b51cd7c834
935158 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Gal Pressman
|
d29d58e772 |
RDMA/mlx5: Remove FMR leftovers
Remove a few leftovers from FMR functionality which are no longer used. Link: https://lore.kernel.org/r/5-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com Signed-off-by: Gal Pressman <galpress@amazon.com> Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Acked-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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Max Gurtovoy
|
4e373d5417 |
RDMA/core: Remove FMR pool API
This ancient and unsafe method for memory registration is no longer used by any RDMA based ULP. Remove the FMR pool API from the core driver. Link: https://lore.kernel.org/r/4-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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Max Gurtovoy
|
07549ee21c |
RDMA/rds: Remove FMR support for memory registration
Use FRWR method for memory registration by default and remove the ancient and unsafe FMR method. Link: https://lore.kernel.org/r/3-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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Max Gurtovoy
|
f273ad4f8d |
RDMA/srp: Remove support for FMR memory registration
FMR is not supported on most recent RDMA devices (that use fast memory registration mechanism). Also, FMR was recently removed from NFS/RDMA ULP. Link: https://lore.kernel.org/r/2-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Israel Rukshin <israelr@mellanox.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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Israel Rukshin
|
1fc431320a |
RDMA/iser: Remove support for FMR memory registration
FMR is not supported on most recent RDMA devices (that use fast memory registration mechanism). Also, FMR was recently removed from NFS/RDMA ULP. Link: https://lore.kernel.org/r/1-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com Signed-off-by: Israel Rukshin <israelr@mellanox.com> Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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Stefan Hajnoczi
|
56f2e3b7d8 |
capabilities: add description for CAP_SETFCAP
Document the purpose of CAP_SETFCAP. For some reason this capability had no description while the others did. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: James Morris <jmorris@namei.org> |
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Jens Axboe
|
fd2206e4e9 |
io_uring: disallow close of ring itself
A previous commit enabled this functionality, which also enabled O_PATH
to work correctly with io_uring. But we can't safely close the ring
itself, as the file handle isn't reference counted inside
io_uring_enter(). Instead of jumping through hoops to enable ring
closure, add a "soft" ->needs_file option, ->needs_file_no_error. This
enables O_PATH file descriptors to work, but still catches the case of
trying to close the ring itself.
Reported-by: Jann Horn <jannh@google.com>
Fixes:
|
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yu kuai
|
a75ca93031 |
block/bio-integrity: don't free 'buf' if bio_integrity_add_page() failed
commit |
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Thadeu Lima de Souza Cascardo
|
065fcfd497 |
selftests: net: ip_defrag: ignore EPERM
When running with conntrack rules, the dropped overlap fragments may cause EPERM to be returned to sendto. Instead of completely failing, just ignore those errors and continue. If this causes packets with overlap fragments to be dropped as expected, that is okay. And if it causes packets that are expected to be received to be dropped, which should not happen, it will be detected as failure. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
|
1ee08de1e2 |
for-5.8/io_uring-2020-06-01
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Merge tag 'for-5.8/io_uring-2020-06-01' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"A relatively quiet round, mostly just fixes and code improvements. In
particular:
- Make statx just use the generic statx handler, instead of open
coding it. We don't need that anymore, as we always call it async
safe (Bijan)
- Enable closing of the ring itself. Also fixes O_PATH closure (me)
- Properly name completion members (me)
- Batch reap of dead file registrations (me)
- Allow IORING_OP_POLL with double waitqueues (me)
- Add tee(2) support (Pavel)
- Remove double off read (Pavel)
- Fix overflow cancellations (Pavel)
- Improve CQ timeouts (Pavel)
- Async defer drain fixes (Pavel)
- Add support for enabling/disabling notifications on a registered
eventfd (Stefano)
- Remove dead state parameter (Xiaoguang)
- Disable SQPOLL submit on dying ctx (Xiaoguang)
- Various code cleanups"
* tag 'for-5.8/io_uring-2020-06-01' of git://git.kernel.dk/linux-block: (29 commits)
io_uring: fix overflowed reqs cancellation
io_uring: off timeouts based only on completions
io_uring: move timeouts flushing to a helper
statx: hide interfaces no longer used by io_uring
io_uring: call statx directly
statx: allow system call to be invoked from io_uring
io_uring: add io_statx structure
io_uring: get rid of manual punting in io_close
io_uring: separate DRAIN flushing into a cold path
io_uring: don't re-read sqe->off in timeout_prep()
io_uring: simplify io_timeout locking
io_uring: fix flush req->refs underflow
io_uring: don't submit sqes when ctx->refs is dying
io_uring: async task poll trigger cleanup
io_uring: add tee(2) support
splice: export do_tee()
io_uring: don't repeat valid flag list
io_uring: rename io_file_put()
io_uring: remove req->needs_fixed_files
io_uring: cleanup io_poll_remove_one() logic
...
