When the buffer is too small to contain the input string, these helpers
return the length of the buffer, not the length of the original string.
This tries to make the docs totally clear about that, since "the length
of the [copied ]string" could also refer to the length of the input.
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: KP Singh <kpsingh@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210112123422.2011234-1-jackmanb@google.com
Add V4L2 controls for controlling CCS lens shading correction as well as
conveying its capabilities.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add two new controls for alternative analogue gain some CCS compliant
camera sensors support.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add V4L2 controls for analogue gain constants required to control
analogue gain. The values are device specific and thus need to be obtained
from the driver.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add a control base for CCS controls, and reserve 128 controls. Luckily
these numbers are cheap.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add and document a media entity type for Image Signal Processor devices.
Surprisingly we didn't have one, so add one now. More or less all ISP
drivers should use this type instead of what they currently are using (or
not using anything).
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The comment says the layout and options use 8 bits, and the shift
uses 8 bits. However the mask is 0xf, ie. 0b00001111 (4 bits).
This could be surprising when introducing new layouts or options
that take more than 4 bits, as this would silently drop the high
bits.
Make the masks consistent with the comment and the shift.
Found when writing a drm_info patch [1].
[1]: https://github.com/ascent12/drm_info/pull/67
Signed-off-by: Simon Ser <contact@emersion.fr>
Fixes: d6528ec883 ("drm/fourcc: Add modifier definitions for describing Amlogic Video Framebuffer Compression")
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210110125103.15447-1-contact@emersion.fr
List of things fixed:
- Two of the socket options were idented with spaces instead of tabs.
- Trailing whitespace in some lines.
- Improper spacing around parenthesis caught by checkpatch.pl.
- Mix of space and tabs in tcp_word_hdr union.
Signed-off-by: Danilo Carvalho <doak@google.com>
Link: https://lore.kernel.org/r/20210108222104.2079472-1-doak@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Missing CRC32 selections (Arnd)
- Fix for a merge window regression with bdev inode init (Christoph)
- bcache fixes
- rnbd fixes
- NVMe pull request from Christoph:
- fix a race in the nvme-tcp send code (Sagi Grimberg)
- fix a list corruption in an nvme-rdma error path (Israel Rukshin)
- avoid a possible double fetch in nvme-pci (Lalithambika Krishnakumar)
- add the susystem NQN quirk for a Samsung driver (Gopal Tiwari)
- fix two compiler warnings in nvme-fcloop (James Smart)
- don't call sleeping functions from irq context in nvme-fc (James Smart)
- remove an unused argument (Max Gurtovoy)
- remove unused exports (Minwoo Im)
- Use-after-free fix for partition iteration (Ming)
- Missing blk-mq debugfs flag annotation (John)
- Bdev freeze regression fix (Satya)
- blk-iocost NULL pointer deref fix (Tejun)
* tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block: (26 commits)
bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET
bcache: introduce BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE for large bucket
bcache: check unsupported feature sets for bcache register
bcache: fix typo from SUUP to SUPP in features.h
bcache: set pdev_set_uuid before scond loop iteration
blk-mq-debugfs: Add decode for BLK_MQ_F_TAG_HCTX_SHARED
block/rnbd-clt: avoid module unload race with close confirmation
block/rnbd: Adding name to the Contributors List
block/rnbd-clt: Fix sg table use after free
block/rnbd-srv: Fix use after free in rnbd_srv_sess_dev_force_close
block/rnbd: Select SG_POOL for RNBD_CLIENT
block: pre-initialize struct block_device in bdev_alloc_inode
fs: Fix freeze_bdev()/thaw_bdev() accounting of bd_fsfreeze_sb
nvme: remove the unused status argument from nvme_trace_bio_complete
nvmet-rdma: Fix list_del corruption on queue establishment failure
nvme: unexport functions with no external caller
nvme: avoid possible double fetch in handling CQE
nvme-tcp: Fix possible race of io_work and direct send
nvme-pci: mark Samsung PM1725a as IGNORE_DEV_SUBNQN
nvme-fcloop: Fix sscanf type and list_first_entry_or_null warnings
...
Here are some small char and misc driver fixes for 5.11-rc3.
the majority here are fixes for the habanalabs drivers, but also in here
are:
- crypto driver fix
- pvpanic driver fix
- updated font file
- interconnect driver fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc driver fixes for 5.11-rc3.
The majority here are fixes for the habanalabs drivers, but also in
here are:
- crypto driver fix
- pvpanic driver fix
- updated font file
- interconnect driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (26 commits)
Fonts: font_ter16x32: Update font with new upstream Terminus release
misc: pvpanic: Check devm_ioport_map() for NULL
speakup: Add github repository URL and bug tracker
MAINTAINERS: Update Georgi's email address
crypto: asym_tpm: correct zero out potential secrets
habanalabs: Fix memleak in hl_device_reset
interconnect: imx8mq: Use icc_sync_state
interconnect: imx: Remove a useless test
interconnect: imx: Add a missing of_node_put after of_device_is_available
interconnect: qcom: fix rpmh link failures
habanalabs: fix order of status check
habanalabs: register to pci shutdown callback
habanalabs: add validation cs counter, fix misplaced counters
habanalabs/gaudi: retry loading TPC f/w on -EINTR
habanalabs: adjust pci controller init to new firmware
habanalabs: update comment in hl_boot_if.h
habanalabs/gaudi: enhance reset message
habanalabs: full FW hard reset support
habanalabs/gaudi: disable CGM at HW initialization
habanalabs: Revise comment to align with mirror list name
...
This patch added a new command MPTCP_PM_CMD_SET_FLAGS in PM netlink:
In mptcp_nl_cmd_set_flags, parse the input address, get the backup value
according to whether the address's FLAG_BACKUP flag is set from the
user-space. Then check whether this address had been added in the local
address list. If it had been, then call mptcp_nl_addr_backup to deal with
this address.
In mptcp_nl_addr_backup, traverse all the existing msk sockets to find
the relevant sockets, and call mptcp_pm_nl_mp_prio_send_ack to send out
a MP_PRIO ACK packet.
Finally in mptcp_nl_cmd_set_flags, set or clear the address's FLAG_BACKUP
flag.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When large bucket feature was added, BCH_FEATURE_INCOMPAT_LARGE_BUCKET
was introduced into the incompat feature set. It used bucket_size_hi
(which was added at the tail of struct cache_sb_disk) to extend current
16bit bucket size to 32bit with existing bucket_size in struct
cache_sb_disk.
This is not a good idea, there are two obvious problems,
- Bucket size is always value power of 2, if store log2(bucket size) in
existing bucket_size of struct cache_sb_disk, it is unnecessary to add
bucket_size_hi.
