ata_to_sense_error() status handling
|
||
|
Linus Torvalds
|
a530a36bb5 |
Kbuild updates for v6.17
- Fix a shortcut key issue in menuconfig
- Fix missing rebuild of kheaders
- Sort the symbol dump generated by gendwarfsyms
- Support zboot extraction in scripts/extract-vmlinux
- Migrate gconfig to GTK 3
- Add TAR variable to allow overriding the default tar command
- Hand over Kbuild maintainership
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Merge tag 'kbuild-v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
"This is the last pull request from me.
I'm grateful to have been able to continue as a maintainer for eight
years. From the next cycle, Nathan and Nicolas will maintain Kbuild.
- Fix a shortcut key issue in menuconfig
- Fix missing rebuild of kheaders
- Sort the symbol dump generated by gendwarfsyms
- Support zboot extraction in scripts/extract-vmlinux
- Migrate gconfig to GTK 3
- Add TAR variable to allow overriding the default tar command
- Hand over Kbuild maintainership"
* tag 'kbuild-v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (92 commits)
MAINTAINERS: hand over Kbuild maintenance
kheaders: make it possible to override TAR
kbuild: userprogs: use correct linker when mixing clang and GNU ld
kconfig: lxdialog: replace strcpy() with strncpy() in inputbox.c
kconfig: lxdialog: replace strcpy with snprintf in print_autowrap
kconfig: gconf: refactor text_insert_help()
kconfig: gconf: remove unneeded variable in text_insert_msg
kconfig: gconf: use hyphens in signals
kconfig: gconf: replace GtkImageMenuItem with GtkMenuItem
kconfig: gconf: Fix Back button behavior
kconfig: gconf: fix single view to display dependent symbols correctly
scripts: add zboot support to extract-vmlinux
gendwarfksyms: order -T symtypes output by name
gendwarfksyms: use preferred form of sizeof for allocation
kconfig: qconf: confine {begin,end}Group to constructor and destructor
kconfig: qconf: fix ConfigList::updateListAllforAll()
kconfig: add a function to dump all menu entries in a tree-like format
kconfig: gconf: show GTK version in About dialog
kconfig: gconf: replace GtkHPaned and GtkVPaned with GtkPaned
kconfig: gconf: replace GdkColor with GdkRGBA
...
|
||
Jason Gunthorpe
|
86624ba3b5 |
vfio/pci: Do vf_token checks for VFIO_DEVICE_BIND_IOMMUFD
This was missed during the initial implementation. The VFIO PCI encodes
the vf_token inside the device name when opening the device from the group
FD, something like:
"0000:04:10.0 vf_token=bd8d9d2b-5a5f-4f5a-a211-f591514ba1f3"
This is used to control access to a VF unless there is co-ordination with
the owner of the PF.
Since we no longer have a device name in the cdev path, pass the token
directly through VFIO_DEVICE_BIND_IOMMUFD using an optional field
indicated by VFIO_DEVICE_BIND_FLAG_TOKEN.
Fixes:
|
||
|
Linus Torvalds
|
da23ea194d |
Significant patch series in this pull request:
- The 4 patch series "mseal cleanups" from Lorenzo Stoakes erforms some
mseal cleaning with no intended functional change.
- The 3 patch series "Optimizations for khugepaged" from David
Hildenbrand improves khugepaged throughput by batching PTE operations
for large folios. This gain is mainly for arm64.
- The 8 patch series "x86: enable EXECMEM_ROX_CACHE for ftrace and
kprobes" from Mike Rapoport provides a bugfix, additional debug code and
cleanups to the execmem code.
- The 7 patch series "mm/shmem, swap: bugfix and improvement of mTHP
swap in" from Kairui Song provides bugfixes, cleanups and performance
improvememnts to the mTHP swapin code.
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Merge tag 'mm-stable-2025-08-03-12-35' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
"Significant patch series in this pull request:
- "mseal cleanups" (Lorenzo Stoakes)
Some mseal cleaning with no intended functional change.
- "Optimizations for khugepaged" (David Hildenbrand)
Improve khugepaged throughput by batching PTE operations for large
folios. This gain is mainly for arm64.
- "x86: enable EXECMEM_ROX_CACHE for ftrace and kprobes" (Mike Rapoport)
A bugfix, additional debug code and cleanups to the execmem code.
- "mm/shmem, swap: bugfix and improvement of mTHP swap in" (Kairui Song)
Bugfixes, cleanups and performance improvememnts to the mTHP swapin
code"
* tag 'mm-stable-2025-08-03-12-35' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (38 commits)
mm: mempool: fix crash in mempool_free() for zero-minimum pools
mm: correct type for vmalloc vm_flags fields
mm/shmem, swap: fix major fault counting
mm/shmem, swap: rework swap entry and index calculation for large swapin
mm/shmem, swap: simplify swapin path and result handling
mm/shmem, swap: never use swap cache and readahead for SWP_SYNCHRONOUS_IO
mm/shmem, swap: tidy up swap entry splitting
mm/shmem, swap: tidy up THP swapin checks
mm/shmem, swap: avoid redundant Xarray lookup during swapin
x86/ftrace: enable EXECMEM_ROX_CACHE for ftrace allocations
x86/kprobes: enable EXECMEM_ROX_CACHE for kprobes allocations
execmem: drop writable parameter from execmem_fill_trapping_insns()
execmem: add fallback for failures in vmalloc(VM_ALLOW_HUGE_VMAP)
execmem: move execmem_force_rw() and execmem_restore_rox() before use
execmem: rework execmem_cache_free()
execmem: introduce execmem_alloc_rw()
execmem: drop unused execmem_update_copy()
mm: fix a UAF when vma->mm is freed after vma->vm_refcnt got dropped
mm/rmap: add anon_vma lifetime debug check
mm: remove mm/io-mapping.c
...
|
||
|
Linus Torvalds
|
0974f486f3 |
f2fs-for-6.17-rc1
In this round, we've mainly updated three parts: 1) folio conversion by Matthew, 2) switch to a new mount API by Hongbo and Eric, and 3) several sysfs entries to tune GCs for ZUFS with finer granularity by Daeho. There are also patches to address bugs and issues in the existing features such as GCs, file pinning, write-while-dio-read, contingous block allocation, and memory access violations. Enhancement: - switch to new mount API and folio conversion - add sysfs nodes to controle F2FS GCs for ZUFS - improve performance on the nat entry cache - drop inode from the donation list when the last file is closed - avoid splitting bio when reading multiple pages Bug fix: - fix to trigger foreground gc during f2fs_map_blocks() in lfs mode - make sure zoned device GC to use FG_GC in shortage of free section - fix to calculate dirty data during has_not_enough_free_secs() - fix to update upper_p in __get_secs_required() correctly - wait for inflight dio completion, excluding pinned files read using dio - don't break allocation when crossing contiguous sections - vm_unmap_ram() may be called from an invalid context - fix to avoid out-of-boundary access in dnode page - fix to avoid panic in f2fs_evict_inode - fix to avoid UAF in f2fs_sync_inode_meta() - fix to use f2fs_is_valid_blkaddr_raw() in do_write_page() - fix UAF of f2fs_inode_info in f2fs_free_dic - fix to avoid invalid wait context issue - fix bio memleak when committing super block - handle nat.blkaddr corruption in f2fs_get_node_info() In addition, there are also clean-ups and minor bug fixes. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAmiRJ+oACgkQQBSofoJI UNInMA//ekJJCf/0UyMYiPA9ag4KBb/VA0VaVJbw6BA/DoT5ZII6+lCIfllyELbk 78+ZppTrKq5OyImwiajcNijEwyDbh/asfUu+uNVsC85fjoboiBgDGVHbUEtSQ20Q 5JVXIL5PhDDVGdVNPh57ijYK/PxhzBPaFNuaGECYrqnWhkQEb//HmN20KRfzcOjZ 19QnOyEh0HED/izMjLhtZaCBQP53kfB7VjhTxMdY86l6IZ22gJHPRrnqBQHRTfyb iHcMJj4WRd7SpvbD/6bSdnUfpxOYPIm3GwQHdG46cHBEH1scnyQxx2OULlSLUbz6 yeiG36jcuQQWOev8ikBjNzfAozD0VvUAulPpfIbAoHc5jBYkA1sP3N7JOiao1H4Z FnPgw/FyIQE+d9NkbyeVW+6f9WfmKlJlIJ4zKoURbZvARYCZKmiPiI9vPWWe18qV nchWniQMJ45TYsABUGmGJwTEe/SFaOkgLpLjAlzCy7ZY9/6LKVUlnxR0E1ZDcjSp 5/E5fXQhds0Nn7F1jQXV3afxkECW+MNOLS/31ggL+ym6Pce3HPJCxBeRU4XaKrvA O0wP7n3g5jhVVWce0PBghF0mwTVVBwohTaUhL7lIIJMxKGkr4A8kH1j8tLLBdD3b hqcesDCtqqOZhogbwHXEgUDSikak4/1R1gDXnK0KhL1gg0Z6wR4= =XIPU -----END PGP SIGNATURE----- Merge tag 'f2fs-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "Three main updates: folio conversion by Matthew, switch to a new mount API by Hongbo and Eric, and several sysfs entries to tune GCs for ZUFS with finer granularity by Daeho. There are also patches to address bugs and issues in the existing features such as GCs, file pinning, write-while-dio-read, contingous block allocation, and memory access violations. Enhancements: - switch to new mount API and folio conversion - add sysfs nodes to controle F2FS GCs for ZUFS - improve performance on the nat entry cache - drop inode from the donation list when the last file is closed - avoid splitting bio when reading multiple pages Bug fixes: - fix to trigger foreground gc during f2fs_map_blocks() in lfs mode - make sure zoned device GC to use FG_GC in shortage of free section - fix to calculate dirty data during has_not_enough_free_secs() - fix to update upper_p in __get_secs_required() correctly - wait for inflight dio completion, excluding pinned files read using dio - don't break allocation when crossing contiguous sections - vm_unmap_ram() may be called from an invalid context - fix to avoid out-of-boundary access in dnode page - fix to avoid panic in f2fs_evict_inode - fix to avoid UAF in f2fs_sync_inode_meta() - fix to use f2fs_is_valid_blkaddr_raw() in do_write_page() - fix UAF of f2fs_inode_info in f2fs_free_dic - fix to avoid invalid wait context issue - fix bio memleak when committing super block - handle nat.blkaddr corruption in f2fs_get_node_info() In addition, there are also clean-ups and minor bug fixes" * tag 'f2fs-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (109 commits) f2fs: drop inode from the donation list when the last file is closed f2fs: add gc_boost_gc_greedy sysfs node f2fs: add gc_boost_gc_multiple sysfs node f2fs: fix to trigger foreground gc during f2fs_map_blocks() in lfs mode f2fs: fix to calculate dirty data during has_not_enough_free_secs() f2fs: fix to update upper_p in __get_secs_required() correctly f2fs: directly add newly allocated pre-dirty nat entry to dirty set list f2fs: avoid redundant clean nat entry move in lru list f2fs: zone: wait for inflight dio completion, excluding pinned files read using dio f2fs: ignore valid ratio when free section count is low f2fs: don't break allocation when crossing contiguous sections f2fs: remove unnecessary tracepoint enabled check f2fs: merge the two conditions to avoid code duplication f2fs: vm_unmap_ram() may be called from an invalid context f2fs: fix to avoid out-of-boundary access in dnode page f2fs: switch to the new mount api f2fs: introduce fs_context_operation structure f2fs: separate the options parsing and options checking f2fs: Add f2fs_fs_context to record the mount options f2fs: Allow sbi to be NULL in f2fs_printk ... |