|
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Linus Torvalds
|
bce159d734 |
for-5.8/drivers-2020-06-01
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Merge tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"On top of the core changes, here are the block driver changes for this
merge window:
- NVMe changes:
- NVMe over Fibre Channel protocol updates, which also reach
over to drivers/scsi/lpfc (James Smart)
- namespace revalidation support on the target (Anthony
Iliopoulos)
- gcc zero length array fix (Arnd Bergmann)
- nvmet cleanups (Chaitanya Kulkarni)
- misc cleanups and fixes (me, Keith Busch, Sagi Grimberg)
- use a SRQ per completion vector (Max Gurtovoy)
- fix handling of runtime changes to the queue count (Weiping
Zhang)
- t10 protection information support for nvme-rdma and
nvmet-rdma (Israel Rukshin and Max Gurtovoy)
- target side AEN improvements (Chaitanya Kulkarni)
- various fixes and minor improvements all over, icluding the
nvme part of the lpfc driver"
- Floppy code cleanup series (Willy, Denis)
- Floppy contention fix (Jiri)
- Loop CONFIGURE support (Martijn)
- bcache fixes/improvements (Coly, Joe, Colin)
- q->queuedata cleanups (Christoph)
- Get rid of ioctl_by_bdev (Christoph, Stefan)
- md/raid5 allocation fixes (Coly)
- zero length array fixes (Gustavo)
- swim3 task state fix (Xu)"
* tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block: (166 commits)
bcache: configure the asynchronous registertion to be experimental
bcache: asynchronous devices registration
bcache: fix refcount underflow in bcache_device_free()
bcache: Convert pr_<level> uses to a more typical style
bcache: remove redundant variables i and n
lpfc: Fix return value in __lpfc_nvme_ls_abort
lpfc: fix axchg pointer reference after free and double frees
lpfc: Fix pointer checks and comments in LS receive refactoring
nvme: set dma alignment to qword
nvmet: cleanups the loop in nvmet_async_events_process
nvmet: fix memory leak when removing namespaces and controllers concurrently
nvmet-rdma: add metadata/T10-PI support
nvmet: add metadata support for block devices
nvmet: add metadata/T10-PI support
nvme: add Metadata Capabilities enumerations
nvmet: rename nvmet_check_data_len to nvmet_check_transfer_len
nvmet: rename nvmet_rw_len to nvmet_rw_data_len
nvmet: add metadata characteristics for a namespace
nvme-rdma: add metadata/T10-PI support
nvme-rdma: introduce nvme_rdma_sgl structure
...
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Vasily Averin
|
e8224bfe77 |
net_failover: fixed rollback in net_failover_open()
found by smatch:
drivers/net/net_failover.c:65 net_failover_open() error:
we previously assumed 'primary_dev' could be null (see line 43)
Fixes:
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Linus Torvalds
|
750a02ab8d |
for-5.8/block-2020-06-01
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Hugh Dickins
|
1966391fa5 |
mm/migrate.c: attach_page_private already does the get_page
Just finished bisecting mmotm, to find why a test which used to take
four minutes now took more than an hour: the __buffer_migrate_page()
cleanup left behind a get_page() which attach_page_private() now does.
Fixes:
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David S. Miller
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241d46dce9 |
Merge branch 'tipc-revert-two-patches'
Tuong Lien says: ==================== tipc: revert two patches We revert two patches: tipc: Fix potential tipc_node refcnt leak in tipc_rcv tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv which prevented TIPC encryption from working properly and caused kernel panic. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Tuong Lien
|
a275727b18 |
Revert "tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv"
This reverts commit
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Tuong Lien
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049fa17f7a |
Revert "tipc: Fix potential tipc_node refcnt leak in tipc_rcv"
This reverts commit
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Ronak Doshi
|
11e877b2a8 |
vmxnet3: allow rx flow hash ops only when rss is enabled
It makes sense to allow changes to get/set rx flow hash callback only when rss is enabled. This patch restricts get_rss_hash_opts and set_rss_hash_opts methods to allow querying and configuring different Rx flow hash configurations only when rss is enabled Signed-off-by: Ronak Doshi <doshir@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Luo bin
|
2eed5a8b61 |
hinic: add set_channels ethtool_ops support
add support to change TX/RX queue number with "ethtool -L combined".