- Macro csum_set() assumes d[SB_JOURNAL_BUCKETS] is the last member in
struct cache_sb_disk, bucket_size_hi was added after d[] which makes
csum_set calculate an unexpected super block checksum.
To fix the above problems, this patch introduces a new incompat feature
bit BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE, when this bit is set, it
means bucket_size in struct cache_sb_disk stores the order of power-of-2
bucket size value. When user specifies a bucket size larger than 32768
sectors, BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE will be set to
incompat feature set, and bucket_size stores log2(bucket size) more
than store the real bucket size value.
The obsoleted BCH_FEATURE_INCOMPAT_LARGE_BUCKET won't be used anymore,
it is renamed to BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET and still only
recognized by kernel driver for legacy compatible purpose. The previous
bucket_size_hi is renmaed to obso_bucket_size_hi in struct cache_sb_disk
and not used in bcache-tools anymore.
For cache device created with BCH_FEATURE_INCOMPAT_LARGE_BUCKET feature,
bcache-tools and kernel driver still recognize the feature string and
display it as "obso_large_bucket".
With this change, the unnecessary extra space extend of bcache on-disk
super block can be avoided, and csum_set() may generate expected check
sum as well.
Fixes: ffa4703275 ("bcache: add bucket_size_hi into struct cache_sb_disk for large bucket")
Signed-off-by: Coly Li <colyli@suse.de>
Cc: stable@vger.kernel.org # 5.9+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
* Fixes for the new scalable MMU
* Fixes for migration of nested hypervisors on AMD
* Fix for clang integrated assembler
* Fix for left shift by 64 (UBSAN)
* Small cleanups
* Straggler SEV-ES patch
ARM:
* VM init cleanups
* PSCI relay cleanups
* Kill CONFIG_KVM_ARM_PMU
* Fixup __init annotations
* Fixup reg_to_encoding()
* Fix spurious PMCR_EL0 access
* selftests cleanups
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"x86:
- Fixes for the new scalable MMU
- Fixes for migration of nested hypervisors on AMD
- Fix for clang integrated assembler
- Fix for left shift by 64 (UBSAN)
- Small cleanups
- Straggler SEV-ES patch
ARM:
- VM init cleanups
- PSCI relay cleanups
- Kill CONFIG_KVM_ARM_PMU
- Fixup __init annotations
- Fixup reg_to_encoding()
- Fix spurious PMCR_EL0 access
Misc:
- selftests cleanups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (38 commits)
KVM: x86: __kvm_vcpu_halt can be static
KVM: SVM: Add support for booting APs in an SEV-ES guest
KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES on nested vmexit
KVM: nSVM: mark vmcb as dirty when forcingly leaving the guest mode
KVM: nSVM: correctly restore nested_run_pending on migration
KVM: x86/mmu: Clarify TDP MMU page list invariants
KVM: x86/mmu: Ensure TDP MMU roots are freed after yield
kvm: check tlbs_dirty directly
KVM: x86: change in pv_eoi_get_pending() to make code more readable
MAINTAINERS: Really update email address for Sean Christopherson
KVM: x86: fix shift out of bounds reported by UBSAN
KVM: selftests: Implement perf_test_util more conventionally
KVM: selftests: Use vm_create_with_vcpus in create_vm
KVM: selftests: Factor out guest mode code
KVM/SVM: Remove leftover __svm_vcpu_run prototype from svm.c
KVM: SVM: Add register operand to vmsave call in sev_es_vcpu_load
KVM: x86/mmu: Optimize not-present/MMIO SPTE check in get_mmio_spte()
KVM: x86/mmu: Use raw level to index into MMIO walks' sptes array
KVM: x86/mmu: Get root level from walkers when retrieving MMIO SPTE
KVM: x86/mmu: Use -1 to flag an undefined spte in get_mmio_spte()
...
Typically under KVM, an AP is booted using the INIT-SIPI-SIPI sequence,
where the guest vCPU register state is updated and then the vCPU is VMRUN
to begin execution of the AP. For an SEV-ES guest, this won't work because
the guest register state is encrypted.
Following the GHCB specification, the hypervisor must not alter the guest
register state, so KVM must track an AP/vCPU boot. Should the guest want
to park the AP, it must use the AP Reset Hold exit event in place of, for
example, a HLT loop.
First AP boot (first INIT-SIPI-SIPI sequence):
Execute the AP (vCPU) as it was initialized and measured by the SEV-ES
support. It is up to the guest to transfer control of the AP to the
proper location.
Subsequent AP boot:
KVM will expect to receive an AP Reset Hold exit event indicating that
the vCPU is being parked and will require an INIT-SIPI-SIPI sequence to
awaken it. When the AP Reset Hold exit event is received, KVM will place
the vCPU into a simulated HLT mode. Upon receiving the INIT-SIPI-SIPI
sequence, KVM will make the vCPU runnable. It is again up to the guest
to then transfer control of the AP to the proper location.
To differentiate between an actual HLT and an AP Reset Hold, a new MP
state is introduced, KVM_MP_STATE_AP_RESET_HOLD, which the vCPU is
placed in upon receiving the AP Reset Hold exit event. Additionally, to
communicate the AP Reset Hold exit event up to userspace (if needed), a
new exit reason is introduced, KVM_EXIT_AP_RESET_HOLD.
A new x86 ops function is introduced, vcpu_deliver_sipi_vector, in order
to accomplish AP booting. For VMX, vcpu_deliver_sipi_vector is set to the
original SIPI delivery function, kvm_vcpu_deliver_sipi_vector(). SVM adds
a new function that, for non SEV-ES guests, invokes the original SIPI
delivery function, kvm_vcpu_deliver_sipi_vector(), but for SEV-ES guests,
implements the logic above.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Message-Id: <e8fbebe8eb161ceaabdad7c01a5859a78b424d5e.1609791600.git.thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Core Changes:
- Lots of drm documentation updates by Simor Ser.
- Require that each crtc has a unique primary plane.
- Add fixme that fbdev_generic_setup is confusing.
Driver Changes:
- Update addresses for TI display drivers maintainers.
- Make DRM_VIRTIO_GPU select VIRTIO.
- Small fixes to qxl, virtio, hisilicon, tve200, panel/s6e63m0.
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Merge tag 'drm-misc-next-2021-01-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.12:
Core Changes:
- Lots of drm documentation updates by Simor Ser.
- Require that each crtc has a unique primary plane.
- Add fixme that fbdev_generic_setup is confusing.
Driver Changes:
- Update addresses for TI display drivers maintainers.
- Make DRM_VIRTIO_GPU select VIRTIO.