||
|
Linus Torvalds
|
35a813e010 |
printk changes for 6.17
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||
Petr Mladek
|
731ae3ad96 | Merge branch 'for-6.17-hash_pointers' into for-linus | ||
|
Petr Mladek
|
3bfd34ed36 | Merge branch 'for-6.15-printf-attribute' into for-linus | ||
Dmitry Torokhov
|
a7bee4e7f7 |
Immutable branch between MFD, GPIO, Input and PWM due for the v6.17 merge window
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||
|
Linus Torvalds
|
d2eedaa390 |
RTC for 6.17
Subsystem: - Convert drivers exposing a clock from round_rate() to determine_rate() Drivers: - ds1307: oscillator stop flag handling for ds1341 - pcf85063: add support for RV8063 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEBqsFVZXh8s/0O5JiY6TcMGxwOjIFAmiQISYACgkQY6TcMGxw OjLDUw//ZpiAMJQ85tySlGwciHAgqmJi6XJJO/jyJ7cvcizK+BSN7WF5q0fshcGF PMgPiwNqdvmHlLtD3fdFRV+V7maB9Sxfx6avDOqpQQ2wC8xA3tmSSSN04oNCR6kj aOoPJPVY6YfRHNN7UN5HEdAouwVMj6ds6hoBaKEE35r/tAYiOkC1bQv6UI3CYtz3 2gbuYCTDKqVWndqS2aZmqOADcK4J2SjJmuNBpb5IT6S7TR+/c+SPxe4sKRW8Aaxk hT4AdUPDnm0QdxRjb1ekOp90EZPYqHs5fJLRUavaUUnesxwKMmnbgDHQ9ZE1IgDS bKm8PJ4aUq2SfqU+bf9BSTf+3mXl0FQOMMmay30OiMB6BeU4pctsHmuNgu9TlpYC URAMzFVzJCchIyundTBtl9e+Dz/x7W1J9Q64pHjbgBifmYd+0fYfiR7tvd6FHqUc aqCxcVylzXCarCQD0NEYxzvRwtYy4GXcxfHqefgQ+1sb0CgroX7C/msC3woyCQ0c 9JqznMdjDqVkPihM2Y/7kg303SIYcc2dKXpEvmo9aH/SGBZkv2pEff6Stz58B2Dn Y79XqYNk4YE2xuzq2yXawjQST9EP41n6potcjG06WpXvU7a8GDC8+VZvgaqNFFFc x2IyZv/ISOW6oWH73HtYuUyy+u93JOZ0ERBYm3sAaopT/ExWYcw= =+Y1R -----END PGP SIGNATURE----- Merge tag 'rtc-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "Support for a new RTC in an existing driver and all the drivers exposing clocks using the common clock framework have been converted to determine_rate(). Summary: Subsystem: - Convert drivers exposing a clock from round_rate() to determine_rate() Drivers: - ds1307: oscillator stop flag handling for ds1341 - pcf85063: add support for RV8063" * tag 'rtc-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits) rtc: ds1685: Update Joshua Kinard's email address. rtc: rv3032: convert from round_rate() to determine_rate() rtc: rv3028: convert from round_rate() to determine_rate() rtc: pcf8563: convert from round_rate() to determine_rate() rtc: pcf85063: convert from round_rate() to determine_rate() rtc: nct3018y: convert from round_rate() to determine_rate() rtc: max31335: convert from round_rate() to determine_rate() rtc: m41t80: convert from round_rate() to determine_rate() rtc: hym8563: convert from round_rate() to determine_rate() rtc: ds1307: convert from round_rate() to determine_rate() rtc: rv3028: fix incorrect maximum clock rate handling rtc: pcf8563: fix incorrect maximum clock rate handling rtc: pcf85063: fix incorrect maximum clock rate handling rtc: nct3018y: fix incorrect maximum clock rate handling rtc: hym8563: fix incorrect maximum clock rate handling rtc: ds1307: fix incorrect maximum clock rate handling rtc: pcf85063: scope pcf85063_config structures rtc: Optimize calculations in rtc_time64_to_tm() dt-bindings: rtc: amlogic,a4-rtc: Add compatible string for C3 rtc: ds1307: handle oscillator stop flag (OSF) for ds1341 ... |
||
|
Linus Torvalds
|
e991acf1bc |
Significant patch series in this pull request:
- The 2 patch series "squashfs: Remove page->mapping references" from
Matthew Wilcox gets us closer to being able to remove page->mapping.
- The 5 patch series "relayfs: misc changes" from Jason Xing does some
maintenance and minor feature addition work in relayfs.
- The 5 patch series "kdump: crashkernel reservation from CMA" from Jiri
Bohac switches us from static preallocation of the kdump crashkernel's
working memory over to dynamic allocation. So the difficulty of
a-priori estimation of the second kernel's needs is removed and the
first kernel obtains extra memory.
- The 5 patch series "generalize panic_print's dump function to be used
by other kernel parts" from Feng Tang implements some consolidation and
rationalizatio of the various ways in which a faiing kernel splats
information at the operator.
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Merge tag 'mm-nonmm-stable-2025-08-03-12-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Significant patch series in this pull request:
- "squashfs: Remove page->mapping references" (Matthew Wilcox) gets
us closer to being able to remove page->mapping
- "relayfs: misc changes" (Jason Xing) does some maintenance and
minor feature addition work in relayfs
- "kdump: crashkernel reservation from CMA" (Jiri Bohac) switches
us from static preallocation of the kdump crashkernel's working
memory over to dynamic allocation. So the difficulty of a-priori
estimation of the second kernel's needs is removed and the first
kernel obtains extra memory
- "generalize panic_print's dump function to be used by other
kernel parts" (Feng Tang) implements some consolidation and
rationalization of the various ways in which a failing kernel
splats information at the operator
* tag 'mm-nonmm-stable-2025-08-03-12-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (80 commits)
tools/getdelays: add backward compatibility for taskstats version
kho: add test for kexec handover
delaytop: enhance error logging and add PSI feature description
samples: Kconfig: fix spelling mistake "instancess" -> "instances"
fat: fix too many log in fat_chain_add()
scripts/spelling.txt: add notifer||notifier to spelling.txt
xen/xenbus: fix typo "notifer"
net: mvneta: fix typo "notifer"
drm/xe: fix typo "notifer"
cxl: mce: fix typo "notifer"
KVM: x86: fix typo "notifer"
MAINTAINERS: add maintainers for delaytop
ucount: use atomic_long_try_cmpxchg() in atomic_long_inc_below()
ucount: fix atomic_long_inc_below() argument type
kexec: enable CMA based contiguous allocation
stackdepot: make max number of pools boot-time configurable
lib/xxhash: remove unused functions
init/Kconfig: restore CONFIG_BROKEN help text
lib/raid6: update recov_rvv.c zero page usage
docs: update docs after introducing delaytop
...
|
||
|
Linus Torvalds
|
3c4a063b1f |
tracing cleanups for v6.17:
- Remove unneeded goto out statements
Over time, the logic was restructured but left a "goto out" where the
out label simply did a "return ret;". Instead of jumping to this out
label, simply return immediately and remove the out label.
- Add guard(ring_buffer_nest)
Some calls to the tracing ring buffer can happen when the ring buffer is
already being written to at the same context (for example, a
trace_printk() in between a ring_buffer_lock_reserve() and a
ring_buffer_unlock_commit()).
In order to not trigger the recursion detection, these functions use
ring_buffer_nest_start() and ring_buffer_nest_end(). Create a guard() for
these functions so that their use cases can be simplified and not need to
use goto for the release.
- Clean up the tracing code with guard() and __free() logic
There were several locations that were prime candidates for using guard()
and __free() helpers. Switch them over to use them.
- Fix output of function argument traces for unsigned int values
The function tracer with "func-args" option set will record up to 6 argument
registers and then use BTF to format them for human consumption when the
trace file is read. There's several arguments that are "unsigned long" and
even "unsigned int" that are either and address or a mask. It is easier to
understand if they were printed using hexadecimal instead of decimal.
The old method just printed all non-pointer values as signed integers,
which made it even worse for unsigned integers.
For instance, instead of:
__local_bh_disable_ip(ip=-2127311112, cnt=256) <-handle_softirqs
Show:
__local_bh_disable_ip(ip=0xffffffff8133cef8, cnt=0x100) <-handle_softirqs
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Merge tag 'trace-v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull more tracing updates from Steven Rostedt:
- Remove unneeded goto out statements
Over time, the logic was restructured but left a "goto out" where the
out label simply did a "return ret;". Instead of jumping to this out
label, simply return immediately and remove the out label.
- Add guard(ring_buffer_nest)
Some calls to the tracing ring buffer can happen when the ring buffer
is already being written to at the same context (for example, a
trace_printk() in between a ring_buffer_lock_reserve() and a
ring_buffer_unlock_commit()).