V5 -> V6: remove check for carrier in hinic_xmit_frame
V4 -> V5: change time zone in patch header
V3 -> V4: update date in patch header
V2 -> V3: remove check for zero channels->combined_count
V1 -> V2: update commit message("ethtool -L" to "ethtool -L combined")
V0 -> V1: remove check for channels->tx_count/rx_count/other_count
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller
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9a5a908c38 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says: ==================== pull-request: bpf-next 2020-06-02 The following pull-request contains BPF _fixes-only_ for your *net-next* tree. We've added 10 non-merge commits during the last 1 day(s) which contain a total of 15 files changed, 229 insertions(+), 74 deletions(-). The main changes are: 1) Several fixes to s390 BPF JIT e.g. fixing kernel panic when BPF stack is not 8-byte aligned, from Ilya Leoshkevich. 2) Fix bpf_skb_adjust_room() helper's CHECKSUM_UNNECESSARY handling which was wrongly bypassing TCP checksum verification, from Daniel Borkmann. 3) Fix tools/bpf/ build under MAKEFLAGS=rR which causes built-in CXX and others vars to be undefined, also from Ilya Leoshkevich. 4) Fix BPF ringbuf's selftest shared sample_cnt variable to avoid compiler optimizations on it, from Andrii Nakryiko. 5) Fix up test_verifier selftest due to addition of rx_queue_mapping to the bpf_sock structure, from Alexei Starovoitov. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
|
faa392181a |
drm pull for 5.8-rc1
core:
- uapi: error out EBUSY when existing master
- uapi: rework SET/DROP MASTER permission handling
- remove drm_pci.h
- drm_pci* are now legacy
- introduced managed DRM resources
- subclassing support for drm_framebuffer
- simple encoder helper
- edid improvements
- vblank + writeback documentation improved
- drm/mm - optimise tree searches
- port drivers to use devm_drm_dev_alloc
dma-buf:
- add flag for p2p buffer support
mst:
- ACT timeout improvements
- remove drm_dp_mst_has_audio
- don't use 2nd TX slot - spec recommends against it
bridge:
- dw-hdmi various improvements
- chrontel ch7033 support
- fix stack issues with old gcc
hdmi:
- add unpack function for drm infoframe
fbdev:
- misc fbdev driver fixes
i915:
- uapi: global sseu pinning
- uapi: OA buffer polling
- uapi: remove generated perf code
- uapi: per-engine default property values in sysfs
- Tigerlake GEN12 enabled.
- Lots of gem refactoring
- Tigerlake enablement patches
- move to drm_device logging
- Icelake gamma HW readout
- push MST link retrain to hotplug work
- bandwidth atomic helpers
- ICL fixes
- RPS/GT refactoring
- Cherryview full-ppgtt support
- i915 locking guidelines documented
- require linear fb stride to be 512 multiple on gen9
- Tigerlake SAGV support
amdgpu:
- uapi: encrypted GPU memory handling
- uapi: add MEM_SYNC IB flag
- p2p dma-buf support
- export VRAM dma-bufs
- FRU chip access support
- RAS/SR-IOV updates
- Powerplay locking fixes
- VCN DPG (powergating) enablement
- GFX10 clockgating fixes
- DC fixes
- GPU reset fixes
- navi SDMA fix
- expose FP16 for modesetting
- DP 1.4 compliance fixes
- gfx10 soft recovery
- Improved Critical Thermal Faults handling
- resizable BAR on gmc10
amdkfd:
- uapi: GWS resource management
- track GPU memory per process
- report PCI domain in topology
radeon:
- safe reg list generator fixes
nouveau:
- HD audio fixes on recent systems
- vGPU detection (fail probe if we're on one, for now)
- Interlaced mode fixes (mostly avoidance on Turing, which doesn't support it)
- SVM improvements/fixes
- NVIDIA format modifier support
- Misc other fixes.