- Small fixes to qxl, virtio, hisilicon, tve200, panel/s6e63m0.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/fdfbfd7a-b91d-3f59-11c8-984704ce0ee1@linux.intel.com
UAPI Changes:
- Not necessarily one, but we document that userspace needs to force probe connectors.
Cross-subsystem Changes:
- Require FB_ATY_CT for aty on sparc64.
- video: Fix documentation, and a few compiler warnings.
- Add devicetree bindings for DP connectors.
- dma-buf: Update kernel-doc, and add might_lock for resv objects in begin/end_cpu_access.
Core Changes:
- ttm: Warn when releasing a pinned bo.
- ttm: Cleanup bo size handling.
- cma-helper: Remove prime infix, and implement mmap as GEM CMA functions.
- Split drm_prime_sg_to_page_addr_arrays into 2 functions.
- Add a new api to install irq using devm.
- Update panel kerneldoc to inline style.
- Add DP support to drm/bridge.
- Assorted small fixes to ttm, fb-helper, scheduler.
- Add atomic_commit_setup function callback.
- Automatically use the atomic gamma_set, instead of forcing drivers to declare the default atomic version.
- Allow using degamma for legacy gamma if gamma is not available.
- Clarify that primary/cursor planes are not tied to 1 crtc (depending on possible_crtcs).
- ttm: Cleanup the lru handler.
Driver Changes:
- Add pm support to ingenic.
- Assorted small fixes in radeon, via, rockchip, omap2fb, kmb, gma500, nouveau, virtio, hisilicon, ingenic, s6e63m0 panel, ast, udlfb.
- Add BOE NV110WTM-N61, ys57pss36bh5gq, Khadas TS050 panels.
- Stop using pages with drm_prime_sg_to_page_addr_arrays, and switch all callers to use ttm_sg_tt_init.
- Cleanup compiler and docbook warnings in a lot of fbdev devices.
- Use the drmm_vram_helper in hisilicon.
- Add support for BCM2711 DSI1 in vc4.
- Add support for 8-bit delta RGB panels to ingenic.
- Add documentation on how to test vkms.
- Convert vc4 to atomic helpers.
- Use degamma instead of gamma table in omap, to add support for CTM and color encoding/range properties.
- Rework omap DSI code, and merge all omapdrm modules now that the last omap panel is now a drm panel.
- More refactoring of omap dsi code.
- Enable 10/12 bpc outputs in vc4.
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Merge tag 'drm-misc-next-2020-12-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.12:
UAPI Changes:
- Not necessarily one, but we document that userspace needs to force probe connectors.
Cross-subsystem Changes:
- Require FB_ATY_CT for aty on sparc64.
- video: Fix documentation, and a few compiler warnings.
- Add devicetree bindings for DP connectors.
- dma-buf: Update kernel-doc, and add might_lock for resv objects in begin/end_cpu_access.
Core Changes:
- ttm: Warn when releasing a pinned bo.
- ttm: Cleanup bo size handling.
- cma-helper: Remove prime infix, and implement mmap as GEM CMA functions.
- Split drm_prime_sg_to_page_addr_arrays into 2 functions.
- Add a new api to install irq using devm.
- Update panel kerneldoc to inline style.
- Add DP support to drm/bridge.
- Assorted small fixes to ttm, fb-helper, scheduler.
- Add atomic_commit_setup function callback.
- Automatically use the atomic gamma_set, instead of forcing drivers to declare the default atomic version.
- Allow using degamma for legacy gamma if gamma is not available.
- Clarify that primary/cursor planes are not tied to 1 crtc (depending on possible_crtcs).
- ttm: Cleanup the lru handler.
Driver Changes:
- Add pm support to ingenic.
- Assorted small fixes in radeon, via, rockchip, omap2fb, kmb, gma500, nouveau, virtio, hisilicon, ingenic, s6e63m0 panel, ast, udlfb.
- Add BOE NV110WTM-N61, ys57pss36bh5gq, Khadas TS050 panels.
- Stop using pages with drm_prime_sg_to_page_addr_arrays, and switch all callers to use ttm_sg_tt_init.
- Cleanup compiler and docbook warnings in a lot of fbdev devices.
- Use the drmm_vram_helper in hisilicon.
- Add support for BCM2711 DSI1 in vc4.
- Add support for 8-bit delta RGB panels to ingenic.
- Add documentation on how to test vkms.
- Convert vc4 to atomic helpers.
- Use degamma instead of gamma table in omap, to add support for CTM and color encoding/range properties.
- Rework omap DSI code, and merge all omapdrm modules now that the last omap panel is now a drm panel.
- More refactoring of omap dsi code.
- Enable 10/12 bpc outputs in vc4.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/78381a4f-45fd-aed4-174a-94ba051edd37@linux.intel.com
Add a misc-device providing user-space access to the Surface Aggregator
EC, mainly intended for debugging, testing, and reverse-engineering.
This interface gives user-space applications the ability to send
requests to the EC and receive the corresponding responses.
The device-file is managed by a pseudo platform-device and corresponding
driver to avoid dependence on the dedicated bus, allowing it to be
loaded in a minimal configuration.
A python library and scripts to access this device can be found at [1].
[1]: https://github.com/linux-surface/surface-aggregator-module/tree/master/scripts/ssam
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-9-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
From the existing definitions it's unclear which stat to
use to report filtering based on L2 dst addr in old
broadcast-medium Ethernet.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
and bpf trees.
Current release - regressions:
- mt76: - usb: fix NULL pointer dereference in mt76u_status_worker
- sdio: fix NULL pointer dereference in mt76s_process_tx_queue
- net: ipa: fix interconnect enable bug
Current release - always broken:
- netfilter: ipset: fixes possible oops in mtype_resize
- ath11k: fix number of coding issues found by static analysis tools
and spurious error messages
Previous releases - regressions:
- e1000e: re-enable s0ix power saving flows for systems with
the Intel i219-LM Ethernet controllers to fix power
use regression
- virtio_net: fix recursive call to cpus_read_lock() to avoid
a deadlock
- ipv4: ignore ECN bits for fib lookups in fib_compute_spec_dst()
- net-sysfs: take the rtnl lock around XPS configuration
- xsk: - fix memory leak for failed bind
- rollback reservation at NETDEV_TX_BUSY
- r8169: work around power-saving bug on some chip versions
Previous releases - always broken:
- dcb: validate netlink message in DCB handler
- tun: fix return value when the number of iovs exceeds MAX_SKB_FRAGS
to prevent unnecessary retries
- vhost_net: fix ubuf refcount when sendmsg fails
- bpf: save correct stopping point in file seq iteration
- ncsi: use real net-device for response handler
- neighbor: fix div by zero caused by a data race (TOCTOU)
- bareudp: - fix use of incorrect min_headroom size
- fix false positive lockdep splat from the TX lock
- net: mvpp2: - clear force link UP during port init procedure
in case bootloader had set it
- add TCAM entry to drop flow control pause frames
- fix PPPoE with ipv6 packet parsing
- fix GoP Networking Complex Control config of port 3
- fix pkt coalescing IRQ-threshold configuration
- xsk: fix race in SKB mode transmit with shared cq
- ionic: account for vlan tag len in rx buffer len
- net: stmmac: ignore the second clock input, current clock framework
does not handle exclusive clock use well, other drivers
may reconfigure the second clock
Misc:
- ppp: change PPPIOCUNBRIDGECHAN ioctl request number to follow
existing scheme
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from netfilter, wireless and bpf
trees.