In order to not trigger the recursion detection, these functions use
ring_buffer_nest_start() and ring_buffer_nest_end(). Create a guard()
for these functions so that their use cases can be simplified and not
need to use goto for the release.
- Clean up the tracing code with guard() and __free() logic
There were several locations that were prime candidates for using
guard() and __free() helpers. Switch them over to use them.
- Fix output of function argument traces for unsigned int values
The function tracer with "func-args" option set will record up to 6
argument registers and then use BTF to format them for human
consumption when the trace file is read. There are several arguments
that are "unsigned long" and even "unsigned int" that are either and
address or a mask. It is easier to understand if they were printed
using hexadecimal instead of decimal. The old method just printed all
non-pointer values as signed integers, which made it even worse for
unsigned integers.
For instance, instead of:
__local_bh_disable_ip(ip=-2127311112, cnt=256) <-handle_softirqs
show:
__local_bh_disable_ip(ip=0xffffffff8133cef8, cnt=0x100) <-handle_softirqs"
* tag 'trace-v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Have unsigned int function args displayed as hexadecimal
ring-buffer: Convert ring_buffer_write() to use guard(preempt_notrace)
tracing: Use __free(kfree) in trace.c to remove gotos
tracing: Add guard() around locks and mutexes in trace.c
tracing: Add guard(ring_buffer_nest)
tracing: Remove unneeded goto out logic
|
||
|
Linus Torvalds
|
8877fcb70f |
This is a small set of changes for modules, primarily to extend module users
to use the module data structures in combination with the already no-op stub module functions, even when support for modules is disabled in the kernel configuration. This change follows the kernel's coding style for conditional compilation and allows kunit code to drop all CONFIG_MODULES ifdefs, which is also part of the changes. This should allow others part of the kernel to do the same cleanup. Note that this had a conflict with sysctl changes [1] but should be fixed now as I rebased on top. The remaining changes include a fix for module name length handling which could potentially lead to the removal of an incorrect module, and various cleanups. The module name fix and related cleanup has been in linux-next since Thursday (July 31) while the rest of the changes for a bit more than 3 weeks. Note that this currently has conflicts in next with kbuild's tree [2]. Link: https://lore.kernel.org/all/20250714175916.774e6d79@canb.auug.org.au/ [1] Link: https://lore.kernel.org/all/20250801132941.6815d93d@canb.auug.org.au/ [2] -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE73Ua4R8Pc+G5xjxTQJ6jxB8ZUfsFAmiPQgkACgkQQJ6jxB8Z UfuPTA//XrRguJFBhQh6cUWqVleTNQJuhjiPsOSO5S52aVET4wsrnRNeM2eM5oqw 0+6ELvhIJINQ1LjpOP8D67d8P5Ds1/qM1pbQIkQsoKiEj6E7Q4dXH5N0uyf/BzO3 HaosLG9cpqcomlSorYEiYoPjqy9EChQzsi+YAYWAB+fW6bvU/AdUHTRH88m3ppBJ Y22BTTPOKKyj5/QgfY+kwH8TTnrzCzY8aoOqW7uimLI5h4c9dFQ2PigRJnoMfDG1 11w5VshOTzZJvNFrUk5GVSirwlxdJDbW6dKfG0DD5+eNWK5dfIEc+/EcuhaGoPvO Euwv8VQubdxHTAG6kzHI0MtxAVQUM1gyz8zHiu18eW++GTtnTFs6m8E6H9AC176G nDkUh3qSxJN2HHgxtS9VUExEEZpYqtWeB9Zts8K3oSWvTaQenHWpVHPADkxzS4JU Jvkjq8SiKo+RqHxaOKfyf1RfOtYe5tjMCLrP7zX39d1+cwGxuc6mip/omY9HFDgn op132fYdt24JSHoioJDzRz9mTfvj3nICEmgX4D4WDQx5lP27CUcLugPnBNHPp0fu 5hL+ajy8M8nq4zm/42Y+F7VS74TIA6mSnJKs9dMCknUWueD6HrDEU9xHi1YMpUMZ cBUSpU+P94dCIScwEzkp926vDnHyxCHLbpF1Jsq5qNNdj7AelHk= =4bGB -----END PGP SIGNATURE----- Merge tag 'modules-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux Pull module updates from Daniel Gomez: "This is a small set of changes for modules, primarily to extend module users to use the module data structures in combination with the already no-op stub module functions, even when support for modules is disabled in the kernel configuration. This change follows the kernel's coding style for conditional compilation and allows kunit code to drop all CONFIG_MODULES ifdefs, which is also part of the changes. This should allow others part of the kernel to do the same cleanup. The remaining changes include a fix for module name length handling which could potentially lead to the removal of an incorrect module, and various cleanups" * tag 'modules-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: module: Rename MAX_PARAM_PREFIX_LEN to __MODULE_NAME_LEN tracing: Replace MAX_PARAM_PREFIX_LEN with MODULE_NAME_LEN module: Restore the moduleparam prefix length check module: Remove unnecessary +1 from last_unloaded_module::name size module: Prevent silent truncation of module name in delete_module(2) kunit: test: Drop CONFIG_MODULE ifdeffery module: make structure definitions always visible module: move 'struct module_use' to internal.h |
||
|
Linus Torvalds
|
546b0ad6a8 |
I3C for 6.17
New driver: - Renesas I3C controller Subsystem: - use adapter timeout value for I2C transfers - don't fail if GETHDRCAP is unsupported - replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP Drivers: - svc: Fix npcm845 FIFO_EMPTY quirk -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEBqsFVZXh8s/0O5JiY6TcMGxwOjIFAmiOnMkACgkQY6TcMGxw OjLNIBAAi5Snj3ZjHxO+MdLE27vsJq+gW7Pk0jxrG0bkPNOrbRtIjmuZNT+hPxZ+ bqN3Vi/l5+iy8ZuZETYOabW7LG5nDKUF4M4RmewwtkkfXchRfsTQeCnVL8wDXdCp GYYBT0mPXU4+9F0vXVlezjTPuT9V/gry0SnsjK+NfegjmYZ/bFY+RExsYZQpeHut W6TPq5M+ytLnHqsx/bxfez4voxkir6vR+ydPO6reBGaxW8KUQmOki1mNTW4J4crs WZg+egFmnWFZjU8BUzjCkvgnvLqJws5oKg+4AlY5q4zPHMSuDAgRtjHprISEGcQc 6LQZwZBx2YocgiuQo09jjX6q4FbRjaAbdZLAvtPOFUqX0SpeFZA1HJ3tmPEdmJ6S JwGVNjh2kda/SHqY0LlAojEApX9Z8z0C0dexR51YxWvnX8duwww0Rhhi/yvwWrzP rVIDgRXv9UAKk1sZG7/mRbpCJHtEwKlBOnU3DxQKjFnKVVazdnP6zOZjptxRkXBX tVxTB/HASjlA8EoncBh+vhq7Xm81+Py7VR02yY0dhdeLdgfKTVfdL8tVPf8cQ/bO 6bo4vn1BgO4jyb4GW0ikB7tVVo4azYQcCNHvDB7zJ9Magv17FVW1bqnRVEvaprpx 0Ty10paXD58vPgJNe03hiU91e2L05wpoggYuX3MQqe7UpkJKVkI= =cX/f -----END PGP SIGNATURE----- Merge tag 'i3c/for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux Pull i3c updates from Alexandre Belloni: "New driver: - Renesas I3C controller Subsystem: - use adapter timeout value for I2C transfers - don't fail if GETHDRCAP is unsupported - replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP Drivers: - svc: Fix npcm845 FIFO_EMPTY quirk" * tag 'i3c/for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (25 commits) i3c: add missing include to internal header i3c: dw: Remove redundant pm_runtime_mark_last_busy() calls i3c: master: svc: Remove redundant pm_runtime_mark_last_busy() calls i3c: master: svc: Fix npcm845 FIFO_EMPTY quirk i3c: master: Add basic driver for the Renesas I3C controller dt-bindings: i3c: Add Renesas I3C controller i3c: Add more parameters for controllers to the header i3c: Standardize defines for specification parameters i3c: fix module_i3c_i2c_driver() with I3C=n i3c: master: cdns: Simplify handling clocks in probe() i3c: Fix i3c_device_do_priv_xfers() kernel-doc indentation i3c: master: dw: Use i3c_writel_fifo() and i3c_readl_fifo() i3c: master: cdns: Use i3c_writel_fifo() and i3c_readl_fifo() i3c: master: Add inline i3c_readl_fifo() and i3c_writel_fifo() i3c: prefix hexadecimal entries in sysfs i3c: master: cdns: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP i3c: dw: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP i3c: master: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP i3c: don't fail if GETHDRCAP is unsupported i3c: add patchwork entry to MAINTAINERS ... |
||
Joshua Kinard
|
bb5b0b4317 |
rtc: ds1685: Update Joshua Kinard's email address.
I am switching my address to a personal domain, so need to update the driver's files and the entry in MAINTAINERS. Signed-off-by: Joshua Kinard <kumba@gentoo.org> Link: https://lore.kernel.org/r/20250721170051.32407-1-kumba@gentoo.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Linus Torvalds
|
186f3edfdd |
Pin control changes for v6.17
Core changes:
- Open code PINCTRL_FUNCTION_DESC() instead of defining
a complex macro only used in one place.
- Add pinmux_generic_add_pinfunction() helper and
use this in a few drivers.
New drivers:
- Amlogic S7, S7D and S6 pin control support.
- Eswin EIC7700 pin control support.
- Qualcomm PMIV0104, PM7550 and Milos pin control
support.
Because of unhelpful numbering schemes, the Qualcomm
driver now needs to start to rely on SoC codenames.
- STM32 HDP pin control support.
- Mediatek MT8189 pin control support.
Improvements:
- Switch remaining pin control drivers over to the
new GPIO set callback that provides a return value.
- Support RSVD (reserved) pins in the STM32 driver.
- Move many fixed assignments over to pinctrl_desc
definitions.
- Handle multiple TLMM regions in the Qualcomm driver.
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Merge tag 'pinctrl-v6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Nothing stands out, apart from maybe the interesting Eswin EIC7700, a
RISC-V SoC I've never seen before.