adv7511:
- HDMI SPDIF support
ast:
- allocate crtc state size
- fix double assignment
- fix suspend
bochs:
- drop connector register
cirrus:
- move to tiny drivers.
exynos:
- fix imported dma-buf mapping
- enable runtime PM
- fixes and cleanups
mediatek:
- DPI pin mode swap
- config mipi_tx current/impedance
lima:
- devfreq + cooling device support
- task handling improvements
- runtime PM support
pl111:
- vexpress init improvements
- fix module auto-load
rcar-du:
- DT bindings conversion to YAML
- Planes zpos sanity check and fix
- MAINTAINERS entry for LVDS panel driver
mcde:
- fix return value
mgag200:
- use managed config init
stm:
- read endpoints from DT
vboxvideo:
- use PCI managed functions
- drop WC mtrr
vkms:
- enable cursor by default
rockchip:
- afbc support
virtio:
- various cleanups
qxl:
- fix cursor notify port
hisilicon:
- 128-byte stride alignment fix
sun4i:
- improved format handling
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Merge tag 'drm-next-2020-06-02' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Highlights:
- Core DRM had a lot of refactoring around managed drm resources to
make drivers simpler.
- Intel Tigerlake support is on by default
- amdgpu now support p2p PCI buffer sharing and encrypted GPU memory
Details:
core:
- uapi: error out EBUSY when existing master
- uapi: rework SET/DROP MASTER permission handling
- remove drm_pci.h
- drm_pci* are now legacy
- introduced managed DRM resources
- subclassing support for drm_framebuffer
- simple encoder helper
- edid improvements
- vblank + writeback documentation improved
- drm/mm - optimise tree searches
- port drivers to use devm_drm_dev_alloc
dma-buf:
- add flag for p2p buffer support
mst:
- ACT timeout improvements
- remove drm_dp_mst_has_audio
- don't use 2nd TX slot - spec recommends against it
bridge:
- dw-hdmi various improvements
- chrontel ch7033 support
- fix stack issues with old gcc
hdmi:
- add unpack function for drm infoframe
fbdev:
- misc fbdev driver fixes
i915:
- uapi: global sseu pinning
- uapi: OA buffer polling
- uapi: remove generated perf code
- uapi: per-engine default property values in sysfs
- Tigerlake GEN12 enabled.
- Lots of gem refactoring
- Tigerlake enablement patches
- move to drm_device logging
- Icelake gamma HW readout
- push MST link retrain to hotplug work
- bandwidth atomic helpers
- ICL fixes
- RPS/GT refactoring
- Cherryview full-ppgtt support
- i915 locking guidelines documented
- require linear fb stride to be 512 multiple on gen9
- Tigerlake SAGV support
amdgpu:
- uapi: encrypted GPU memory handling
- uapi: add MEM_SYNC IB flag
- p2p dma-buf support
- export VRAM dma-bufs
- FRU chip access support
- RAS/SR-IOV updates
- Powerplay locking fixes
- VCN DPG (powergating) enablement
- GFX10 clockgating fixes
- DC fixes
- GPU reset fixes
- navi SDMA fix
- expose FP16 for modesetting
- DP 1.4 compliance fixes
- gfx10 soft recovery
- Improved Critical Thermal Faults handling
- resizable BAR on gmc10
amdkfd:
- uapi: GWS resource management
- track GPU memory per process
- report PCI domain in topology
radeon:
- safe reg list generator fixes
nouveau:
- HD audio fixes on recent systems
- vGPU detection (fail probe if we're on one, for now)
- Interlaced mode fixes (mostly avoidance on Turing, which doesn't support it)
- SVM improvements/fixes
- NVIDIA format modifier support
- Misc other fixes.
adv7511:
- HDMI SPDIF support
ast:
- allocate crtc state size
- fix double assignment
- fix suspend
bochs:
- drop connector register
cirrus:
- move to tiny drivers.