Current release - regressions:
- mt76: fix NULL pointer dereference in mt76u_status_worker and
mt76s_process_tx_queue
- net: ipa: fix interconnect enable bug
Current release - always broken:
- netfilter: fixes possible oops in mtype_resize in ipset
- ath11k: fix number of coding issues found by static analysis tools
and spurious error messages
Previous releases - regressions:
- e1000e: re-enable s0ix power saving flows for systems with the
Intel i219-LM Ethernet controllers to fix power use regression
- virtio_net: fix recursive call to cpus_read_lock() to avoid a
deadlock
- ipv4: ignore ECN bits for fib lookups in fib_compute_spec_dst()
- sysfs: take the rtnl lock around XPS configuration
- xsk: fix memory leak for failed bind and rollback reservation at
NETDEV_TX_BUSY
- r8169: work around power-saving bug on some chip versions
Previous releases - always broken:
- dcb: validate netlink message in DCB handler
- tun: fix return value when the number of iovs exceeds MAX_SKB_FRAGS
to prevent unnecessary retries
- vhost_net: fix ubuf refcount when sendmsg fails
- bpf: save correct stopping point in file seq iteration
- ncsi: use real net-device for response handler
- neighbor: fix div by zero caused by a data race (TOCTOU)
- bareudp: fix use of incorrect min_headroom size and a false
positive lockdep splat from the TX lock
- mvpp2:
- clear force link UP during port init procedure in case
bootloader had set it
- add TCAM entry to drop flow control pause frames
- fix PPPoE with ipv6 packet parsing
- fix GoP Networking Complex Control config of port 3
- fix pkt coalescing IRQ-threshold configuration
- xsk: fix race in SKB mode transmit with shared cq
- ionic: account for vlan tag len in rx buffer len
- stmmac: ignore the second clock input, current clock framework does
not handle exclusive clock use well, other drivers may reconfigure
the second clock
Misc:
- ppp: change PPPIOCUNBRIDGECHAN ioctl request number to follow
existing scheme"
* tag 'net-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
net: dsa: lantiq_gswip: Fix GSWIP_MII_CFG(p) register access
net: dsa: lantiq_gswip: Enable GSWIP_MII_CFG_EN also for internal PHYs
net: lapb: Decrease the refcount of "struct lapb_cb" in lapb_device_event
r8169: work around power-saving bug on some chip versions
net: usb: qmi_wwan: add Quectel EM160R-GL
selftests: mlxsw: Set headroom size of correct port
net: macb: Correct usage of MACB_CAPS_CLK_HW_CHG flag
ibmvnic: fix: NULL pointer dereference.
docs: networking: packet_mmap: fix old config reference
docs: networking: packet_mmap: fix formatting for C macros
vhost_net: fix ubuf refcount incorrectly when sendmsg fails
bareudp: Fix use of incorrect min_headroom size
bareudp: set NETIF_F_LLTX flag
net: hdlc_ppp: Fix issues when mod_timer is called while timer is running
atlantic: remove architecture depends
erspan: fix version 1 check in gre_parse_header()
net: hns: fix return value check in __lb_other_process()
net: sched: prevent invalid Scell_log shift count
net: neighbor: fix a crash caused by mod zero
ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()
...
Sphinx doesn't like old doc-comments in drm.h and generates warnings
like:
./include/uapi/drm/drm.h:87: warning: cannot understand function prototype: 'struct drm_clip_rect '
./include/uapi/drm/drm.h:97: warning: cannot understand function prototype: 'struct drm_drawable_info '
./include/uapi/drm/drm.h:105: warning: cannot understand function prototype: 'struct drm_tex_region '
...
Demote these to regular comments, because converting all of them is
quite a lot of work (also requires documenting all of the struct fields
for instance). Also many of these structures aren't really used by
modern user-space.
We can easily convert these remaining old comments to Sphinx style on a
one-by-one basis.
Signed-off-by: Simon Ser <contact@emersion.fr>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201222133524.160842-5-contact@emersion.fr
Our documentation build system chokes on \file comments:
./include/uapi/drm/drm.h:2: warning: Cannot understand * \file drm.h
on line 2 - I thought it was a doc line
Remove all of the slash-directives, and demote to a normal comment. Keep
the historical information because it predates Git.
v3: keep the comment (Daniel)
Signed-off-by: Simon Ser <contact@emersion.fr>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201222133524.160842-4-contact@emersion.fr
Now that we support non-blocking path resolution internally, expose it
via openat2() in the struct open_how ->resolve flags. This allows
applications using openat2() to limit path resolution to the extent that
it is already cached.
If the lookup cannot be satisfied in a non-blocking manner, openat2(2)
will return -1/-EAGAIN.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This new ioctl only returns the status byte (STB) that was originally
sent by the device due to a service request (SRQ) condition.
This ioctl checks the srq_asserted bit of the associated file
descriptor. If set, the srq_asserted bit is reset and the cached
STB with original SRQ information is returned. Otherwise the ioctl
returns the error code ENOMSG.
This ioctl is useful to support non USBTMC-488 compliant devices.
Time sensitive applications can read the cached STB without incurring
the cost of an urb transaction over the bus.
Tested-by: Jian-Wei Wu <jian-wei_wu@keysight.com>
Reviewed-by: Guido Kiener <guido.kiener@rohde-schwarz.com>
Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20201215155621.9592-4-dpenkler@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This new ioctl reads the status byte (STB) from the device and returns
the STB unmodified to the application. The srq_asserted bit is not taken
into account and not changed.
This ioctl is useful to support non USBTMC-488 compliant devices.
Tested-by: Jian-Wei Wu <jian-wei_wu@keysight.com>
Reviewed-by: Guido Kiener <guido.kiener@rohde-schwarz.com>
Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20201215155621.9592-3-dpenkler@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Transmit/receive only is a valid SPI mode. For example, the MOSI/TX line
might be missing from an ADC while for a DAC the MISO/RX line may be
optional. This patch adds these two new modes: SPI_NO_TX and
SPI_NO_RX. This way, the drivers will be able to identify if any of
these two lines is missing and to adjust the transfers accordingly.
Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201221152936.53873-2-alexandru.ardelean@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This change moves all the SPI mode bits into a separate 'spi.h' header in
uAPI. This is meant to re-use these definitions inside the kernel as well
as export them to userspace (via uAPI).
The SPI mode definitions have usually been duplicated between between
'include/linux/spi/spi.h' and 'include/uapi/linux/spi/spidev.h', so
whenever adding a new entry, this would need to be put in both headers.
They've been moved from 'include/linux/spi/spi.h', since that seems a bit
more complete; the bits have descriptions and there is the SPI_MODE_X_MASK.
This change also does a conversion of these bitfields to _BITUL() macro.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201221152936.53873-1-alexandru.ardelean@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The set flag NFT_SET_EXPR provides a hint to the kernel that userspace
supports for multiple expressions per set element. In the same
direction, NFT_DYNSET_F_EXPR specifies that dynset expression defines
multiple expressions per set element.
This allows new userspace software with old kernels to bail out with
EOPNOTSUPP. This update is similar to ef516e8625 ("netfilter:
nf_tables: reintroduce the NFT_SET_CONCAT flag"). The NFT_SET_EXPR flag
needs to be set on when the NFTA_SET_EXPRESSIONS attribute is specified.
The NFT_SET_EXPR flag is not set on with NFTA_SET_EXPR to retain
backward compatibility in old userspace binaries.
Fixes: 48b0ae046e ("netfilter: nftables: netlink support for several set element expressions")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Up until now validation errors were counted in the parsing field
of the cs_counters struct, so we added a new counter and increased
it when needed.
In addition, there were some locations where only one of the counters
was updated (ctx or aggregate) so add the second one to be updated
as well.
Signed-off-by: Alon Mizrahi <amizrahi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Forgot to add the comment for the opcode when it was added.
Signed-off-by: Alon Mizrahi <amizrahi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
vdpa sim refactoring
virtio mem Big Block Mode support
misc cleanus, fixes
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- vdpa sim refactoring
- virtio mem: Big Block Mode support
- misc cleanus, fixes
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (61 commits)
vdpa: Use simpler version of ida allocation
vdpa: Add missing comment for virtqueue count
uapi: virtio_ids: add missing device type IDs from OASIS spec
uapi: virtio_ids.h: consistent indentions
vhost scsi: fix error return code in vhost_scsi_set_endpoint()
virtio_ring: Fix two use after free bugs
virtio_net: Fix error code in probe()
virtio_ring: Cut and paste bugs in vring_create_virtqueue_packed()
tools/virtio: add barrier for aarch64
tools/virtio: add krealloc_array
tools/virtio: include asm/bug.h
vdpa/mlx5: Use write memory barrier after updating CQ index
vdpa: split vdpasim to core and net modules
vdpa_sim: split vdpasim_virtqueue's iov field in out_iov and in_iov
vdpa_sim: make vdpasim->buffer size configurable
vdpa_sim: use kvmalloc to allocate vdpasim->buffer
vdpa_sim: set vringh notify callback
vdpa_sim: add set_config callback in vdpasim_dev_attr
vdpa_sim: add get_config callback in vdpasim_dev_attr
vdpa_sim: make 'config' generic and usable for any device type
...
* PSCI relay at EL2 when "protected KVM" is enabled
* New exception injection code
* Simplification of AArch32 system register handling
* Fix PMU accesses when no PMU is enabled
* Expose CSV3 on non-Meltdown hosts
* Cache hierarchy discovery fixes
* PV steal-time cleanups
* Allow function pointers at EL2
* Various host EL2 entry cleanups
* Simplification of the EL2 vector allocation
s390:
* memcg accouting for s390 specific parts of kvm and gmap
* selftest for diag318
* new kvm_stat for when async_pf falls back to sync
x86:
* Tracepoints for the new pagetable code from 5.10
* Catch VFIO and KVM irqfd events before userspace
* Reporting dirty pages to userspace with a ring buffer
* SEV-ES host support
* Nested VMX support for wait-for-SIPI activity state
* New feature flag (AVX512 FP16)
* New system ioctl to report Hyper-V-compatible paravirtualization features
Generic:
* Selftest improvements
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"Much x86 work was pushed out to 5.12, but ARM more than made up for it.
ARM:
- PSCI relay at EL2 when "protected KVM" is enabled
- New exception injection code
- Simplification of AArch32 system register handling
- Fix PMU accesses when no PMU is enabled
- Expose CSV3 on non-Meltdown hosts
- Cache hierarchy discovery fixes
- PV steal-time cleanups
- Allow function pointers at EL2
- Various host EL2 entry cleanups
- Simplification of the EL2 vector allocation
s390:
- memcg accouting for s390 specific parts of kvm and gmap
- selftest for diag318
- new kvm_stat for when async_pf falls back to sync
x86:
- Tracepoints for the new pagetable code from 5.10
- Catch VFIO and KVM irqfd events before userspace
- Reporting dirty pages to userspace with a ring buffer
- SEV-ES host support
- Nested VMX support for wait-for-SIPI activity state
- New feature flag (AVX512 FP16)
- New system ioctl to report Hyper-V-compatible paravirtualization features
Generic:
- Selftest improvements"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (171 commits)
KVM: SVM: fix 32-bit compilation
KVM: SVM: Add AP_JUMP_TABLE support in prep for AP booting
KVM: SVM: Provide support to launch and run an SEV-ES guest
KVM: SVM: Provide an updated VMRUN invocation for SEV-ES guests
KVM: SVM: Provide support for SEV-ES vCPU loading
KVM: SVM: Provide support for SEV-ES vCPU creation/loading
KVM: SVM: Update ASID allocation to support SEV-ES guests
KVM: SVM: Set the encryption mask for the SVM host save area
KVM: SVM: Add NMI support for an SEV-ES guest
KVM: SVM: Guest FPU state save/restore not needed for SEV-ES guest
KVM: SVM: Do not report support for SMM for an SEV-ES guest
KVM: x86: Update __get_sregs() / __set_sregs() to support SEV-ES
KVM: SVM: Add support for CR8 write traps for an SEV-ES guest
KVM: SVM: Add support for CR4 write traps for an SEV-ES guest
KVM: SVM: Add support for CR0 write traps for an SEV-ES guest
KVM: SVM: Add support for EFER write traps for an SEV-ES guest
KVM: SVM: Support string IO operations for an SEV-ES guest
KVM: SVM: Support MMIO for an SEV-ES guest
KVM: SVM: Create trace events for VMGEXIT MSR protocol processing
KVM: SVM: Create trace events for VMGEXIT processing
...
