The hugetlb vma lock was originally designed to synchronize pmd sharing.
As such, it was only necessary to allocate the lock for vmas that were
capable of pmd sharing. Later in the development cycle, it was discovered
that it could also be used to simplify fault/truncation races as described
in [1]. However, a subsequent change to allocate the lock for all vmas
that use the page cache was never made. A fault/truncation race could
leave pages in a file past i_size until the file is removed.
Remove the previous restriction and allocate lock for all VM_MAYSHARE
vmas. Warn in the unlikely event of allocation failure.
[1] https://lore.kernel.org/lkml/Yxiv0SkMkZ0JWGGp@monkey/#t
Link: https://lkml.kernel.org/r/20221005011707.514612-4-mike.kravetz@oracle.com
Fixes: "hugetlb: clean up code checking for fault/truncation races"
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: James Houghton <jthoughton@google.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Naoya Horiguchi <naoya.horiguchi@linux.dev>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Prakash Sangappa <prakash.sangappa@oracle.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
hugetlb file truncation/hole punch code may need to back out and take
locks in order in the routine hugetlb_unmap_file_folio(). This code could
race with vma freeing as pointed out in [1] and result in accessing a
stale vma pointer. To address this, take the vma_lock when clearing the
vma_lock->vma pointer.
[1] https://lore.kernel.org/linux-mm/01f10195-7088-4462-6def-909549c75ef4@huawei.com/
[mike.kravetz@oracle.com: address build issues]
Link: https://lkml.kernel.org/r/Yz5L1uxQYR1VqFtJ@monkey
Link: https://lkml.kernel.org/r/20221005011707.514612-3-mike.kravetz@oracle.com
Fixes: "hugetlb: use new vma_lock for pmd sharing synchronization"
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: James Houghton <jthoughton@google.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Naoya Horiguchi <naoya.horiguchi@linux.dev>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Prakash Sangappa <prakash.sangappa@oracle.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "hugetlb: fixes for new vma lock series".
In review of the series "hugetlb: Use new vma lock for huge pmd sharing
synchronization", Miaohe Lin pointed out two key issues:
1) There is a race in the routine hugetlb_unmap_file_folio when locks
are dropped and reacquired in the correct order [1].
2) With the switch to using vma lock for fault/truncate synchronization,
we need to make sure lock exists for all VM_MAYSHARE vmas, not just
vmas capable of pmd sharing.
These two issues are addressed here. In addition, having a vma lock
present in all VM_MAYSHARE vmas, uncovered some issues around vma
splitting. Those are also addressed.
[1] https://lore.kernel.org/linux-mm/01f10195-7088-4462-6def-909549c75ef4@huawei.com/
This patch (of 3):
The hugetlb vma lock hangs off the vm_private_data field and is specific
to the vma. When vm_area_dup() is called as part of vma splitting, the
vma lock pointer is copied to the new vma. This will result in issues
such as double freeing of the structure. Update the hugetlb open vm_ops
to allocate a new vma lock for the new vma.
The routine __unmap_hugepage_range_final unconditionally unset VM_MAYSHARE
to prevent subsequent pmd sharing. hugetlb_vma_lock_free attempted to
anticipate this by checking both VM_MAYSHARE and VM_SHARED. However, if
only VM_MAYSHARE was set we would miss the free. With the introduction of
the vma lock, a vma can not participate in pmd sharing if vm_private_data
is NULL. Instead of clearing VM_MAYSHARE in __unmap_hugepage_range_final,
free the vma lock to prevent sharing. Also, update the sharing code to
make sure vma lock is indeed a condition for pmd sharing.
hugetlb_vma_lock_free can then key off VM_MAYSHARE and not miss any vmas.
Link: https://lkml.kernel.org/r/20221005011707.514612-1-mike.kravetz@oracle.com
Link: https://lkml.kernel.org/r/20221005011707.514612-2-mike.kravetz@oracle.com
Fixes: "hugetlb: add vma based lock for pmd sharing"
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: James Houghton <jthoughton@google.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Naoya Horiguchi <naoya.horiguchi@linux.dev>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Prakash Sangappa <prakash.sangappa@oracle.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
wakeup_flusher_threads() was added under the assumption that if a system
runs out of clean cold pages, it might want to write back dirty pages more
aggressively so that they can become clean and be dropped.
However, doing so can breach the rate limit a system wants to impose on
writeback, resulting in early SSD wearout.
Link: https://lkml.kernel.org/r/YzSiWq9UEER5LKup@google.com
Fixes: bd74fdaea1 ("mm: multi-gen LRU: support page table walks")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reported-by: Axel Rasmussen <axelrasmussen@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
inode_lock[ATOMIC_FILE] was used for protecting sbi->atomic_files,
update atomic_files variable's type to atomic_t instead of unsigned
int, then inode_lock[ATOMIC_FILE] can be obsoleted.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Updates to the usual drivers (qla2xxx, lpfc, ufs, hisi_sas, mpi3mr,
mpt3sas, target); the biggest change (from my biased viewpoint) being
that the mpi3mr now attached to the SAS transport class, making it the
first fusion type device to do so. Beyond the usual bug fixing and
security class reworks, there aren't a huge number of core changes.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (qla2xxx, lpfc, ufs, hisi_sas, mpi3mr,
mpt3sas, target). The biggest change (from my biased viewpoint) being
that the mpi3mr now attached to the SAS transport class, making it the
first fusion type device to do so.