Core changes:
- Open code PINCTRL_FUNCTION_DESC() instead of defining a complex
macro only used in one place
- Add pinmux_generic_add_pinfunction() helper and use this in a few
drivers
New drivers:
- Amlogic S7, S7D and S6 pin control support
- Eswin EIC7700 pin control support
- Qualcomm PMIV0104, PM7550 and Milos pin control support
Because of unhelpful numbering schemes, the Qualcomm driver now
needs to start to rely on SoC codenames
- STM32 HDP pin control support
- Mediatek MT8189 pin control support
Improvements:
- Switch remaining pin control drivers over to the new GPIO set
callback that provides a return value
- Support RSVD (reserved) pins in the STM32 driver
- Move many fixed assignments over to pinctrl_desc definitions
- Handle multiple TLMM regions in the Qualcomm driver"
* tag 'pinctrl-v6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (105 commits)
pinctrl: mediatek: Add pinctrl driver for mt8189
dt-bindings: pinctrl: mediatek: Add support for mt8189
pinctrl: aspeed-g6: Add PCIe RC PERST pin group
pinctrl: ingenic: use pinmux_generic_add_pinfunction()
pinctrl: keembay: use pinmux_generic_add_pinfunction()
pinctrl: mediatek: moore: use pinmux_generic_add_pinfunction()
pinctrl: airoha: use pinmux_generic_add_pinfunction()
pinctrl: equilibrium: use pinmux_generic_add_pinfunction()
pinctrl: provide pinmux_generic_add_pinfunction()
pinctrl: pinmux: open-code PINCTRL_FUNCTION_DESC()
pinctrl: ma35: use new GPIO line value setter callbacks
MAINTAINERS: add Clément Le Goffic as STM32 HDP maintainer
pinctrl: stm32: Introduce HDP driver
dt-bindings: pinctrl: stm32: Introduce HDP
pinctrl: qcom: Add Milos pinctrl driver
dt-bindings: pinctrl: document the Milos Top Level Mode Multiplexer
pinctrl: qcom: spmi: Add PM7550
dt-bindings: pinctrl: qcom,pmic-gpio: Add PM7550 support
pinctrl: qcom: spmi: Add PMIV0104
dt-bindings: pinctrl: qcom,pmic-gpio: Add PMIV0104 support
...
|
||
Mike Rapoport (Microsoft)
|
ab674b6871 |
execmem: drop writable parameter from execmem_fill_trapping_insns()
After update of execmem_cache_free() that made memory writable before updating it, there is no need to update read only memory, so the writable parameter to execmem_fill_trapping_insns() is not needed. Drop it. Link: https://lkml.kernel.org/r/20250713071730.4117334-7-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Daniel Gomez <da.gomez@samsung.com> Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: Petr Pavlu <petr.pavlu@suse.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Mike Rapoport (Microsoft)
|
838955f64a |
execmem: introduce execmem_alloc_rw()
Some callers of execmem_alloc() require the memory to be temporarily writable even when it is allocated from ROX cache. These callers use execemem_make_temp_rw() right after the call to execmem_alloc(). Wrap this sequence in execmem_alloc_rw() API. Link: https://lkml.kernel.org/r/20250713071730.4117334-3-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Reviewed-by: Daniel Gomez <da.gomez@samsung.com> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Mike Rapoport (Microsoft)
|
fcd90ad31e |
execmem: drop unused execmem_update_copy()
Patch series "x86: enable EXECMEM_ROX_CACHE for ftrace and kprobes", v3. These patches enable use of EXECMEM_ROX_CACHE for ftrace and kprobes allocations on x86. They also include some ground work in execmem. Since the execmem model for caching large ROX pages changed from the initial assumption that the memory that is allocated from ROX cache is always ROX to the current state where memory can be temporarily made RW and then restored to ROX, we can stop using text poking to update it. This also saves the hassle of trying lock text_mutex in execmem_cache_free() when kprobes already hold that mutex. This patch (of 8): The execmem_update_copy() that used text poking was required when memory allocated from ROX cache was always read-only. Since now its permissions can be switched to read-write there is no need in a function that updates memory with text poking. Remove it. Link: https://lkml.kernel.org/r/20250713071730.4117334-1-rppt@kernel.org Link: https://lkml.kernel.org/r/20250713071730.4117334-2-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Daniel Gomez <da.gomez@samsung.com> Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: Petr Pavlu <petr.pavlu@suse.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Suren Baghdasaryan
|
9bbffee67f |
mm: fix a UAF when vma->mm is freed after vma->vm_refcnt got dropped
By inducing delays in the right places, Jann Horn created a reproducer for
a hard to hit UAF issue that became possible after VMAs were allowed to be
recycled by adding SLAB_TYPESAFE_BY_RCU to their cache.
Race description is borrowed from Jann's discovery report:
lock_vma_under_rcu() looks up a VMA locklessly with mas_walk() under
rcu_read_lock(). At that point, the VMA may be concurrently freed, and it
can be recycled by another process. vma_start_read() then increments the
vma->vm_refcnt (if it is in an acceptable range), and if this succeeds,
vma_start_read() can return a recycled VMA.
In this scenario where the VMA has been recycled, lock_vma_under_rcu()
will then detect the mismatching ->vm_mm pointer and drop the VMA through
vma_end_read(), which calls vma_refcount_put(). vma_refcount_put() drops
the refcount and then calls rcuwait_wake_up() using a copy of vma->vm_mm.
This is wrong: It implicitly assumes that the caller is keeping the VMA's
mm alive, but in this scenario the caller has no relation to the VMA's mm,
so the rcuwait_wake_up() can cause UAF.
The diagram depicting the race:
T1 T2 T3
== == ==
lock_vma_under_rcu
mas_walk
<VMA gets removed from mm>
mmap
<the same VMA is reallocated>
vma_start_read
__refcount_inc_not_zero_limited_acquire
munmap
__vma_enter_locked
refcount_add_not_zero
vma_end_read
vma_refcount_put
__refcount_dec_and_test
rcuwait_wait_event
<finish operation>
rcuwait_wake_up [UAF]
Note that rcuwait_wait_event() in T3 does not block because refcount was
already dropped by T1. At this point T3 can exit and free the mm causing
UAF in T1.
To avoid this we move vma->vm_mm verification into vma_start_read() and
grab vma->vm_mm to stabilize it before vma_refcount_put() operation.
[surenb@google.com: v3]
Link: https://lkml.kernel.org/r/20250729145709.2731370-1-surenb@google.com
Link: https://lkml.kernel.org/r/20250728175355.2282375-1-surenb@google.com
Fixes:
|
||
Jann Horn
|
a222439e1e |
mm/rmap: add anon_vma lifetime debug check
If an anon folio is mapped into userspace, its anon_vma must be alive, otherwise rmap walks can hit UAF. There have been syzkaller reports a few months ago[1][2] of UAF in rmap walks that seems to indicate that there can be pages with elevated mapcount whose anon_vma has already been freed, but I think we never figured out what the cause is; and syzkaller only hit these UAFs when memory pressure randomly caused reclaim to rmap-walk the affected pages, so it of course didn't manage to create a reproducer. Add a VM_WARN_ON_FOLIO() when we add/remove mappings of anonymous folios to hopefully catch such issues more reliably. [1] https://lore.kernel.org/r/67abaeaf.050a0220.110943.0041.GAE@google.com [2] https://lore.kernel.org/r/67a76f33.050a0220.3d72c.0028.GAE@google.com Link: https://lkml.kernel.org/r/20250725-anonvma-uaf-debug-v2-1-bc3c7e5ba5b1@google.com Signed-off-by: Jann Horn <jannh@google.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Harry Yoo <harry.yoo@oracle.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Rik van Riel <riel@surriel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Lorenzo Stoakes
|
9a4f90e246 |
mm: remove mm/io-mapping.c
This is dead code, which was used from commit |
||
David Hildenbrand
|
3dfde97800 |
mm: add get_and_clear_ptes() and clear_ptes()
Patch series "Optimizations for khugepaged", v4. If the underlying folio mapped by the ptes is large, we can process those ptes in a batch using folio_pte_batch(). For arm64 specifically, this results in a 16x reduction in the number of ptep_get() calls, since on a contig block, ptep_get() on arm64 will iterate through all 16 entries to collect a/d bits. Next, ptep_clear() will cause a TLBI for every contig block in the range via contpte_try_unfold(). Instead, use clear_ptes() to only do the TLBI at the first and last contig block of the range. For split folios, there will be no pte batching; the batch size returned by folio_pte_batch() will be 1. For pagetable split folios, the ptes will still point to the same large folio; for arm64, this results in the optimization described above, and for other arches, a minor improvement is expected due to a reduction in the number of function calls and batching atomic operations. This patch (of 3): Let's add variants to be used where "full" does not apply -- which will be the majority of cases in the future. "full" really only applies if we are about to tear down a full MM. Use get_and_clear_ptes() in existing code, clear_ptes() users will be added next. Link: https://lkml.kernel.org/r/20250724052301.23844-2-dev.jain@arm.com Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Dev Jain <dev.jain@arm.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Barry Song <baohua@kernel.org> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Lorenzo Stoakes
|
f225b34f1e |
mm/mseal: always define VM_SEALED
Patch series "mseal cleanups", v4. Perform a number of cleanups to the mseal logic. Firstly, VM_SEALED is treated differently from every other VMA flag, it really doesn't make sense to do this, so we start by making this consistent with everything else. Next we place the madvise logic where it belongs - in mm/madvise.c. It really makes no sense to abstract this elsewhere. In doing so, we go to great lengths to explain very clearly the previously very confusing logic as to what sealed mappings are impacted here. In doing so, we retain existing logic regarding treatment of madvise() discard operations for a sealed, read-only MAP_PRIVATE file-backed mapping. This is something we likely need to revisit. We then abstract out and explain the 'are there are any gaps in this range in the mm?' check being performed as a prerequisite to mseal being performed. Finally, we simplify the actual mseal logic which is really quite straightforward. No functional change is intended. This patch (of 4): There is no reason to treat VM_SEALED in a special way, in each other case in which a VMA flag is unavailable due to configuration, we simply assign that flag to VM_NONE, so make VM_SEALED consistent with all other VMA flags in this respect. Additionally, use the next available bit for VM_SEALED, 42, rather than arbitrarily putting it at 63 and update the declaration to match all other VMA flags. No functional change intended. Link: https://lkml.kernel.org/r/cover.1753431105.git.lorenzo.stoakes@oracle.com Link: https://lkml.kernel.org/r/aeb398a77029b6e7377cd944328bc9bbc3c90537.1753431105.git.lorenzo.stoakes@oracle.com Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Reviewed-by: Pedro Falcato <pfalcato@suse.de> Acked-by: David Hildenbrand <david@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Jeff Xu <jeffxu@chromium.org> Cc: Kees Cook <kees@kernel.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Joanne Koong
|
d171b10b2d |
mm/page-flags: remove folio_start_writeback_keepwrite()
Commit
|
||
Alexander Graf
|
07d2490297 |
kexec: enable CMA based contiguous allocation
When booting a new kernel with kexec_file, the kernel picks a target
location that the kernel should live at, then allocates random pages,
checks whether any of those patches magically happens to coincide with a
target address range and if so, uses them for that range.