Merge still more updates from Andrew Morton:
"18 patches.
Subsystems affected by this patch series: mm (memcg and cleanups) and
epoll"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm/Kconfig: fix spelling mistake "whats" -> "what's"
selftests/filesystems: expand epoll with epoll_pwait2
epoll: wire up syscall epoll_pwait2
epoll: add syscall epoll_pwait2
epoll: convert internal api to timespec64
epoll: eliminate unnecessary lock for zero timeout
epoll: replace gotos with a proper loop
epoll: pull all code between fetch_events and send_event into the loop
epoll: simplify and optimize busy loop logic
epoll: move eavail next to the list_empty_careful check
epoll: pull fatal signal checks into ep_send_events()
epoll: simplify signal handling
epoll: check for events when removing a timed out thread from the wait queue
mm/memcontrol:rewrite mem_cgroup_page_lruvec()
mm, kvm: account kvm_vcpu_mmap to kmemcg
mm/memcg: remove unused definitions
mm/memcg: warning on !memcg after readahead page charged
mm/memcg: bail early from swap accounting if memcg disabled
Split off from prev patch in the series that implements the syscall.
Link: https://lkml.kernel.org/r/20201121144401.3727659-4-willemdebruijn.kernel@gmail.com
Signed-off-by: Willem de Bruijn <willemb@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The OASIS virtio spec (1.1) defines several IDs that aren't reflected
in the header yet. Fixing this by adding the missing IDs, even though
they're not yet used by the kernel yet.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Link: https://lore.kernel.org/r/20201202111931.31953-2-info@metux.net
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fixing the differing indentions to be consistent and properly aligned.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Link: https://lore.kernel.org/r/20201202111931.31953-1-info@metux.net
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
- Only enable char/agp uapi when CONFIG_DRM_LEGACY is set
Cross-subsystem Changes:
- vma_set_file helper to make vma->vm_file changing less brittle,
acked by Andrew
Core Changes:
- dma-buf heaps improvements
- pass full atomic modeset state to driver callbacks
- shmem helpers: cached bo by default
- cleanups for fbdev, fb-helpers
- better docs for drm modes and SCALING_FITLER uapi
- ttm: fix dma32 page pool regression
Driver Changes:
- multi-hop regression fixes for amdgpu, radeon, nouveau
- lots of small amdgpu hw enabling fixes (display, pm, ...)
- fixes for imx, mcde, meson, some panels, virtio, qxl, i915, all
fairly minor
- some cleanups for legacy drm/fbdev drivers
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Merge tag 'drm-next-2020-12-18' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Daniel Vetter:
"UAPI Changes:
- Only enable char/agp uapi when CONFIG_DRM_LEGACY is set
Cross-subsystem Changes:
- vma_set_file helper to make vma->vm_file changing less brittle,
acked by Andrew
Core Changes:
- dma-buf heaps improvements
- pass full atomic modeset state to driver callbacks
- shmem helpers: cached bo by default
- cleanups for fbdev, fb-helpers
- better docs for drm modes and SCALING_FITLER uapi
- ttm: fix dma32 page pool regression
Driver Changes:
- multi-hop regression fixes for amdgpu, radeon, nouveau
- lots of small amdgpu hw enabling fixes (display, pm, ...)
- fixes for imx, mcde, meson, some panels, virtio, qxl, i915, all
fairly minor
- some cleanups for legacy drm/fbdev drivers"
* tag 'drm-next-2020-12-18' of git://anongit.freedesktop.org/drm/drm: (117 commits)
drm/qxl: don't allocate a dma_address array
drm/nouveau: fix multihop when move doesn't work.
drm/i915/tgl: Fix REVID macros for TGL to fetch correct stepping
drm/i915: Fix mismatch between misplaced vma check and vma insert
drm/i915/perf: also include Gen11 in OATAILPTR workaround
Revert "drm/i915: re-order if/else ladder for hpd_irq_setup"
drm/amdgpu/disply: fix documentation warnings in display manager
drm/amdgpu: print mmhub client name for dimgrey_cavefish
drm/amdgpu: set mode1 reset as default for dimgrey_cavefish
drm/amd/display: Add get_dig_frontend implementation for DCEx
drm/radeon: remove h from printk format specifier
drm/amdgpu: remove h from printk format specifier
drm/amdgpu: Fix spelling mistake "Heterogenous" -> "Heterogeneous"
drm/amdgpu: fix regression in vbios reservation handling on headless
drm/amdgpu/SRIOV: Extend VF reset request wait period
drm/amdkfd: correct amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu log.
drm/amd/display: Adding prototype for dccg21_update_dpp_dto()
drm/amdgpu: print what method we are using for runtime pm
drm/amdgpu: simplify logic in atpx resume handling
drm/amdgpu: no need to call pci_ignore_hotplug for _PR3
...
Core changes:
- Retired the old set-up function for GPIO IRQ chips. All chips
now use the template struct gpio_irq_chip and pass that to the core
to be set up alongside the gpio_chip. We can finally get rid of
the old cruft.
- Some refactoring and clean up of the core code.
- Support edge event timestamps to be stamped using REALTIME
(wall clock) timestamps. We have found solid use cases for
this, so we support it.
New drivers:
- MStar MSC313 GPIO driver.
- HiSilicon GPIO driver.
Driver improvements:
- The PCA953x driver now also supports the NXP PCAL9554B/C chips.
- The mockup driver can now be probed from the device tree which
is pretty useful for virtual prototyping of devices.
- The Rcar driver now supports .get_multiple()
- The MXC driver dropped some legacy and became a pure device
tree client.
- The Exar driver was moved over to the IDA interface for
enumerating, and also switched over to using regmap for
register access.
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Merge tag 'gpio-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of the GPIO changes for the v5.11 kernel cycle:
Core changes:
- Retired the old set-up function for GPIO IRQ chips. All chips now
use the template struct gpio_irq_chip and pass that to the core to
be set up alongside the gpio_chip. We can finally get rid of the
old cruft.
- Some refactoring and clean up of the core code.
- Support edge event timestamps to be stamped using REALTIME (wall
clock) timestamps. We have found solid use cases for this, so we
support it.
New drivers:
- MStar MSC313 GPIO driver.
- HiSilicon GPIO driver.
Driver improvements:
- The PCA953x driver now also supports the NXP PCAL9554B/C chips.
- The mockup driver can now be probed from the device tree which is
pretty useful for virtual prototyping of devices.
- The Rcar driver now supports .get_multiple()
- The MXC driver dropped some legacy and became a pure device tree
client.