Beyond the usual bug fixing and security class reworks, there aren't a
huge number of core changes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits)
scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()
scsi: mpi3mr: Remove unnecessary cast
scsi: stex: Properly zero out the passthrough command structure
scsi: mpi3mr: Update driver version to 8.2.0.3.0
scsi: mpi3mr: Fix scheduling while atomic type bug
scsi: mpi3mr: Scan the devices during resume time
scsi: mpi3mr: Free enclosure objects during driver unload
scsi: mpi3mr: Handle 0xF003 Fault Code
scsi: mpi3mr: Graceful handling of surprise removal of PCIe HBA
scsi: mpi3mr: Schedule IRQ kthreads only on non-RT kernels
scsi: mpi3mr: Support new power management framework
scsi: mpi3mr: Update mpi3 header files
scsi: mpt3sas: Revert "scsi: mpt3sas: Fix ioc->base_readl() use"
scsi: mpt3sas: Revert "scsi: mpt3sas: Fix writel() use"
scsi: wd33c93: Remove dead code related to the long-gone config WD33C93_PIO
scsi: core: Add I/O timeout count for SCSI device
scsi: qedf: Populate sysfs attributes for vport
scsi: pm8001: Replace one-element array with flexible-array member
scsi: 3w-xxxx: Replace one-element array with flexible-array member
scsi: hptiop: Replace one-element array with flexible-array member in struct hpt_iop_request_ioctl_command()
...
- Small bug fixes in mlx5, efa, rxe, hns, irdma, erdma, siw
- rts tracing improvements
- Code improvements: strlscpy conversion, unused parameter, spelling
mistakes, unused variables, flex arrays
- restrack device details report for hns
- Simplify struct device initialization in SRP
- Eliminate the never-used service_mask support in IB CM
- Make rxe not print to the console for some kinds of network packets
- Asymetric paths and router support in the CM through netlink messages
- DMABUF importer support for mlx5devx umem's
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Not a big list of changes this cycle, mostly small things. The new
MANA rdma driver should come next cycle along with a bunch of work on
rxe.
Summary:
- Small bug fixes in mlx5, efa, rxe, hns, irdma, erdma, siw
- rts tracing improvements
- Code improvements: strlscpy conversion, unused parameter, spelling
mistakes, unused variables, flex arrays
- restrack device details report for hns
- Simplify struct device initialization in SRP
- Eliminate the never-used service_mask support in IB CM
- Make rxe not print to the console for some kinds of network packets
- Asymetric paths and router support in the CM through netlink
messages
- DMABUF importer support for mlx5devx umem's"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (84 commits)
RDMA/rxe: Remove error/warning messages from packet receiver path
RDMA/usnic: fix set-but-not-unused variable 'flags' warning
IB/hfi1: Use skb_put_data() instead of skb_put/memcpy pair
RDMA/hns: Unified Log Printing Style
RDMA/hns: Replacing magic number with macros in apply_func_caps()
RDMA/hns: Repacing 'dseg_len' by macros in fill_ext_sge_inl_data()
RDMA/hns: Remove redundant 'max_srq_desc_sz' in caps
RDMA/hns: Remove redundant 'num_mtt_segs' and 'max_extend_sg'
RDMA/hns: Remove redundant 'phy_addr' in hns_roce_hem_list_find_mtt()
RDMA/hns: Remove redundant 'use_lowmem' argument from hns_roce_init_hem_table()
RDMA/hns: Remove redundant 'bt_level' for hem_list_alloc_item()
RDMA/hns: Remove redundant 'attr_mask' in modify_qp_init_to_init()
RDMA/hns: Remove unnecessary brackets when getting point
RDMA/hns: Remove unnecessary braces for single statement blocks
RDMA/hns: Cleanup for a spelling error of Asynchronous
IB/rdmavt: Add __init/__exit annotations to module init/exit funcs
RDMA/rxe: Remove redundant num_sge fields
RDMA/mlx5: Enable ATS support for MRs and umems
RDMA/mlx5: Add support for dmabuf to devx umem
RDMA/core: Add UVERBS_ATTR_RAW_FD
...
* mtdchar: add MEMREAD ioctl
* Add ECC error accounting for each read request
* always initialize 'stats' in struct mtd_oob_ops
* Track maximum number of bitflips for each read request
* Fix repeated word in comment
* Move from strlcpy with unused retval to strscpy
* Fix a typo in a comment
* Add binding for U-Boot bootloader partitions
MTD device drivers changes:
* FTL: use container_of() rather than cast
* docg3:
- Use correct function names in comment blocks
- Check the return value of devm_ioremap() in the probe
* physmap-core: Fix NULL pointer dereferencing in of_select_probe_type()
* parsers: add Broadcom's U-Boot parser
Raw NAND core changes:
* Replace of_gpio_named_count() by gpiod_count()
- Remove misguided comment of nand_get_device()
- bbt: Use the bitmap API to allocate bitmaps
Raw NAND controller drivers changes:
* Meson:
- Stop supporting legacy clocks
- Refine resource getting in probe
- Convert bindings to yaml
- Fix clock handling and update the bindings accordingly
- Fix bit map use in meson_nfc_ecc_correct()
* bcm47xx:
- Fix spelling typo in comment
* STM32 FMC2:
- Switch to using devm_fwnode_gpiod_get()
- Fix dma_map_sg error check
* Cadence:
- Remove an unneeded result variable
* Marvell:
- Fix error handle regarding dma_map_sg
* Orion:
- Use devm_clk_get_optional()
* Cafe:
- Use correct function name in comment block
* Atmel:
- Unmap streaming DMA mappings
* Arasan:
- Stop using 0 as NULL pointer
* GPMI:
- Fix typo 'the the' in comment
* BRCM:
- Add individual glue driver selection
- Move Kconfig to driver folder
* FSL: Fix none ECC mode
* Intel:
- Use devm_platform_ioremap_resource_byname()
- Remove unused clk_rate member from struct ebu_nand
- Remove unused nand_pa member from ebu_nand_cs
- Don't re-define NAND_DATA_IFACE_CHECK_ONLY
- Remove undocumented compatible string
- Fix compatible string in the bindings
- Read the chip-select line from the correct OF node