For every page allocated this way, it then creates a page list that the
relocation code - code that executes while all CPUs are off and we are
just about to jump into the new kernel - copies to their final memory
location. We can not put them there before, because chances are pretty
good that at least some page in the target range is already in use by the
currently running Linux environment. Copying is happening from a single
CPU at RAM rate, which takes around 4-50 ms per 100 MiB.
All of this is inefficient and error prone.
To successfully kexec, we need to quiesce all devices of the outgoing
kernel so they don't scribble over the new kernel's memory. We have seen
cases where that does not happen properly (*cough* GIC *cough*) and hence
the new kernel was corrupted. This started a month long journey to root
cause failing kexecs to eventually see memory corruption, because the new
kernel was corrupted severely enough that it could not emit output to tell
us about the fact that it was corrupted. By allocating memory for the
next kernel from a memory range that is guaranteed scribbling free, we can
boot the next kernel up to a point where it is at least able to detect
corruption and maybe even stop it before it becomes severe. This
increases the chance for successful kexecs.
Since kexec got introduced, Linux has gained the CMA framework which can
perform physically contiguous memory mappings, while keeping that memory
available for movable memory when it is not needed for contiguous
allocations. The default CMA allocator is for DMA allocations.
This patch adds logic to the kexec file loader to attempt to place the
target payload at a location allocated from CMA. If successful, it uses
that memory range directly instead of creating copy instructions during
the hot phase. To ensure that there is a safety net in case anything goes
wrong with the CMA allocation, it also adds a flag for user space to force
disable CMA allocations.
Using CMA allocations has two advantages:
1) Faster by 4-50 ms per 100 MiB. There is no more need to copy in the
hot phase.
2) More robust. Even if by accident some page is still in use for DMA,
the new kernel image will be safe from that access because it resides
in a memory region that is considered allocated in the old kernel and
has a chance to reinitialize that component.
Link: https://lkml.kernel.org/r/20250610085327.51817-1-graf@amazon.com
Signed-off-by: Alexander Graf <graf@amazon.com>
Acked-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Zhongkun He <hezhongkun.hzk@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
||
Dr. David Alan Gilbert
|
6c6d8f8ba7 |
lib/xxhash: remove unused functions
xxh32_digest() and xxh32_update() were added in 2017 in the original xxhash commit, but have remained unused. Remove them. Link: https://lkml.kernel.org/r/20250716133245.243363-1-linux@treblig.org Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Dave Gilbert <linux@treblig.org> Cc: Nick Terrell <terrelln@fb.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
7061835997 |
firewire updates for v6.17
This update replaces the remaining tasklet usage in the FireWire subsystem with workqueue for asynchronous packet transmission. With this change, tasklets are now fully eliminated from the subsystem. Asynchronous packet transmission is used for serial bus topology management as well as for the operation of the SBP-2 protocol driver (firewire-sbp2). To ensure reliability during low-memory conditions, the associated workqueue is created with the WQ_MEM_RECLAIM flag, allowing it to participate in memory reclaim paths. Other attributes are aligned with those used for isochronous packet handling, which was migrated to workqueues in v6.12. The workqueues are sleepable and support preemptible work items, making them more suitable for real-time workloads that benefit from timely task preemption at the system level. There remains an issue where 'schedule()' may be called within an RCU read-side critical section, due to a direct replacement of 'tasklet_disable_in_atomic()' with 'disable_work_sync()'. A proposed fix for this has been posted[1], and is currently under review and testing. It is expected to be sent upstream later. [1] https://lore.kernel.org/lkml/20250728015125.17825-1-o-takashi@sakamocchi.jp/ -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQE66IEYNDXNBPeGKSsLtaWM8LwEwUCaI2aWAAKCRCsLtaWM8Lw EwReAQDcgEHcH/EaPNPKdpInkzh0fH7kRcHZF4f2USsaHkKbSAEA6XvPWrwMAVC7 Ap2w5x/BxoAL+NXz3yJHb3yoxcbKKAI= =NSJY -----END PGP SIGNATURE----- Merge tag 'firewire-updates-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire updates from Takashi Sakamoto: "This update replaces the remaining tasklet usage in the FireWire subsystem with workqueue for asynchronous packet transmission. With this change, tasklets are now fully eliminated from the subsystem. Asynchronous packet transmission is used for serial bus topology management as well as for the operation of the SBP-2 protocol driver (firewire-sbp2). To ensure reliability during low-memory conditions, the associated workqueue is created with the WQ_MEM_RECLAIM flag, allowing it to participate in memory reclaim paths. Other attributes are aligned with those used for isochronous packet handling, which was migrated to workqueues in v6.12. The workqueues are sleepable and support preemptible work items, making them more suitable for real-time workloads that benefit from timely task preemption at the system level. There remains an issue where 'schedule()' may be called within an RCU read-side critical section, due to a direct replacement of 'tasklet_disable_in_atomic()' with 'disable_work_sync()'. A proposed fix for this has been posted[1], and is currently under review and testing. It is expected to be sent upstream later" Link: https://lore.kernel.org/lkml/20250728015125.17825-1-o-takashi@sakamocchi.jp/ [1] * tag 'firewire-updates-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: ohci: reduce the size of common context structure by extracting members into AT structure firewire: core: minor code refactoring to localize table of gap count firewire: ohci: use workqueue to handle events of AT request/response contexts firewire: ohci: use workqueue to handle events of AR request/response contexts firewire: core: allocate workqueue for AR/AT request/response contexts firewire: core: use from_work() macro to expand parent structure of work_struct firewire: ohci: use from_work() macro to expand parent structure of work_struct firewire: ohci: correct code comments about bus_reset tasklet |
||
|
Linus Torvalds
|
a6923c06a3 |
bpf-fixes
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||
|
Linus Torvalds
|
d41e5839d8 |
cxl for v6.17
- Add documentation template for CXL conventions to document CXL platform quirks
- Replace mutex_lock_io() with mutex_lock() for mailbox
- Add location limit for fake CFMWS range for cxl_test, ARM platform enabling
- CXL documentation typo and clarity fixes
- Use correct format specifier for function cxl_set_ecs_threshold()
- Make cxl_bus_type constant
- Introduce new helper cxl_resource_contains_addr() to check address availability
- Fix wrong DPA checking for PPR operation
- Remove core/acpi.c and CXL core dependency on ACPI
- Introduce ACQUIRE() and ACQUIRE_ERR() for conditional locks
- Add CXL updates utilizing ACQUIRE() macro to remove gotos and improve
readability
- Add return for the dummy version of cxl_decoder_detach() without CONFIG_CXL_REGION
- CXL events updates for spec r3.2
- Fix return of __cxl_decoder_detach() error path
- CXL debugfs documentation fix
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Merge tag 'cxl-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL updates from Dave Jiang:
"The most significant changes in this pull request is the series that
introduces ACQUIRE() and ACQUIRE_ERR() macros to replace conditional
locking and ease the pain points of scoped_cond_guard().
The series also includes follow on changes that refactor the CXL
sub-system to utilize the new macros.
Detail summary:
- Add documentation template for CXL conventions to document CXL
platform quirks
- Replace mutex_lock_io() with mutex_lock() for mailbox
- Add location limit for fake CFMWS range for cxl_test, ARM platform
enabling
- CXL documentation typo and clarity fixes
- Use correct format specifier for function cxl_set_ecs_threshold()
- Make cxl_bus_type constant
- Introduce new helper cxl_resource_contains_addr() to check address
availability
- Fix wrong DPA checking for PPR operation
- Remove core/acpi.c and CXL core dependency on ACPI
- Introduce ACQUIRE() and ACQUIRE_ERR() for conditional locks
- Add CXL updates utilizing ACQUIRE() macro to remove gotos and
improve readability
- Add return for the dummy version of cxl_decoder_detach() without
CONFIG_CXL_REGION
- CXL events updates for spec r3.2
- Fix return of __cxl_decoder_detach() error path
- CXL debugfs documentation fix"
* tag 'cxl-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (28 commits)
Documentation/ABI/testing/debugfs-cxl: Add 'cxl' to clear_poison path
cxl/region: Fix an ERR_PTR() vs NULL bug
cxl/events: Trace Memory Sparing Event Record
cxl/events: Add extra validity checks for CVME count in DRAM Event Record
cxl/events: Add extra validity checks for corrected memory error count in General Media Event Record
cxl/events: Update Common Event Record to CXL spec rev 3.2
cxl: Fix -Werror=return-type in cxl_decoder_detach()
cleanup: Fix documentation build error for ACQUIRE updates
cxl: Convert to ACQUIRE() for conditional rwsem locking
cxl/region: Consolidate cxl_decoder_kill_region() and cxl_region_detach()
cxl/region: Move ready-to-probe state check to a helper
cxl/region: Split commit_store() into __commit() and queue_reset() helpers
cxl/decoder: Drop pointless locking
cxl/decoder: Move decoder register programming to a helper
cxl/mbox: Convert poison list mutex to ACQUIRE()
cleanup: Introduce ACQUIRE() and ACQUIRE_ERR() for conditional locks
cxl: Remove core/acpi.c and cxl core dependency on ACPI
cxl/core: Using cxl_resource_contains_addr() to check address availability
cxl/edac: Fix wrong dpa checking for PPR operation
cxl/core: Introduce a new helper cxl_resource_contains_addr()
...
|
||
Eric Dumazet
|
d45cf1e7d7 |
ipv6: reject malicious packets in ipv6_gso_segment()
syzbot was able to craft a packet with very long IPv6 extension headers
leading to an overflow of skb->transport_header.