- The Exar driver was moved over to the IDA interface for
enumerating, and also switched over to using regmap for register
access"
* tag 'gpio-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
MAINTAINERS: Remove reference to non-existing file
gpio: hisi: Do not require ACPI for COMPILE_TEST
MAINTAINERS: Add maintainer for HiSilicon GPIO driver
gpio: gpio-hisi: Add HiSilicon GPIO support
gpio: cs5535: Simplify the return expression of cs5535_gpio_probe()
gpiolib: irq hooks: fix recursion in gpiochip_irq_unmask
dt-bindings: mt7621-gpio: convert bindings to YAML format
gpiolib: cdev: Flag invalid GPIOs as used
gpio: put virtual gpio device into their own submenu
drivers: gpio: amd8111: use SPDX-License-Identifier
drivers: gpio: amd8111: prefer dev_err()/dev_info() over raw printk
drivers: gpio: bt8xx: prefer dev_err()/dev_warn() over of raw printk
gpio: Add TODO item for debugfs interface
gpio: just plain warning when nonexisting gpio requested
tools: gpio: add option to report wall-clock time to gpio-event-mon
tools: gpio: add support for reporting realtime event clock to lsgpio
gpiolib: cdev: allow edge event timestamps to be configured as REALTIME
gpio: msc313: MStar MSC313 GPIO driver
dt-bindings: gpio: Binding for MStar MSC313 GPIO controller
dt-bindings: gpio: Add a binding header for the MSC313 GPIO driver
...
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Merge tag '5.11-rc-smb3' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
"The largest part are for support of the newer mount API which has been
needed for cifs/smb3 mounts for a long time due to the new API's
better handling of remount, and better error reporting. There are
three additional small cleanup patches for this being tested, that are
not included yet.
This series also includes addition of support for the SMB3 witness
protocol which can provide important notifications from the server to
client on server address or export or network changes. This can be
useful for example in order to be notified before the failure - when a
server's IP address changes (in the future it will allow us to support
server notifications of when a share is moved).
It also includes three patches for stable e.g. some that better handle
some confusing error messages during session establishment"
* tag '5.11-rc-smb3' of git://git.samba.org/sfrench/cifs-2.6: (55 commits)
cifs: update internal module version number
cifs: Fix support for remount when not changing rsize/wsize
cifs: handle "guest" mount parameter
cifs: correct four aliased mount parms to allow use of previous names
cifs: Tracepoints and logs for tracing credit changes.
cifs: fix use after free in cifs_smb3_do_mount()
cifs: fix rsize/wsize to be negotiated values
cifs: Fix some error pointers handling detected by static checker
smb3: remind users that witness protocol is experimental
cifs: update super_operations to show_devname
cifs: fix uninitialized variable in smb3_fs_context_parse_param
cifs: update mnt_cifs_flags during reconfigure
cifs: move update of flags into a separate function
cifs: remove ctx argument from cifs_setup_cifs_sb
cifs: do not allow changing posix_paths during remount
cifs: uncomplicate printing the iocharset parameter
cifs: don't create a temp nls in cifs_setup_ipc
cifs: simplify handling of cifs_sb/ctx->local_nls
cifs: we do not allow changing username/password/unc/... during remount
cifs: add initial reconfigure support
...
Since we wake the GT up before executing a request, and go to sleep as
soon as it is retired, the GT wake time not only represents how long the
device is powered up, but also provides a summary, albeit an overestimate,
of the device runtime (i.e. the rc0 time to compare against rc6 time).
v2: s/busy/awake/
v3: software-gt-awake-time and I915_PMU_SOFTWARE_GT_AWAKE_TIME
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201215154456.13954-1-chris@chris-wilson.co.uk
Current release - always broken:
- net/smc: fix access to parent of an ib device
- devlink: use _BITUL() macro instead of BIT() in the UAPI header
- handful of mptcp fixes
Previous release - regressions:
- intel: AF_XDP: clear the status bits for the next_to_use descriptor
- dpaa2-eth: fix the size of the mapped SGT buffer
Previous release - always broken:
- mptcp: fix security context on server socket
- ethtool: fix string set id check
- ethtool: fix error paths in ethnl_set_channels()
- lan743x: fix rx_napi_poll/interrupt ping-pong
- qca: ar9331: fix sleeping function called from invalid context bug
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Current release - always broken:
- net/smc: fix access to parent of an ib device
- devlink: use _BITUL() macro instead of BIT() in the UAPI header
- handful of mptcp fixes
Previous release - regressions:
- intel: AF_XDP: clear the status bits for the next_to_use descriptor
- dpaa2-eth: fix the size of the mapped SGT buffer
Previous release - always broken:
- mptcp: fix security context on server socket
- ethtool: fix string set id check
- ethtool: fix error paths in ethnl_set_channels()
- lan743x: fix rx_napi_poll/interrupt ping-pong
- qca: ar9331: fix sleeping function called from invalid context bug"
* tag 'net-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (32 commits)
net/sched: sch_taprio: reset child qdiscs before freeing them
nfp: move indirect block cleanup to flower app stop callback
octeontx2-af: Fix undetected unmap PF error check
net: nixge: fix spelling mistake in Kconfig: "Instuments" -> "Instruments"
qlcnic: Fix error code in probe
mptcp: fix pending data accounting
mptcp: push pending frames when subflow has free space
mptcp: properly annotate nested lock
mptcp: fix security context on server socket
net/mlx5: Fix compilation warning for 32-bit platform
mptcp: clear use_ack and use_map when dropping other suboptions
devlink: use _BITUL() macro instead of BIT() in the UAPI header
net: korina: fix return value
net/smc: fix access to parent of an ib device
ethtool: fix error paths in ethnl_set_channels()
nfc: s3fwrn5: Remove unused NCI prop commands
nfc: s3fwrn5: Remove the delay for NFC sleep
phy: fix kdoc warning
tipc: do sanity check payload of a netlink message
use __netdev_notify_peers in hyperv
...
New drivers/devices
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
- Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI keystone drivers for 5.11 included here due to dependency for TI
drivers
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Merge tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"The last dmaengine updates for this year :)
This contains couple of new drivers, new device support and updates to
bunch of drivers.