- Fix maximum chip select value in the bindings
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Merge tag 'mtd/for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"Core MTD changes:
- mtdchar: add MEMREAD ioctl
- Add ECC error accounting for each read request
- always initialize 'stats' in struct mtd_oob_ops
- Track maximum number of bitflips for each read request
- Fix repeated word in comment
- Move from strlcpy with unused retval to strscpy
- Fix a typo in a comment
- Add binding for U-Boot bootloader partitions
MTD device drivers changes:
- FTL: use container_of() rather than cast
- docg3:
- Use correct function names in comment blocks
- Check the return value of devm_ioremap() in the probe
- physmap-core: Fix NULL pointer dereferencing in
of_select_probe_type()
- parsers: add Broadcom's U-Boot parser
Raw NAND core changes:
- Replace of_gpio_named_count() by gpiod_count()
- Remove misguided comment of nand_get_device()
- bbt: Use the bitmap API to allocate bitmaps
Raw NAND controller drivers changes:
- Meson:
- Stop supporting legacy clocks
- Refine resource getting in probe
- Convert bindings to yaml
- Fix clock handling and update the bindings accordingly
- Fix bit map use in meson_nfc_ecc_correct()
- bcm47xx:
- Fix spelling typo in comment
- STM32 FMC2:
- Switch to using devm_fwnode_gpiod_get()
- Fix dma_map_sg error check
- Cadence:
- Remove an unneeded result variable
- Marvell:
- Fix error handle regarding dma_map_sg
- Orion:
- Use devm_clk_get_optional()
- Cafe:
- Use correct function name in comment block
- Atmel:
- Unmap streaming DMA mappings
- Arasan:
- Stop using 0 as NULL pointer
- GPMI:
- Fix typo 'the the' in comment
- BRCM:
- Add individual glue driver selection
- Move Kconfig to driver folder
- FSL: Fix none ECC mode
- Intel:
- Use devm_platform_ioremap_resource_byname()
- Remove unused clk_rate member from struct ebu_nand
- Remove unused nand_pa member from ebu_nand_cs
- Don't re-define NAND_DATA_IFACE_CHECK_ONLY
- Remove undocumented compatible string
- Fix compatible string in the bindings
- Read the chip-select line from the correct OF node
- Fix maximum chip select value in the bindings"
* tag 'mtd/for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (43 commits)
mtd: rawnand: meson: stop supporting legacy clocks
dt-bindings: nand: meson: convert txt to yaml
mtd: rawnand: meson: refine resource getting in probe
mtd: rawnand: meson: fix the clock
dt-bindings: nand: meson: fix meson nfc clock
mtd: rawnand: bcm47xx: fix spelling typo in comment
mtd: rawnand: stm32_fmc2: switch to using devm_fwnode_gpiod_get()
mtd: rawnand: cadence: Remove an unneeded result variable
mtd: rawnand: Replace of_gpio_named_count() by gpiod_count()
mtd: rawnand: marvell: Fix error handle regarding dma_map_sg
mtd: rawnand: stm32_fmc2: Fix dma_map_sg error check
mtd: rawnand: remove misguided comment of nand_get_device()
mtd: rawnand: orion: Use devm_clk_get_optional()
mtd: rawnand: cafe: Use correct function name in comment block
mtd: rawnand: atmel: Unmap streaming DMA mappings
mtd: rawnand: meson: fix bit map use in meson_nfc_ecc_correct()
mtd: rawnand: arasan: stop using 0 as NULL pointer
mtd: rawnand: gpmi: Fix typo 'the the' in comment
mtd: rawnand: brcmnand: Add individual glue driver selection
mtd: rawnand: brcmnand: Move Kconfig to driver folder
...
Support for remoteprocs that will perform recovery without help from
Linux is introduced.
The virtio integration is transitioned towards remoteproc_virtio.c and
represented by a platform_device, in preparation for instantiating
virtio instances from DeviceTree.
The iMX remoteproc driver has a couple of sparse warnings corrected and
a couple of error message printouts are cleaned up. The keystone driver
is transitioned to use the gpiod API.
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Merge tag 'rproc-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"Support for remoteprocs that will perform recovery without help from
Linux is introduced.
The virtio integration is transitioned towards remoteproc_virtio.c and
represented by a platform_device, in preparation for instantiating
virtio instances from DeviceTree.
The iMX remoteproc driver has a couple of sparse warnings corrected
and a couple of error message printouts are cleaned up. The keystone
driver is transitioned to use the gpiod API"
* tag 'rproc-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
remoteproc: virtio: Fix warning on bindings by removing the of_match_table
remoteproc: Support attach recovery after rproc crash
remoteproc: Introduce rproc features
remoteproc: virtio: Create platform device for the remoteproc_virtio
remoteproc: Move rproc_vdev management to remoteproc_virtio.c
remoteproc: core: Introduce rproc_add_rvdev function
remoteproc: core: Introduce rproc_rvdev_add_device function
remoteproc: Harden rproc_handle_vdev() against integer overflow
remoteproc/keystone: Switch to using gpiod API
drivers/remoteproc: Fix repeated words in comments
remoteproc: imx_dsp_rproc: fix argument 2 of rproc_mem_entry_init
remoteproc: imx_rproc: Simplify some error message
This fixes a double free/destroy and drops an unnecessary local variable
in the rpmsg char driver.
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Merge tag 'rpmsg-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
"This fixes a double free/destroy and drops an unnecessary local
variable in the rpmsg char driver"
* tag 'rpmsg-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: char: Avoid double destroy of default endpoint
rpmsg: char: Remove the unneeded result variable
The Rockchip and Mediatek drivers gain support for more chips and the
LPSS driver undergoes some refactoring and receives some improvements.
Other than that there are various cleanups of the core.