This 16bit field has a limited range.
Add skb_reset_transport_header_careful() helper and use it
from ipv6_gso_segment()
WARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 skb_reset_transport_header include/linux/skbuff.h:3032 [inline]
WARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 ipv6_gso_segment+0x15e2/0x21e0 net/ipv6/ip6_offload.c:151
Modules linked in:
CPU: 0 UID: 0 PID: 5871 Comm: syz-executor211 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:skb_reset_transport_header include/linux/skbuff.h:3032 [inline]
RIP: 0010:ipv6_gso_segment+0x15e2/0x21e0 net/ipv6/ip6_offload.c:151
Call Trace:
<TASK>
skb_mac_gso_segment+0x31c/0x640 net/core/gso.c:53
nsh_gso_segment+0x54a/0xe10 net/nsh/nsh.c:110
skb_mac_gso_segment+0x31c/0x640 net/core/gso.c:53
__skb_gso_segment+0x342/0x510 net/core/gso.c:124
skb_gso_segment include/net/gso.h:83 [inline]
validate_xmit_skb+0x857/0x11b0 net/core/dev.c:3950
validate_xmit_skb_list+0x84/0x120 net/core/dev.c:4000
sch_direct_xmit+0xd3/0x4b0 net/sched/sch_generic.c:329
__dev_xmit_skb net/core/dev.c:4102 [inline]
__dev_queue_xmit+0x17b6/0x3a70 net/core/dev.c:4679
Fixes:
|
||
|
Linus Torvalds
|
821c9e515d |
virtio, vhost: features, fixes
vhost can now support legacy threading if enabled in Kconfig vsock memory allocation strategies for large buffers have been improved, reducing pressure on kmalloc vhost now supports the in-order feature guest bits missed the merge window fixes, cleanups all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCgAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmiMvQEPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpgr8IAKUrIjqqTYXLkbCWn6tK8T+LxZ6LkMkyHA1v AJ+y5fKDeLsT5QpusD1XRjXJVqXBwQEsTN0pNVuhWHlcCpUeOFEHuJaf/QMncbc3 deFlUfMa3ihniUxBuyhojlWURsf94uTC906lCFXlIsfSKH2CW6/SjKvqR0SH5PhN 5WaqRYiSFFwDlyG2Ul4e5temP/er2KuZfYyvcYCU8VdSEp6bjvqCHd9ztFIVuByp fFWsrHce6IqR8ixOOzavEjzfd8WAN3LGzXntj5KEaX3fZ6HxCZCMv+rNVqvJmLps cSrTgIUo60nCiZb8klUCS1YTEEvmdmJg3UmmddIpIhcsCYJSbOU= =2dxm -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: - vhost can now support legacy threading if enabled in Kconfig - vsock memory allocation strategies for large buffers have been improved, reducing pressure on kmalloc - vhost now supports the in-order feature. guest bits missed the merge window. - fixes, cleanups all over the place * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (30 commits) vsock/virtio: Allocate nonlinear SKBs for handling large transmit buffers vsock/virtio: Rename virtio_vsock_skb_rx_put() vhost/vsock: Allocate nonlinear SKBs for handling large receive buffers vsock/virtio: Move SKB allocation lower-bound check to callers vsock/virtio: Rename virtio_vsock_alloc_skb() vsock/virtio: Resize receive buffers so that each SKB fits in a 4K page vsock/virtio: Move length check to callers of virtio_vsock_skb_rx_put() vsock/virtio: Validate length in packet header before skb_put() vhost/vsock: Avoid allocating arbitrarily-sized SKBs vhost_net: basic in_order support vhost: basic in order support vhost: fail early when __vhost_add_used() fails vhost: Reintroduce kthread API and add mode selection vdpa: Fix IDR memory leak in VDUSE module exit vdpa/mlx5: Fix release of uninitialized resources on error path vhost-scsi: Fix check for inline_sg_cnt exceeding preallocated limit virtio: virtio_dma_buf: fix missing parameter documentation vhost: Fix typos vhost: vringh: Remove unused functions vhost: vringh: Remove unused iotlb functions ... |
||
|
Linus Torvalds
|
0bd0a41a51 |
pci-v6.17-changes
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Merge tag 'pci-v6.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Allow built-in drivers, not just modular drivers, to use async
initial probing (Lukas Wunner)
- Support Immediate Readiness even on devices with no PM Capability
(Sean Christopherson)
- Consolidate definition of PCIE_RESET_CONFIG_WAIT_MS (100ms), the
required delay between a reset and sending config requests to a
device (Niklas Cassel)
- Add pci_is_display() to check for "Display" base class and use it
in ALSA hda, vfio, vga_switcheroo, vt-d (Mario Limonciello)
- Allow 'isolated PCI functions' (multi-function devices without a
function 0) for LoongArch, similar to s390 and jailhouse (Huacai
Chen)
Power control:
- Add ability to enable optional slot clock for cases where the PCIe
host controller and the slot are supplied by different clocks
(Marek Vasut)
PCIe native device hotplug:
- Fix runtime PM ref imbalance on Hot-Plug Capable ports caused by
misinterpreting a config read failure after a device has been
removed (Lukas Wunner)
- Avoid creating a useless PCIe port service device for pciehp if the
slot is handled by the ACPI hotplug driver (Lukas Wunner)
- Ignore ACPI hotplug slots when calculating depth of pciehp hotplug
ports (Lukas Wunner)
Virtualization:
- Save VF resizable BAR state and restore it after reset (Michał
Winiarski)
- Allow IOV resources (VF BARs) to be resized (Michał Winiarski)
- Add pci_iov_vf_bar_set_size() so drivers can control VF BAR size
(Michał Winiarski)
Endpoint framework:
- Add RC-to-EP doorbell support using platform MSI controller,
including a test case (Frank Li)
- Allow BAR assignment via configfs so platforms have flexibility in
determining BAR usage (Jerome Brunet)
Native PCIe controller drivers:
- Convert amazon,al-alpine-v[23]-pcie, apm,xgene-pcie,
axis,artpec6-pcie, marvell,armada-3700-pcie, st,spear1340-pcie to
DT schema format (Rob Herring)
- Use dev_fwnode() instead of of_fwnode_handle() to remove OF
dependency in altera (fixes an unused variable), designware-host,
mediatek, mediatek-gen3, mobiveil, plda, xilinx, xilinx-dma,
xilinx-nwl (Jiri Slaby, Arnd Bergmann)
- Convert aardvark, altera, brcmstb, designware-host, iproc,
mediatek, mediatek-gen3, mobiveil, plda, rcar-host, vmd, xilinx,
xilinx-dma, xilinx-nwl from using pci_msi_create_irq_domain() to
using msi_create_parent_irq_domain() instead; this makes the
interrupt controller per-PCI device, allows dynamic allocation of
vectors after initialization, and allows support of IMS (Nam Cao)
APM X-Gene PCIe controller driver:
- Rewrite MSI handling to MSI CPU affinity, drop useless CPU hotplug
bits, use device-managed memory allocations, and clean things up
(Marc Zyngier)
- Probe xgene-msi as a standard platform driver rather than a
subsys_initcall (Marc Zyngier)
Broadcom STB PCIe controller driver:
- Add optional DT 'num-lanes' property and if present, use it to
override the Maximum Link Width advertised in Link Capabilities
(Jim Quinlan)
Cadence PCIe controller driver:
- Use PCIe Message routing types from the PCI core rather than
defining private ones (Hans Zhang)
Freescale i.MX6 PCIe controller driver:
- Add IMX8MQ_EP third 64-bit BAR in epc_features (Richard Zhu)
- Add IMX8MM_EP and IMX8MP_EP fixed 256-byte BAR 4 in epc_features
(Richard Zhu)
- Configure LUT for MSI/IOMMU in Endpoint mode so Root Complex can
trigger doorbel on Endpoint (Frank Li)
- Remove apps_reset (LTSSM_EN) from
imx_pcie_{assert,deassert}_core_reset(), which fixes a hotplug
regression on i.MX8MM (Richard Zhu)
- Delay Endpoint link start until configfs 'start' written (Richard
Zhu)
Intel VMD host bridge driver:
- Add Intel Panther Lake (PTL)-H/P/U Vendor ID (George D Sworo)
Qualcomm PCIe controller driver:
- Add DT binding and driver support for SA8255p, which supports ECAM
for Configuration Space access (Mayank Rana)
- Update DT binding and driver to describe PHYs and per-Root Port
resets in a Root Port stanza and deprecate describing them in the
host bridge; this makes it possible to support multiple Root Ports
in the future (Krishna Chaitanya Chundru)
- Add Qualcomm QCS615 to SM8150 DT binding (Ziyue Zhang)
- Add Qualcomm QCS8300 to SA8775p DT binding (Ziyue Zhang)
- Drop TBU and ref clocks from Qualcomm SM8150 and SC8180x DT
bindings (Konrad Dybcio)
- Document 'link_down' reset in Qualcomm SA8775P DT binding (Ziyue
Zhang)
- Add required PCIE_RESET_CONFIG_WAIT_MS delay after Link up IRQ
(Niklas Cassel)
Rockchip PCIe controller driver:
- Drop unused PCIe Message routing and code definitions (Hans Zhang)
- Remove several unused header includes (Hans Zhang)
- Use standard PCIe config register definitions instead of
rockchip-specific redefinitions (Geraldo Nascimento)
- Set Target Link Speed to 5.0 GT/s before retraining so we have a
chance to train at a higher speed (Geraldo Nascimento)
Rockchip DesignWare PCIe controller driver:
- Prevent race between link training and register update via DBI by
inhibiting link training after hot reset and link down (Wilfred
Mallawa)
- Add required PCIE_RESET_CONFIG_WAIT_MS delay after Link up IRQ
(Niklas Cassel)
Sophgo PCIe controller driver:
- Add DT binding and driver for Sophgo SG2044 PCIe controller driver
in Root Complex mode (Inochi Amaoto)
Synopsys DesignWare PCIe controller driver:
- Add required PCIE_RESET_CONFIG_WAIT_MS after waiting for Link up on
Ports that support > 5.0 GT/s. Slower Ports still rely on the
not-quite-correct PCIE_LINK_WAIT_SLEEP_MS 90ms default delay while
waiting for the Link (Niklas Cassel)"
* tag 'pci-v6.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (116 commits)
dt-bindings: PCI: qcom,pcie-sa8775p: Document 'link_down' reset
dt-bindings: PCI: Remove 83xx-512x-pci.txt
dt-bindings: PCI: Convert amazon,al-alpine-v[23]-pcie to DT schema
dt-bindings: PCI: Convert marvell,armada-3700-pcie to DT schema
dt-bindings: PCI: Convert apm,xgene-pcie to DT schema
dt-bindings: PCI: Convert axis,artpec6-pcie to DT schema
dt-bindings: PCI: Convert st,spear1340-pcie to DT schema
PCI: Move is_pciehp check out of pciehp_is_native()
PCI: pciehp: Use is_pciehp instead of is_hotplug_bridge
PCI/portdrv: Use is_pciehp instead of is_hotplug_bridge
PCI/ACPI: Fix runtime PM ref imbalance on Hot-Plug Capable ports
selftests: pci_endpoint: Add doorbell test case
misc: pci_endpoint_test: Add doorbell test case
PCI: endpoint: pci-epf-test: Add doorbell test support
PCI: endpoint: Add pci_epf_align_inbound_addr() helper for inbound address alignment
PCI: endpoint: pci-ep-msi: Add checks for MSI parent and mutability
PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller
PCI: dwc: Add Sophgo SG2044 PCIe controller driver in Root Complex mode
PCI: vmd: Switch to msi_create_parent_irq_domain()
PCI: vmd: Convert to lock guards
...