exynos:
- fix imported dma-buf mapping
- enable runtime PM
- fixes and cleanups
mediatek:
- DPI pin mode swap
- config mipi_tx current/impedance
lima:
- devfreq + cooling device support
- task handling improvements
- runtime PM support
pl111:
- vexpress init improvements
- fix module auto-load
rcar-du:
- DT bindings conversion to YAML
- Planes zpos sanity check and fix
- MAINTAINERS entry for LVDS panel driver
mcde:
- fix return value
mgag200:
- use managed config init
stm:
- read endpoints from DT
vboxvideo:
- use PCI managed functions
- drop WC mtrr
vkms:
- enable cursor by default
rockchip:
- afbc support
virtio:
- various cleanups
qxl:
- fix cursor notify port
hisilicon:
- 128-byte stride alignment fix
sun4i:
- improved format handling"
* tag 'drm-next-2020-06-02' of git://anongit.freedesktop.org/drm/drm: (1401 commits)
drm/amd/display: Fix potential integer wraparound resulting in a hang
drm/amd/display: drop cursor position check in atomic test
drm/amdgpu: fix device attribute node create failed with multi gpu
drm/nouveau: use correct conflicting framebuffer API
drm/vblank: Fix -Wformat compile warnings on some arches
drm/amdgpu: Sync with VM root BO when switching VM to CPU update mode
drm/amd/display: Handle GPU reset for DC block
drm/amdgpu: add apu flags (v2)
drm/amd/powerpay: Disable gfxoff when setting manual mode on picasso and raven
drm/amdgpu: fix pm sysfs node handling (v2)
drm/amdgpu: move gpu_info parsing after common early init
drm/amdgpu: move discovery gfx config fetching
drm/nouveau/dispnv50: fix runtime pm imbalance on error
drm/nouveau: fix runtime pm imbalance on error
drm/nouveau: fix runtime pm imbalance on error
drm/nouveau/debugfs: fix runtime pm imbalance on error
drm/nouveau/nouveau/hmm: fix migrate zero page to GPU
drm/nouveau/nouveau/hmm: fix nouveau_dmem_chunk allocations
drm/nouveau/kms/nv50-: Share DP SST mode_valid() handling with MST
drm/nouveau/kms/nv50-: Move 8BPC limit for MST into nv50_mstc_get_modes()
...
|
||
|
Linus Torvalds
|
cfa3b8068b |
hmm related patches for 5.8
This series adds a selftest for hmm_range_fault() and several of the
DEVICE_PRIVATE migration related actions, and another simplification for
hmm_range_fault()'s API.
- Simplify hmm_range_fault() with a simpler return code, no
HMM_PFN_SPECIAL, and no customizable output PFN format
- Add a selftest for hmm_range_fault() and DEVICE_PRIVATE related
functionality
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Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull hmm updates from Jason Gunthorpe:
"This series adds a selftest for hmm_range_fault() and several of the
DEVICE_PRIVATE migration related actions, and another simplification
for hmm_range_fault()'s API.
- Simplify hmm_range_fault() with a simpler return code, no
HMM_PFN_SPECIAL, and no customizable output PFN format
- Add a selftest for hmm_range_fault() and DEVICE_PRIVATE related
functionality"
* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
MAINTAINERS: add HMM selftests
mm/hmm/test: add selftests for HMM
mm/hmm/test: add selftest driver for HMM
mm/hmm: remove the customizable pfn format from hmm_range_fault
mm/hmm: remove HMM_PFN_SPECIAL
drm/amdgpu: remove dead code after hmm_range_fault()
mm/hmm: make hmm_range_fault return 0 or -1
|
||
Arne Edholm
|
4b68bf9a69 |
ubi: Select fastmap anchor PEBs considering wear level rules
There is a risk that the fastmap anchor PEB is alternating between just two PEBs, the current anchor and the previous anchor that was just deleted. As the fastmap pools gets the first take on free PEBs, the pools may leave no free PEBs to be selected as the new anchor, resulting in the two PEBs alternating behaviour. If the anchor PEBs gets a high erase count the PEBs will not be used by the pools but remain in ubi->free, even more increasing the likelihood they will be used as anchors. Getting stuck using only a couple of PEBs continuously will result in an uneven wear, eventually leading to failure. To fix this: - Choose the fastmap anchor when the most free PEBs are available. This is during rebuilding of the fastmap pools, after the unused pool PEBs are added to ubi->free but before the pools are populated again from the free PEBs. Also reserve an additional second best PEB as a candidate for the next time the fast map anchor is updated. If a better PEB is found the next time the fast map anchor is updated, the candidate is made available for building the pools. - Enable anchor move within the anchor area again as it is useful for distributing wear. - The anchor candidate for the next fastmap update is the most suited free PEB. Check this PEB's erase count during wear leveling. If the wear leveling limit is exceeded, the PEB is considered unsuitable for now. As all other non used anchor area PEBs should be even worse, free up the used anchor area PEB with the lowest erase count. Signed-off-by: Arne Edholm <arne.edholm@axis.com> Signed-off-by: Richard Weinberger <richard@nod.at> |
||
Gustavo A. R. Silva
|
f6e8c47439 |
um: virtio: Replace zero-length array with flexible-array
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
sizeof(flexible-array-member) triggers a warning because flexible array
members have incomplete type[1]. There are some instances of code in
which the sizeof operator is being incorrectly/erroneously applied to
zero-length arrays and the result is zero. Such instances may be hiding
some bugs. So, this work (flexible-array member conversions) will also
help to get completely rid of those sorts of issues.