New drivers/devices:
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI drivers"
* tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (75 commits)
soc: ti: k3-ringacc: Use correct error casting in k3_ringacc_dmarings_init
dmaengine: ti: k3-udma-glue: Add support for K3 PKTDMA
dmaengine: ti: k3-udma: Initial support for K3 PKTDMA
dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling
dmaengine: ti: k3-udma: Initial support for K3 BCDMA
soc: ti: k3-ringacc: add AM64 DMA rings support.
dmaengine: ti: Add support for k3 event routers
dmaengine: ti: k3-psil: Add initial map for AM64
dmaengine: ti: k3-psil: Extend psil_endpoint_config for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 BCDMA
dmaengine: dmatest: Use dmaengine_get_dma_device
dmaengine: doc: client: Update for dmaengine_get_dma_device() usage
dmaengine: Add support for per channel coherency handling
dmaengine: of-dma: Add support for optional router configuration callback
dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings
dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev
dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API
dmaengine: ti: k3-udma: Add support for second resource range from sysfw
dmaengine: ti: k3-udma: Wait for peer teardown completion if supported
...
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Merge tag 'fuse-update-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Improve performance of virtio-fs in mixed read/write workloads
- Try to revalidate cache before returning EEXIST on exclusive create
- Add a couple of miscellaneous bug fixes as well as some code cleanups
* tag 'fuse-update-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: fix bad inode
fuse: support SB_NOSEC flag to improve write performance
fuse: add a flag FUSE_OPEN_KILL_SUIDGID for open() request
fuse: don't send ATTR_MODE to kill suid/sgid for handle_killpriv_v2
fuse: setattr should set FATTR_KILL_SUIDGID
fuse: set FUSE_WRITE_KILL_SUIDGID in cached write path
fuse: rename FUSE_WRITE_KILL_PRIV to FUSE_WRITE_KILL_SUIDGID
fuse: introduce the notion of FUSE_HANDLE_KILLPRIV_V2
fuse: always revalidate if exclusive create
virtiofs: clean up error handling in virtio_fs_get_tree()
fuse: add fuse_sb_destroy() helper
fuse: simplify get_fuse_conn*()
fuse: get rid of fuse_mount refcount
virtiofs: simplify sb setup
virtiofs fix leak in setup
fuse: launder page should wait for page writeback
In this round, we've made more work into per-file compression support. For
example, F2FS_IOC_GET|SET_COMPRESS_OPTION provides a way to change the
algorithm or cluster size per file. F2FS_IOC_COMPRESS|DECOMPRESS_FILE provides
a way to compress and decompress the existing normal files manually along with
a new mount option, compress_mode=fs|user, which can control who compresses the
data. Chao also added a checksum feature with a mount option so that we are able
to detect any corrupted cluster. In addition, Daniel contributed casefolding
with encryption patch, which will be used for Android devices.
Enhancement:
- add ioctls and mount option to manage per-file compression feature
- support casefolding with encryption
- support checksum for compressed cluster
- avoid IO starvation by replacing mutex with rwsem
- add sysfs, max_io_bytes, to control max bio size
Bug fix:
- fix use-after-free issue when compression and fsverity are enabled
- fix consistency corruption during fault injection test
- fix data offset for lseek
- get rid of buffer_head which has 32bits limit in fiemap
- fix some bugs in multi-partitions support
- fix nat entry count calculation in shrinker
- fix some stat information
And, we've refactored some logics and fix minor bugs as well.
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Merge tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've made more work into per-file compression support.
For example, F2FS_IOC_GET | SET_COMPRESS_OPTION provides a way to
change the algorithm or cluster size per file. F2FS_IOC_COMPRESS |
DECOMPRESS_FILE provides a way to compress and decompress the existing
normal files manually.
There is also a new mount option, compress_mode=fs|user, which can
control who compresses the data.
Chao also added a checksum feature with a mount option so that
we are able to detect any corrupted cluster.
In addition, Daniel contributed casefolding with encryption patch,
which will be used for Android devices.
Summary:
Enhancements:
- add ioctls and mount option to manage per-file compression feature
- support casefolding with encryption
- support checksum for compressed cluster
- avoid IO starvation by replacing mutex with rwsem
- add sysfs, max_io_bytes, to control max bio size
Bug fixes:
- fix use-after-free issue when compression and fsverity are enabled
- fix consistency corruption during fault injection test
- fix data offset for lseek
- get rid of buffer_head which has 32bits limit in fiemap
- fix some bugs in multi-partitions support
- fix nat entry count calculation in shrinker
- fix some stat information
And, we've refactored some logics and fix minor bugs as well"
* tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (36 commits)
f2fs: compress: fix compression chksum
f2fs: fix shift-out-of-bounds in sanity_check_raw_super()
f2fs: fix race of pending_pages in decompression
f2fs: fix to account inline xattr correctly during recovery
f2fs: inline: fix wrong inline inode stat
f2fs: inline: correct comment in f2fs_recover_inline_data
f2fs: don't check PAGE_SIZE again in sanity_check_raw_super()
f2fs: convert to F2FS_*_INO macro
f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size
f2fs: don't allow any writes on readonly mount
f2fs: avoid race condition for shrinker count
f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
f2fs: add compress_mode mount option
f2fs: Remove unnecessary unlikely()
f2fs: init dirty_secmap incorrectly
f2fs: remove buffer_head which has 32bits limit
f2fs: fix wrong block count instead of bytes
f2fs: use new conversion functions between blks and bytes
f2fs: rename logical_to_blk and blk_to_logical
f2fs: fix kbytes written stat for multi-device case
...
The BIT() macro is not available for the UAPI headers. Moreover, it can
be defined differently in user space headers. Thus, replace its usage
with the _BITUL() macro which is already used in other macro definitions
in <linux/devlink.h>.
Fixes: dc64cc7c63 ("devlink: Add devlink reload limit option")
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Link: https://lore.kernel.org/r/20201215102531.16958-1-tklauser@distanz.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Fix uninitialized list walk in error path (Eric Auger)
- Use io_remap_pfn_range() (Jason Gunthorpe)
- Allow fallback support for NVLink on POWER8 (Alexey Kardashevskiy)
- Enable mdev request interrupt with CCW support (Eric Farman)
- Enable interface to iommu_domain from vfio_group (Lu Baolu)
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Merge tag 'vfio-v5.11-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Fix uninitialized list walk in error path (Eric Auger)
- Use io_remap_pfn_range() (Jason Gunthorpe)
- Allow fallback support for NVLink on POWER8 (Alexey Kardashevskiy)
- Enable mdev request interrupt with CCW support (Eric Farman)
- Enable interface to iommu_domain from vfio_group (Lu Baolu)
* tag 'vfio-v5.11-rc1' of git://github.com/awilliam/linux-vfio:
vfio/type1: Add vfio_group_iommu_domain()
vfio-ccw: Wire in the request callback
vfio-mdev: Wire in a request handler for mdev parent
vfio/pci/nvlink2: Do not attempt NPU2 setup on POWER8NVL NPU
vfio-pci: Use io_remap_pfn_range() for PCI IO memory
vfio/pci: Move dummy_resources_list init in vfio_pci_probe()