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Merge tag 'pwm/for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"The Rockchip and Mediatek drivers gain support for more chips and the
LPSS driver undergoes some refactoring and receives some improvements.
Other than that there are various cleanups of the core"
* tag 'pwm/for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: sysfs: Replace sprintf() with sysfs_emit()
pwm: core: Replace custom implementation of device_match_fwnode()
pwm: lpss: Add a comment to the bypass field
pwm: lpss: Make use of bits.h macros for all masks
pwm: lpss: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
pwm: lpss: Use device_get_match_data() to get device data
pwm: lpss: Move resource mapping to the glue drivers
pwm: lpss: Move exported symbols to PWM_LPSS namespace
pwm: lpss: Deduplicate board info data structures
dt-bindings: pwm: Add compatible for Mediatek MT8188
dt-bindings: pwm: rockchip: Add rockchip,rk3128-pwm
dt-bindings: pwm: rockchip: Add description for rk3588
pwm: sysfs: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
pwm: rockchip: Convert to use dev_err_probe()
IORING_SETUP_SINGLE_ISSUER restricts what tasks can submit requests.
Extend it to registration as well, so non-owning task can't do
registrations. It's not necessary at the moment but might be useful in
the future.
Cc: <stable@vger.kernel.org> # 6.0
Fixes: 97bbdc06a4 ("io_uring: add IORING_SETUP_SINGLE_ISSUER")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/f52a6a9c8a8990d4a831f73c0571e7406aac2bba.1664237592.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
this is no longer needed, as submitter_task is set at creation time.
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Fixes: 97bbdc06a4 ("io_uring: add IORING_SETUP_SINGLE_ISSUER")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Remove submitter parameter from __io_uring_add_tctx_node.
It was only called from one place, and we can do that logic in that one
place.
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Fixes: 97bbdc06a4 ("io_uring: add IORING_SETUP_SINGLE_ISSUER")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'for-linus-2022100501' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Benjamin Tissoires:
- handle of all Logitech Bluetooth HID++ devices in the Logitech HID++
drivers (Bastien Nocera)
- fix broken atomic checks in hid-multitouch by adding memory barriers
(Andri Yngvason)
- better handling of devices with AMD SFH1.1 (Basavaraj Natikar)
- better support of Nintendo clone controllers (Icenowy Zheng and
Johnothan King)
- Support for various RC controllers (Marcus Folkesson)
- Add UGEEv2 support in hid-uclogic (XP-PEN Deco Pro S and Parblo A610
PRO) (José Expósito)
- some conversions to use dev_groups (Greg Kroah-Hartman)
- HID-BPF preparatory patches, mostly to convert blank defines as enums
(Benjamin Tissoires)
* tag 'for-linus-2022100501' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (38 commits)
HID: wacom: add three styli to wacom_intuos_get_tool_type
HID: amd_sfh: Handle condition of "no sensors" for SFH1.1
HID: amd_sfh: Change dev_err to dev_dbg for additional debug info
HID: nintendo: check analog user calibration for plausibility
HID: nintendo: deregister home LED when it fails
HID: roccat: Fix use-after-free in roccat_read()
hid: topre: Add driver fixing report descriptor
HID: multitouch: Add memory barriers
HID: convert defines of HID class requests into a proper enum
HID: export hid_report_type to uapi
HID: core: store the unique system identifier in hid_device
HID: Add driver for PhoenixRC Flight Controller
HID: Add driver for VRC-2 Car Controller
HID: sony: Fix double word in comments
hid: hid-logitech-hidpp: avoid unnecessary assignments in hidpp_connect_event
HID: logitech-hidpp: Detect hi-res scrolling support
HID: logitech-hidpp: Remove hard-coded "Sw. Id." for HID++ 2.0 commands
HID: logitech-hidpp: Fix "Sw. Id." for HID++ 2.0 commands
HID: logitech-hidpp: Remove special-casing of Bluetooth devices
HID: logitech-hidpp: Enable HID++ for all the Logitech Bluetooth devices
...
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Merge tag 'media/v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- New driver for Mediatek MDP V3
- New driver for NXP i.MX DW100 dewarper
- Zoran driver got promoted from staging
- Hantro and related drivers got promoted from staging
- Several VB1 drivers got moved to staging/deprecated (cpia2, fsl-viu,
meye, saa7146, av7110, stkwebcam, tm6000, vpfe_capture, davinci,
zr364xx)
- Usual set of driver fixes, improvements and cleanups
* tag 'media/v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (107 commits)
media: destage Hantro VPU driver
media: platform: mtk-mdp3: add MediaTek MDP3 driver
media: dt-binding: mediatek: add bindings for MediaTek CCORR and WDMA
media: dt-binding: mediatek: add bindings for MediaTek MDP3 components
media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init
media: xilinx: video: Add 1X12 greyscale format
media: xilinx: csi2rxss: Add 1X12 greyscale format
media: staging: media: imx: imx7-media-csi: Increase video mem limit
media: uvcvideo: Limit power line control for Sonix Technology
media: uvcvideo: Use entity get_cur in uvc_ctrl_set
media: uvcvideo: Fix typo 'the the' in comment
media: uvcvideo: Use indexed loops in uvc_ctrl_init_ctrl()
media: uvcvideo: Fix memory leak in uvc_gpio_parse
media: renesas: vsp1: Add support for RZ/G2L VSPD
media: renesas: vsp1: Add VSP1_HAS_NON_ZERO_LBA feature bit
media: renesas: vsp1: Add support for VSP software version
media: renesas: vsp1: Add support to deassert/assert reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/G2L VSPD bindings
media: meson: vdec: add missing clk_disable_unprepare on error in vdec_hevc_start()
media: amphion: fix a bug that vpu core may not resume after suspend
...
* Print the timeout value for internal command failures due to a
timeout (from Tomas).
* Improve parameter names in ata_dev_set_feature() to clarify this
function use (from Niklas).