|
||
Steven Rostedt
|
788fa4b47c |
tracing: Add guard(ring_buffer_nest)
Some calls to the tracing ring buffer can happen when the ring buffer is already being written to by the same context (for example, a trace_printk() in between a ring_buffer_lock_reserve() and a ring_buffer_unlock_commit()). In order to not trigger the recursion detection, these functions use ring_buffer_nest_start() and ring_buffer_nest_end(). Create a guard() for these functions so that their use cases can be simplified and not need to use goto for the release. Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Andrew Morton <akpm@linux-foundation.org> Link: https://lore.kernel.org/20250801203857.710501021@kernel.org Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
||
|
Linus Torvalds
|
877d94c74e |
linux-watchdog 6.17-rc1 tag
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAmiMtmUACgkQ+iyteGJfRsqMPACfTSyOYSTEb7I3C1zG6GL6908D aI8AoIJq4TaJOjcqs7smi2OcGPg9Spki =mrG8 -----END PGP SIGNATURE----- Merge tag 'linux-watchdog-6.17-rc1' of git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: - sbsa: Adjust keepalive timeout to avoid MediaTek WS0 race condition - Various improvements and fixes * tag 'linux-watchdog-6.17-rc1' of git://www.linux-watchdog.org/linux-watchdog: watchdog: sbsa: Adjust keepalive timeout to avoid MediaTek WS0 race condition watchdog: dw_wdt: Fix default timeout watchdog: Don't use "proxy" headers watchdog: it87_wdt: Don't use "proxy" headers watchdog: renesas_wdt: Convert to DEFINE_SIMPLE_DEV_PM_OPS() watchdog: iTCO_wdt: Report error if timeout configuration fails watchdog: rti_wdt: Use of_reserved_mem_region_to_resource() for "memory-region" dt-bindings: watchdog: nxp,pnx4008-wdt: allow clocks property watchdog: ziirave_wdt: check record length in ziirave_firm_verify() |
||
|
Linus Torvalds
|
8582976acc |
phy-for-6.17
- New Support
- Qualcomm Milos Synopsys eUSB2 PHY, SM8750 QMP phy support,
M31 eUSB2 PHY driver
- Samsung Exynos990 usbdrd phy, Exynos7870 MIPI phy support
- Renesas RZ/V2N usb2-phy support
- Updates
- Bulk Yaml binding conversion By Rob H (too many to be listed)
- cadence: Sierra PCIe, USB PHY multilink configuration support
- Qualcomm refactoring of UFS PHY reset and UFS driver support for phy
calibrate API
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Merge tag 'phy-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"New Support:
- Qualcomm Milos Synopsys eUSB2 PHY, SM8750 QMP phy support, M31
eUSB2 PHY driver
- Samsung Exynos990 usbdrd phy, Exynos7870 MIPI phy support
- Renesas RZ/V2N usb2-phy support
Updates:
- Bulk Yaml binding conversion By Rob H (too many to be listed)
- cadence: Sierra PCIe, USB PHY multilink configuration support
- Qualcomm refactoring of UFS PHY reset and UFS driver support for
phy calibrate API"
* tag 'phy-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (74 commits)
phy: qcom: phy-qcom-m31: Update IPQ5332 M31 USB phy initialization sequence
dt-bindings: phy: Convert brcm,sr-usb-combo-phy to DT schema
dt-bindings: phy: Convert ti,da830-usb-phy to DT schema
dt-bindings: phy: marvell,mmp2-usb-phy: Drop status from the example
dt-bindings: phy: mixel, mipi-dsi-phy: Allow assigned-clock* properties
phy: exynos-mipi-video: correct cam0 sysreg property name for exynos7870
phy: qcom: phy-qcom-snps-eusb2: Update init sequence per HPG 1.0.2
phy: qcom: phy-qcom-snps-eusb2: Add missing write from init sequence
dt-bindings: phy: qcom,snps-eusb2: document the Milos Synopsys eUSB2 PHY
dt-bindings: usb: qcom,snps-dwc3: Add Milos compatible
phy: rockchip-pcie: Properly disable TEST_WRITE strobe signal
phy: rockchip-pcie: Enable all four lanes if required
dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Update pcie phy bindings for QCS615
phy: qcom: qmp-combo: Add missing PLL (VCO) configuration on SM8750
phy: qcom: m31-eusb2: drop registration printk
phy: qcom: m31-eusb2: fix match data santity check
phy: qcom: qmp-pcie: Update PHY settings for QCS8300 & SA8775P
phy: qualcomm: phy-qcom-eusb2-repeater: Don't zero-out registers
dt-bindings: phy: qcom,snps-eusb2-repeater: Remove default tuning values
phy: mediatek: tphy: Cleanup and document slew calibration
...
|
||
|
Linus Torvalds
|
6fac1139d9 |
soundwire updates for 6.17
Couple of small core changes and driver updates:
- Core: handling of nesting irqs to outside the lock, stream parameters
handing on port prep failures.
- AMD driver support for ACP 7.2 platforms and improved handing of slave
alerts and resume sequences
- Qualcomm updating driver debug spew
- Intel BPT message length limitations, rt721 codec as wake capable etc
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Merge tag 'soundwire-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
"A couple of small core changes and driver updates:
- Core: handling of nesting irqs to outside the lock, stream
parameters handing on port prep failures.
- AMD driver support for ACP 7.2 platforms and improved handing of
slave alerts and resume sequences
- Qualcomm updating driver debug spew
- Intel BPT message length limitations, rt721 codec as wake capable
etc"
* tag 'soundwire-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: amd: Add support for acp7.2 platform
soundwire: stream: restore params when prepare ports fail
soundwire: debugfs: move debug statement outside of error handling
soundwire: amd: add check for status update registers
soundwire: intel_auxdevice: add rt721 codec to wake_capable_list
soundwire: Correct some property names
soundwire: update Intel BPT message length limitation
soundwire: intel_ace2.x: Use str_read_write() helper
soundwire: amd: cancel pending slave status handling workqueue during remove sequence
soundwire: amd: serialize amd manager resume sequence during pm_prepare
soundwire: qcom: demote probe registration printk
ASoC: cs42l43: Remove unnecessary work functions
soundwire: Move handle_nested_irq outside of sdw_dev_lock
MAINTAINERS: Remove Sanyog Kale as reviewer on SoundWire
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Linus Torvalds
|
d6f38c1239 |
tracing changes for 6.17
- Deprecate auto-mounting tracefs to /sys/kernel/debug/tracing
When tracefs was first introduced back in 2014, the directory
/sys/kernel/tracing was added and is the designated location to mount
tracefs. To keep backward compatibility, tracefs was auto-mounted in
/sys/kernel/debug/tracing as well.
All distros now mount tracefs on /sys/kernel/tracing. Having it seen in two
different locations has lead to various issues and inconsistencies.
The VFS folks have to also maintain debugfs_create_automount() for this
single user.
It's been over 10 years. Tooling and scripts should start replacing the
debugfs location with the tracefs one. The reason tracefs was created in the
first place was to allow access to the tracing facilities without the need
to configure debugfs into the kernel. Using tracefs should now be more
robust.
A new config is created: CONFIG_TRACEFS_AUTOMOUNT_DEPRECATED
which is default y, so that the kernel is still built with the automount.
This config allows those that want to remove the automount from debugfs to
do so.
When tracefs is accessed from /sys/kernel/debug/tracing, the following
printk is triggerd:
pr_warn("NOTICE: Automounting of tracing to debugfs is deprecated and will be removed in 2030\n");
This gives users another 5 years to fix their scripts.
- Use queue_rcu_work() instead of call_rcu() for freeing event filters
The number of filters to be free can be many depending on the number of
events within an event system. Freeing them from softirq context can
potentially cause undesired latency. Use the RCU workqueue to free them
instead.
- Remove pointless memory barriers in latency code
Memory barriers were added to some of the latency code a long time ago with
the idea of "making them visible", but that's not what memory barriers are
for. They are to synchronize access between different variables. There was
no synchronization here making them pointless.
- Remove "__attribute__()" from the type field of event format
When LLVM is used to compile the kernel with CONFIG_DEBUG_INFO_BTF=y and
PAHOLE_HAS_BTF_TAG=y, some of the format fields get expanded with the
following:
field:const char * filename; offset:24; size:8; signed:0;
Turns into:
field:const char __attribute__((btf_type_tag("user"))) * filename; offset:24; size:8; signed:0;
This confuses parsers. Add code to strip these tags from the strings.