* Improve the ahci driver low power mode setting initialization to allow
more flexibility for the user (from Rafael).
* Several patches to remove redundant variables in libata-core,
libata-eh and the pata_macio driver and to fix typos in comments (from
Jinpeng, Shaomin, Ye).
* Some code simplifications and macro renaming (for clarity) in various
functions of libata-core (from me).
* Add a missing check for a potential failure of sata_scr_read() in
sata_print_link_status() (from Li).
* Cleanup of libata Kconfig PATA_PLATFORM and PATA_OF_PLATFORM options
(from Lukas).
* Cleanups of ata dt-bindings and improvements of libahci_platform, ahci
and libahci code (from Serge)
* New driver for Synopsys AHCI SATA controllers, based of the generic
ahci code (from Serge). One compilation warning fix is added for this
driver (from me).
* Several fixes to macros used to discover a drive capabilities to be
consistent with the ACS specifications (from Niklas).
* A couple of simplifcations to some libata functions, removing
unnecessary arguments (from Niklas).
* An improvements to libata-eh code to avoid unnecessary link reset when
revalidating a drive after a failed command. In practice, this extra,
unneeded reset, reset does not cause any arm beyond slightly slowing
down error recovery (from Niklas).
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Merge tag 'ata-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
- Print the timeout value for internal command failures due to a
timeout (from Tomas)
- Improve parameter names in ata_dev_set_feature() to clarify this
function use (from Niklas)
- Improve the ahci driver low power mode setting initialization to
allow more flexibility for the user (from Rafael)
- Several patches to remove redundant variables in libata-core,
libata-eh and the pata_macio driver and to fix typos in comments
(from Jinpeng, Shaomin, Ye)
- Some code simplifications and macro renaming (for clarity) in various
functions of libata-core (from me)
- Add a missing check for a potential failure of sata_scr_read() in
sata_print_link_status() (from Li)
- Cleanup of libata Kconfig PATA_PLATFORM and PATA_OF_PLATFORM options
(from Lukas)
- Cleanups of ata dt-bindings and improvements of libahci_platform,
ahci and libahci code (from Serge)
- New driver for Synopsys AHCI SATA controllers, based of the generic
ahci code (from Serge). One compilation warning fix is added for this
driver (from me)
- Several fixes to macros used to discover a drive capabilities to be
consistent with the ACS specifications (from Niklas)
- A couple of simplifcations to some libata functions, removing
unnecessary arguments (from Niklas)
- An improvements to libata-eh code to avoid unnecessary link reset
when revalidating a drive after a failed command. In practice, this
extra, unneeded reset, reset does not cause any arm beyond slightly
slowing down error recovery (from Niklas)
* tag 'ata-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (45 commits)
ata: libata-eh: avoid needless hard reset when revalidating link
ata: libata: drop superfluous ata_eh_analyze_tf() parameter
ata: libata: drop superfluous ata_eh_request_sense() parameter
ata: fix ata_id_has_dipm()
ata: fix ata_id_has_ncq_autosense()
ata: fix ata_id_has_devslp()
ata: fix ata_id_sense_reporting_enabled() and ata_id_has_sense_reporting()
ata: libata-eh: Remove the unneeded result variable
ata: ahci_st: Enable compile test
ata: ahci_st: Fix compilation warning
MAINTAINERS: Add maintainers for DWC AHCI SATA driver
ata: ahci-dwc: Add Baikal-T1 AHCI SATA interface support
ata: ahci-dwc: Add platform-specific quirks support
dt-bindings: ata: ahci: Add Baikal-T1 AHCI SATA controller DT schema
ata: ahci: Add DWC AHCI SATA controller support
ata: libahci_platform: Add function returning a clock-handle by id
dt-bindings: ata: ahci: Add DWC AHCI SATA controller DT schema
ata: ahci: Introduce firmware-specific caps initialization
ata: ahci: Convert __ahci_port_base to accepting hpriv as arguments
ata: libahci: Don't read AHCI version twice in the save-config method
...
We've excluded gmch platforms from writing the final watermarks
for any disabled pipe. IIRC the reason was perhaps some lingering
issue with the watermark merging across the pipes. But I can't
really see any reason for this anymore, so let's unify this behaviour.
The main benefit being more consistency in register dumps when
we don't have stale watermarks hanging around in the registers.
Functionally there should be no difference as the hardware just
ignore all of it when the pipe is disabled.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220622155452.32587-9-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Like most other plane control register bits, the pipe gamma
enable bit is also blocked by CxSR. So make sure we kick the
machine out of CxSR before trying to change that bit.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220622155452.32587-8-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
On g4x/vlv/chv the hardware seems incapable of changing the pixel
format, rotation, or YUV->RGB CSC matrix while in CxSR.
Additionally on VLV/CHV the sprites seem incapable of tiling
changes while in CxSR. On g4x CxSR is not even possible with
the sprite enabled. Curiously the primary plane seems perfectly
happy when changing tiling during CxSR.
Pimp up the code to account for these when determining whether
CxSR needs to be disabled. Since it looks like most of the plane
control register bits are affected let's just compare that.
But in the name of efficiency we'll make an exception for the
primary plane tiling changes (avoids some extra vblank waits).
v2: Just use the pre-computed plane control register values
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220622155452.32587-7-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Rename a few functions from intel_crtc_foo_init() to
intel_foo_crtc_init() so that the namespaec clearly
indicates what feature/file we're talking about.
I left out intel_crtc_crc_init() because the whole crc
stuff uses intel_crtc_ as its namespace currently.
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221004150929.23910-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
sched:
- revert patch causing oopses
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Merge tag 'drm-next-2022-10-07-1' of git://anongit.freedesktop.org/drm/drm
Pull drm fix from Dave Airlie:
"This reverts the patch I found with rough bisection to instability
around fences and the oops I got from netconsole.
sched:
- revert patch causing oopses"
* tag 'drm-next-2022-10-07-1' of git://anongit.freedesktop.org/drm/drm:
Revert "drm/sched: Use parent fence instead of finished"
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Merge tag 'for-6.1/passthrough-2022-10-04' of git://git.kernel.dk/linux
Pull passthrough updates from Jens Axboe:
"With these changes, passthrough NVMe support over io_uring now
performs at the same level as block device O_DIRECT, and in many cases
6-8% better.
This contains:
- Add support for fixed buffers for passthrough (Anuj, Kanchan)
- Enable batched allocations and freeing on passthrough, similarly to
what we support on the normal storage path (me)
- Fix from Geert fixing an issue with !CONFIG_IO_URING"
* tag 'for-6.1/passthrough-2022-10-04' of git://git.kernel.dk/linux:
io_uring: Add missing inline to io_uring_cmd_import_fixed() dummy
nvme: wire up fixed buffer support for nvme passthrough
nvme: pass ubuffer as an integer
block: extend functionality to map bvec iterator
block: factor out blk_rq_map_bio_alloc helper
block: rename bio_map_put to blk_mq_map_bio_put
nvme: refactor nvme_alloc_request
nvme: refactor nvme_add_user_metadata
nvme: Use blk_rq_map_user_io helper
scsi: Use blk_rq_map_user_io helper
block: add blk_rq_map_user_io
io_uring: introduce fixed buffer support for io_uring_cmd
io_uring: add io_uring_cmd_import_fixed
nvme: enable batched completions of passthrough IO
nvme: split out metadata vs non metadata end_io uring_cmd completions
block: allow end_io based requests in the completion batch handling
block: change request end_io handler to pass back a return value
block: enable batched allocation for blk_mq_alloc_request()
block: kill deprecated BUG_ON() in the flush handling
Some momory will be left in offline state when calling
offline_memory_expect_fail() failed. Restore it before exit.
Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add checking for online_memory_expect_success()/
offline_memory_expect_success()/offline_memory_expect_fail(), or
the test would exit 0 although the functions return 1.
Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
kunit_tool's --alltests option was changed in commit
980ac3ad05 ("kunit: tool: rename all_test_uml.config, use it for --alltests")
to use a manually curated list of architecture-indpendent Kconfig
options, rather than attempting to use make allyesconfig on UML, which
was broken.
Update the kunit_tool documentation to reflect the new behaviour of
--alltests.
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Everywhere we use the assert structs now takes them via const*, as of
commit 7466886b40 ("kunit: take `kunit_assert` as `const`").
So now let's properly declare the structs as const as well.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Merge tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- NVMe pull requests via Christoph:
- handle number of queue changes in the TCP and RDMA drivers
(Daniel Wagner)
- allow changing the number of queues in nvmet (Daniel Wagner)
- also consider host_iface when checking ip options (Daniel
Wagner)
- don't map pages which can't come from HIGHMEM (Fabio M. De
Francesco)
- avoid unnecessary flush bios in nvmet (Guixin Liu)
- shrink and better pack the nvme_iod structure (Keith Busch)
- add comment for unaligned "fake" nqn (Linjun Bao)
- print actual source IP address through sysfs "address" attr
(Martin Belanger)
- various cleanups (Jackie Liu, Wolfram Sang, Genjian Zhang)
- handle effects after freeing the request (Keith Busch)
- copy firmware_rev on each init (Keith Busch)
- restrict management ioctls to admin (Keith Busch)
- ensure subsystem reset is single threaded (Keith Busch)
- report the actual number of tagset maps in nvme-pci (Keith
Busch)
- small fabrics authentication fixups (Christoph Hellwig)
- add common code for tagset allocation and freeing (Christoph
Hellwig)
- stop using the request_queue in nvmet (Christoph Hellwig)
- set min_align_mask before calculating max_hw_sectors (Rishabh
Bhatnagar)
- send a rediscover uevent when a persistent discovery controller
reconnects (Sagi Grimberg)
- misc nvmet-tcp fixes (Varun Prakash, zhenwei pi)
- MD pull request via Song:
- Various raid5 fix and clean up, by Logan Gunthorpe and David
Sloan.
- Raid10 performance optimization, by Yu Kuai.
- sbitmap wakeup hang fixes (Hugh, Keith, Jan, Yu)
- IO scheduler switching quisce fix (Keith)
- s390/dasd block driver updates (Stefan)
- support for recovery for the ublk driver (ZiyangZhang)
- rnbd drivers fixes and updates (Guoqing, Santosh, ye, Christoph)
- blk-mq and null_blk map fixes (Bart)
- various bcache fixes (Coly, Jilin, Jules)
- nbd signal hang fix (Shigeru)
- block writeback throttling fix (Yu)
- optimize the passthrough mapping handling (me)
- prepare block cgroups to being gendisk based (Christoph)
- get rid of an old PSI hack in the block layer, moving it to the
callers instead where it belongs (Christoph)
- blk-throttle fixes and cleanups (Yu)
- misc fixes and cleanups (Liu Shixin, Liu Song, Miaohe, Pankaj,
Ping-Xiang, Wolfram, Saurabh, Li Jinlin, Li Lei, Lin, Li zeming,
Miaohe, Bart, Coly, Gaosheng
* tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux: (162 commits)
sbitmap: fix lockup while swapping
block: add rationale for not using blk_mq_plug() when applicable
block: adapt blk_mq_plug() to not plug for writes that require a zone lock
s390/dasd: use blk_mq_alloc_disk
blk-cgroup: don't update the blkg lookup hint in blkg_conf_prep
nvmet: don't look at the request_queue in nvmet_bdev_set_limits
nvmet: don't look at the request_queue in nvmet_bdev_zone_mgmt_emulate_all
blk-mq: use quiesced elevator switch when reinitializing queues
block: replace blk_queue_nowait with bdev_nowait
nvme: remove nvme_ctrl_init_connect_q
nvme-loop: use the tagset alloc/free helpers
nvme-loop: store the generic nvme_ctrl in set->driver_data
nvme-loop: initialize sqsize later
nvme-fc: use the tagset alloc/free helpers
nvme-fc: store the generic nvme_ctrl in set->driver_data
nvme-fc: keep ctrl->sqsize in sync with opts->queue_size
nvme-rdma: use the tagset alloc/free helpers
nvme-rdma: store the generic nvme_ctrl in set->driver_data
nvme-tcp: use the tagset alloc/free helpers
nvme-tcp: store the generic nvme_ctrl in set->driver_data
...