- Add eprobe config option CONFIG_EPROBE_EVENTS
Eprobes were added back in 5.15 but were only enabled when another probe was
enabled (kprobe, fprobe, uprobe, etc). The eprobes had no config option
of their own. Add one as they should be a separate entity.
It's default y to keep with the old kernels but still has dependencies on
TRACING and HAVE_REGS_AND_STACK_ACCESS_API.
- Add eprobe documentation
When eprobes were added back in 5.15 no documentation was added to describe
them. This needs to be rectified.
- Replace open coded cpumask_next_wrap() in move_to_next_cpu()
- Have preemptirq_delay_run() use off-stack CPU mask
- Remove obsolete comment about pelt_cfs event
DECLARE_TRACE() appends "_tp" to trace events now, but the comment above
pelt_cfs still mentioned appending it manually.
- Remove EVENT_FILE_FL_SOFT_MODE flag
The SOFT_MODE flag was required when the soft enabling and disabling of
trace events was first introduced. But there was a bug with this approach
as it only worked for a single instance. When multiple users required soft
disabling and disabling the code was changed to have a ref count. The
SOFT_MODE flag is now set iff the ref count is non zero. This is redundant
and just reading the ref count is good enough.
- Fix typo in comment
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Merge tag 'trace-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Deprecate auto-mounting tracefs to /sys/kernel/debug/tracing
When tracefs was first introduced back in 2014, the directory
/sys/kernel/tracing was added and is the designated location to mount
tracefs. To keep backward compatibility, tracefs was auto-mounted in
/sys/kernel/debug/tracing as well.
All distros now mount tracefs on /sys/kernel/tracing. Having it seen
in two different locations has lead to various issues and
inconsistencies.
The VFS folks have to also maintain debugfs_create_automount() for
this single user.
It's been over 10 years. Tooling and scripts should start replacing
the debugfs location with the tracefs one. The reason tracefs was
created in the first place was to allow access to the tracing
facilities without the need to configure debugfs into the kernel.
Using tracefs should now be more robust.
A new config is created: CONFIG_TRACEFS_AUTOMOUNT_DEPRECATED which is
default y, so that the kernel is still built with the automount. This
config allows those that want to remove the automount from debugfs to
do so.
When tracefs is accessed from /sys/kernel/debug/tracing, the
following printk is triggerd:
pr_warn("NOTICE: Automounting of tracing to debugfs is deprecated and will be removed in 2030\n");
This gives users another 5 years to fix their scripts.
- Use queue_rcu_work() instead of call_rcu() for freeing event filters
The number of filters to be free can be many depending on the number
of events within an event system. Freeing them from softirq context
can potentially cause undesired latency. Use the RCU workqueue to
free them instead.
- Remove pointless memory barriers in latency code
Memory barriers were added to some of the latency code a long time
ago with the idea of "making them visible", but that's not what
memory barriers are for. They are to synchronize access between
different variables. There was no synchronization here making them
pointless.
- Remove "__attribute__()" from the type field of event format
When LLVM is used to compile the kernel with CONFIG_DEBUG_INFO_BTF=y
and PAHOLE_HAS_BTF_TAG=y, some of the format fields get expanded with
the following:
field:const char * filename; offset:24; size:8; signed:0;
Turns into:
field:const char __attribute__((btf_type_tag("user"))) * filename; offset:24; size:8; signed:0;
This confuses parsers. Add code to strip these tags from the strings.
- Add eprobe config option CONFIG_EPROBE_EVENTS
Eprobes were added back in 5.15 but were only enabled when another
probe was enabled (kprobe, fprobe, uprobe, etc). The eprobes had no
config option of their own. Add one as they should be a separate
entity.
It's default y to keep with the old kernels but still has
dependencies on TRACING and HAVE_REGS_AND_STACK_ACCESS_API.
- Add eprobe documentation
When eprobes were added back in 5.15 no documentation was added to
describe them. This needs to be rectified.
- Replace open coded cpumask_next_wrap() in move_to_next_cpu()
- Have preemptirq_delay_run() use off-stack CPU mask
- Remove obsolete comment about pelt_cfs event
DECLARE_TRACE() appends "_tp" to trace events now, but the comment
above pelt_cfs still mentioned appending it manually.
- Remove EVENT_FILE_FL_SOFT_MODE flag
The SOFT_MODE flag was required when the soft enabling and disabling
of trace events was first introduced. But there was a bug with this
approach as it only worked for a single instance. When multiple users
required soft disabling and disabling the code was changed to have a
ref count. The SOFT_MODE flag is now set iff the ref count is non
zero. This is redundant and just reading the ref count is good
enough.
- Fix typo in comment
* tag 'trace-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
Documentation: tracing: Add documentation about eprobes
tracing: Have eprobes have their own config option
tracing: Remove "__attribute__()" from the type field of event format
tracing: Deprecate auto-mounting tracefs in debugfs
tracing: Fix comment in trace_module_remove_events()
tracing: Remove EVENT_FILE_FL_SOFT_MODE flag
tracing: Remove pointless memory barriers
tracing/sched: Remove obsolete comment on suffixes
kernel: trace: preemptirq_delay_test: use offstack cpu mask
tracing: Use queue_rcu_work() to free filters
tracing: Replace opencoded cpumask_next_wrap() in move_to_next_cpu()
|
||
|
Linus Torvalds
|
c6439bfaab |
Deferred unwind changes for 6.17
This is the core infrastructure for the deferred unwinder that is required for sframes[1]. Several other patch series is based on this work although those patch series are not dependent on each other. In order to simplify the development, having this core series upstream will allow the other series to be worked on in parallel. The other series are: - The two patches to implement x86: https://lore.kernel.org/linux-trace-kernel/20250717004958.260781923@kernel.org/ https://lore.kernel.org/linux-trace-kernel/20250717004958.432327787@kernel.org/ - The s390 work: https://lore.kernel.org/linux-trace-kernel/20250710163522.3195293-1-jremus@linux.ibm.com/ - The perf work: https://lore.kernel.org/linux-trace-kernel/20250718164119.089692174@kernel.org/ - The ftrace work: https://lore.kernel.org/linux-trace-kernel/20250424192612.505622711@goodmis.org/ - The sframe work: https://lore.kernel.org/linux-trace-kernel/20250717012848.927473176@kernel.org/ And more is on the way. The core infrastructure adds the following in kernel APIs: - int unwind_user_faultable(struct unwind_stacktrace *trace); Performs a user space stack trace that may fault user pages in. - int unwind_deferred_init(struct unwind_work *work, unwind_callback_t func); Allows a tracer to register with the unwind deferred infrastructure. - int unwind_deferred_request(struct unwind_work *work, u64 *cookie); Used when a tracer request a deferred trace. Can be called from interrupt or NMI context. - void unwind_deferred_cancel(struct unwind_work *work); Called by a tracer to unregister from the deferred unwind infrastructure. - void unwind_deferred_task_exit(struct task_struct *task); Called by task exit code to flush any pending unwind requests. - void unwind_task_init(struct task_struct *task); Called by do_fork() to initialize the task struct for the deferred unwinder. - void unwind_task_free(struct task_struct *task); Called by do_exit() to free up any resources used by the deferred unwinder. None of the above is actually compiled unless an architecture enables it, which none currently do. [1] https://sourceware.org/binutils/wiki/sframe -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCaIt9IhQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qqqzAQCMT/6qmSq7O746JF0MuGC6fTZnSbAc XGz4JigEqLTRewEA2kaJmD7PBsSRzFdiK2gvyKn95l+PZyWtE9MjTsqeSAc= =Lsbm -----END PGP SIGNATURE----- Merge tag 'trace-deferred-unwind-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull initial deferred unwind infrastructure from Steven Rostedt: "This is the core infrastructure for the deferred unwinder that is required for sframes[1]. Several other patch series are based on this work although those patch series are not dependent on each other. In order to simplify the development, having this core series upstream will allow the other series to be worked on in parallel. The other series are: - The two patches to implement x86 support [2] [3] - The s390 work [4] - The perf work [5] - The ftrace work [6] - The sframe work [7] And more is on the way. The core infrastructure adds the following in kernel APIs: - int unwind_user_faultable(struct unwind_stacktrace *trace); Performs a user space stack trace that may fault user pages in. - int unwind_deferred_init(struct unwind_work *work, unwind_callback_t func); Allows a tracer to register with the unwind deferred infrastructure. - int unwind_deferred_request(struct unwind_work *work, u64 *cookie); Used when a tracer request a deferred trace. Can be called from interrupt or NMI context. - void unwind_deferred_cancel(struct unwind_work *work); Called by a tracer to unregister from the deferred unwind infrastructure. - void unwind_deferred_task_exit(struct task_struct *task); Called by task exit code to flush any pending unwind requests. - void unwind_task_init(struct task_struct *task); Called by do_fork() to initialize the task struct for the deferred unwinder. - void unwind_task_free(struct task_struct *task); Called by do_exit() to free up any resources used by the deferred unwinder. None of the above is actually compiled unless an architecture enables it, which none currently do" Link: https://sourceware.org/binutils/wiki/sframe [1] Link: https://lore.kernel.org/linux-trace-kernel/20250717004958.260781923@kernel.org/ [2] Link: https://lore.kernel.org/linux-trace-kernel/20250717004958.432327787@kernel.org/ [3] Link: https://lore.kernel.org/linux-trace-kernel/20250710163522.3195293-1-jremus@linux.ibm.com/ [4] Link: https://lore.kernel.org/linux-trace-kernel/20250718164119.089692174@kernel.org/ [5] Link: https://lore.kernel.org/linux-trace-kernel/20250424192612.505622711@goodmis.org/ [6] Link: https://lore.kernel.org/linux-trace-kernel/20250717012848.927473176@kernel.org/ [7] * tag 'trace-deferred-unwind-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: unwind: Finish up unwind when a task exits unwind deferred: Use SRCU unwind_deferred_task_work() unwind: Add USED bit to only have one conditional on way back to user space unwind deferred: Add unwind_completed mask to stop spurious callbacks unwind deferred: Use bitmask to determine which callbacks to call unwind_user/deferred: Make unwind deferral requests NMI-safe unwind_user/deferred: Add deferred unwinding interface unwind_user/deferred: Add unwind cache unwind_user/deferred: Add unwind_user_faultable() unwind_user: Add user space unwinding API with frame pointer support |