Context:
Currently this macro's name, KUNIT_ASSERTION conflicts with the name of
an enum whose values are {KUNIT_EXPECTATION, KUNIT_ASSERTION}.
It's hard to think of a better name for the enum, so rename this macro.
It's also a bit strange that the macro might do nothing depending on the
boolean argument `pass`. Why not have callers check themselves?
This patch:
Moves the pass/fail checking into the callers of KUNIT_ASSERTION, so now
we only call it when the check has failed.
Then we rename the macro the _KUNIT_FAILED() to reflect the new
semantics.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Each calll to a KUNIT_EXPECT_*() macro creates a local variable which
contains a struct kunit_assert.
Normally, we'd hope the compiler would be able to optimize this away,
but we've seen cases where it hasn't, see
https://groups.google.com/g/kunit-dev/c/i3fZXgvBrfA/m/GbrMNej2BAAJ.
In changes like commit 21957f90b2 ("kunit: split out part of
kunit_assert into a static const"), we've moved more and more parts out
of struct kunit_assert and its children types (kunit_binary_assert).
This patch removes the final field and gets us to:
sizeof(struct kunit_assert) == 0
sizeof(struct kunit_binary_assert) == 24 (on UML x86_64).
This also reduces the amount of macro plumbing going on at the cost of
passing in one more arg to the base KUNIT_ASSERTION macro and
kunit_do_failed_assertion().
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When running a RISC-V test kernel under QEMU, we need an OpenSBI BIOS
file. In the original QEMU support patchset, kunit_tool would optionally
download this file from GitHub if it didn't exist, using wget.
These days, it can usually be found in the distro's qemu-system-riscv
package, and is located in /usr/share/qemu on all the distros I tried
(Debian, Arch, OpenSUSE). Use this file, and thereby don't do any
downloading in kunit_tool.
In addition, we used to shell out to whatever 'wget' was in the path,
which could have potentially been used to trick the developer into
running another binary. By not using wget at all, we nicely sidestep
this issue.
Cc: Xu Panda <xu.panda@zte.com.cn>
Fixes: 87c9c16317 ("kunit: tool: add support for QEMU")
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: David Gow <davidgow@google.com>
Tested-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The real kfree() function will silently return when given a NULL.
So a user might reasonably think they can write the following code:
char *buffer = NULL;
if (param->use_buffer) buffer = kunit_kzalloc(test, 10, GFP_KERNEL);
...
kunit_kfree(test, buffer);
As-is, kunit_kfree() will mark the test as FAILED when buffer is NULL.
(And in earlier times, it would segfault).
Let's match the semantics of kfree().
Suggested-by: David Gow <davidgow@google.com>
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
kunit_kfree() can only work on data ("resources") allocated by KUnit.
Currently for code like this,
> void *ptr = kmalloc(4, GFP_KERNEL);
> kunit_kfree(test, ptr);
kunit_kfree() will segfault.
It'll try and look up the kunit_resource associated with `ptr` and get a
NULL back, but it won't check for this. This means we also segfault if
you double-free.
Change kunit_kfree() so it'll notice these invalid pointers and respond
by failing the test.
Implementation: kunit_destroy_resource() does what kunit_kfree() does,
but is more generic and returns -ENOENT when it can't find the resource.
Sadly, unlike just letting it crash, this means we don't get a stack
trace. But kunit_kfree() is so infrequently used it shouldn't be hard to
track down the bad callsite anyways.
After this change, the above code gives:
> # example_simple_test: EXPECTATION FAILED at lib/kunit/test.c:702
> kunit_kfree: 00000000626ec200 already freed or not allocated by kunit
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
kunit_kfree() exists to clean up allocations from kunit_kmalloc() and
friends early instead of waiting for this to happen automatically at the
end of the test.
But it can be used on *anything* registered with the kunit resource API.
E.g. the last 2 statements are equivalent:
struct kunit_resource *res = something();
kfree(res->data);
kunit_put_resource(res);
The problem is that there could be multiple resources that point to the
same `data`.
E.g. you can have a named resource acting as a pseudo-global variable in
a test. If you point it to data allocated with kunit_kmalloc(), then
calling `kunit_kfree(ptr)` has the chance to delete either the named
resource or to kfree `ptr`.
Which one it does depends on the order the resources are registered as
kunit_kfree() will delete resources in LIFO order.
So this patch restricts kunit_kfree() to only working on resources
created by kunit_kmalloc(). Calling it is therefore guaranteed to free
the memory, not do anything else.
Note: kunit_resource_instance_match() wasn't used outside of KUnit, so
it should be safe to remove from the public interface. It's also
generally dangerous, as shown above, and shouldn't be used.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
We already store the `struct kunit *test` in the string_stream object
itself, so we need don't need to store a copy of this pointer in every
fragment in the stream.
Drop it, getting string_stream_fragment down the bare minimum: a
list_head and the `char *` with the actual fragment.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Currently, KUnit's string streams are themselves "KUnit resources".
This is redundant since the stream itself is already allocated with
kunit_kzalloc() and will thus be freed automatically at the end of the
test.
string-stream is only used internally within KUnit, and isn't using the
extra features that resources provide like reference counting, being
able to locate them dynamically as "test-local variables", etc.
Indeed, the resource's refcount is never incremented when the
pointer is returned. The fact that it's always manually destroyed is
more evidence that the reference counting is unused.
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When looking the stored result for a cached path node, if the stored
result is valid and has a value of true, we must update all the nodes for
all levels below it with a result of true as well. This is necessary when
moving from one leaf in the fs tree to the next one, as well as when
moving from a node at any level to the next node at the same level.
Currently this logic is missing as it was somehow forgotten by a recent
patch with the subject: "btrfs: speedup checking for extent sharedness
during fiemap".
This adds the missing logic, which is the counter part to what we do
when adding a shared node to the cache at store_backref_shared_cache().
Fixes: 12a824dc67 ("btrfs: speedup checking for extent sharedness during fiemap")
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Merge tag 'for-6.1/io_uring-2022-10-03' of git://git.kernel.dk/linux
Pull io_uring updates from Jens Axboe:
- Add supported for more directly managed task_work running.
This is beneficial for real world applications that end up issuing
lots of system calls as part of handling work. Normal task_work will
always execute as we transition in and out of the kernel, even for
"unrelated" system calls. It's more efficient to defer the handling
of io_uring's deferred work until the application wants it to be run,
generally in batches.
As part of ongoing work to write an io_uring network backend for
Thrift, this has been shown to greatly improve performance. (Dylan)
- Add IOPOLL support for passthrough (Kanchan)
- Improvements and fixes to the send zero-copy support (Pavel)
- Partial IO handling fixes (Pavel)
- CQE ordering fixes around CQ ring overflow (Pavel)
- Support sendto() for non-zc as well (Pavel)
- Support sendmsg for zerocopy (Pavel)
- Networking iov_iter fix (Stefan)
- Misc fixes and cleanups (Pavel, me)
* tag 'for-6.1/io_uring-2022-10-03' of git://git.kernel.dk/linux: (56 commits)
io_uring/net: fix notif cqe reordering
io_uring/net: don't update msg_name if not provided
io_uring: don't gate task_work run on TIF_NOTIFY_SIGNAL
io_uring/rw: defer fsnotify calls to task context
io_uring/net: fix fast_iov assignment in io_setup_async_msg()
io_uring/net: fix non-zc send with address
io_uring/net: don't skip notifs for failed requests
io_uring/rw: don't lose short results on io_setup_async_rw()
io_uring/rw: fix unexpected link breakage
io_uring/net: fix cleanup double free free_iov init
io_uring: fix CQE reordering
io_uring/net: fix UAF in io_sendrecv_fail()
selftest/net: adjust io_uring sendzc notif handling
io_uring: ensure local task_work marks task as running
io_uring/net: zerocopy sendmsg
io_uring/net: combine fail handlers
io_uring/net: rename io_sendzc()
io_uring/net: support non-zerocopy sendto
io_uring/net: refactor io_setup_async_addr
io_uring/net: don't lose partial send_zc on fail
...
Pull ext2, udf, reiserfs, and quota updates from Jan Kara:
- Fix for udf to make splicing work again
- More disk format sanity checks for ext2 to avoid crashes found by
syzbot
- More quota disk format checks to avoid crashes found by fuzzing
- Reiserfs & isofs cleanups
* tag 'fs-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Add more checking after reading from quota file
quota: Replace all block number checking with helper function
quota: Check next/prev free block number after reading from quota file
ext2: Use kvmalloc() for group descriptor array
ext2: Add sanity checks for group and filesystem size
udf: Support splicing to file
isofs: delete unnecessary checks before brelse()
fs/reiserfs: replace ternary operator with min() and min_t()
Pull fsnotify updates from Jan Kara:
"Two cleanups for fsnotify code"
* tag 'fsnotify-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: Remove obsoleted fanotify_event_has_path()
fsnotify: remove unused declaration
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Merge tag '6.1-rc-ksmbd-fixes' of git://git.samba.org/ksmbd
Pull ksmbd updates from Steve French:
- RDMA (smbdirect) fixes
- fixes for SMB3.1.1 POSIX Extensions (especially for id mapping)
- various casemapping fixes for mount and lookup
- UID mapping fixes
- fix confusing error message
- protocol negotiation fixes, including NTLMSSP fix
- two encryption fixes
- directory listing fix
- some cleanup fixes
* tag '6.1-rc-ksmbd-fixes' of git://git.samba.org/ksmbd: (24 commits)
ksmbd: validate share name from share config response
ksmbd: call ib_drain_qp when disconnected
ksmbd: make utf-8 file name comparison work in __caseless_lookup()
ksmbd: Fix user namespace mapping
ksmbd: hide socket error message when ipv6 config is disable
ksmbd: reduce server smbdirect max send/receive segment sizes
ksmbd: decrease the number of SMB3 smbdirect server SGEs
ksmbd: Fix wrong return value and message length check in smb2_ioctl()
ksmbd: set NTLMSSP_NEGOTIATE_SEAL flag to challenge blob
ksmbd: fix encryption failure issue for session logoff response
ksmbd: fix endless loop when encryption for response fails
ksmbd: fill sids in SMB_FIND_FILE_POSIX_INFO response
ksmbd: set file permission mode to match Samba server posix extension behavior
ksmbd: change security id to the one samba used for posix extension
ksmbd: update documentation
ksmbd: casefold utf-8 share names and fix ascii lowercase conversion
ksmbd: port to vfs{g,u}id_t and associated helpers
ksmbd: fix incorrect handling of iterate_dir
MAINTAINERS: remove Hyunchul Lee from ksmbd maintainers
MAINTAINERS: Add Tom Talpey as ksmbd reviewer
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