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit
|
||
Anton Ivanov
|
54ebe4060f |
um: Use fdatasync() when mapping the UBD FSYNC command
We do not need to update the metadata (atime, mtime, etc) on the UBD file and/or the COW file until UML exits. UBD image mtime is checked in UML only when opening the files. After that they are locked and used exclusively by a single UML instance, so there is no point wasting resources on updating metadata on every sync. We can sync data only. The host will always update mtime if a file has been modified upon closing it. Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: Richard Weinberger <richard@nod.at> |
||
Masahiro Yamada
|
0b86ce29cf |
um: Do not evaluate compiler's library path when cleaning
Since commit |
||
Joe Perches
|
4c5a770580 |
um: Neaten vu_err macro definition
Defining a macro with ... and __VA_ARGS__ (without ##) can cause compilation errors if a macro use does not have additional args. Add ## to __VA_ARGS__ in the macro definition. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Richard Weinberger <richard@nod.at> |
||
Marc-André Lureau
|
bc8f8e4e6e |
um: Add a generic "fd" vector transport
Learn to take a pre-opened file-descriptor for vector IO. Instead of teaching the driver to open a FD in multiple ways, it can rely on management layer to do it on its behalf. For example, this allows inheriting a preconfigured device fd or a simple socketpair() setup, without further arguments, privileges or system access by UML. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: Richard Weinberger <richard@nod.at> |
||
Zach van Rijn
|
38bccfbeb0 |
um: Add include: memset() and memcpy() are in <string.h>
These two functions are otherwise unknown to the pedantic compiler. Include the correct header to enable the build to succeed. Signed-off-by: Zach van Rijn <me@zv.io> Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: Richard Weinberger <richard@nod.at> |
||
|
Linus Torvalds
|
194098915a |
PNP update for 5.8-rc1
Replace a zero-length array with a flexible-array (Gustavo A. R. Silva). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl7VGx8SHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxPG4P/i7HmvEzcKD2Bi2oNscTluGa3e6sOCDm d3O8dBVgXjF3cVEJUR6/gs5wct8z4NGgVdK5+ms0AVkZloSrGD9eFykZcJFf0j05 z6oJXIQNPWRcdOah40lUm1u99iPBRQ5WjRs97+/O/3rm5NiBJUukJ8RApleD9Tue ANymVze8Ob06ZyRXrhxJ/gcbGjoaeRO0sGQDBfguQ3EWqzm9bemtmUOIrOxbbY8Z jjkojrT8AW76POMomsfwbPlrmXn7cWozTpwqMKmTaBjiBxpCtcRtMmUBd7jLCoXI 58d9bsIT3q4p9KGl0Ks6JXFmFYaIiY0wivKa1U5Ku7lveHdf7C76clY0e7AFoTxN doSf45ABq42wFKOroE9bsoJw4XpNuCtL9/EWdiDK8A59F4fMKYx1G9oscL0MADiz AvWdHInxejZDChCDRi2pobOKFXFwoF+PseAT0bXfwu8gumxqdvVaxilikZTCJdzU yhkv2cf5sib1eXuQAYEHjgcY69BI9wCQ4jzLzcVtuykSzqXV2pRaWBpRy3zyCAeC QbGfro8+Emi9+A3LQqfTgq3TqvYnx4cP3eCOa5PzybYVrZPQjwdF0JF+NUishImF HjSmHP4VT3trsfXwxHjpsnfQuJpXOr0LLu0JbCgIeU3fcVczzsFhbGSojAEBYjWy owat+NBpbQ4R =xRvl -----END PGP SIGNATURE----- Merge tag 'pnp-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull PNP update from Rafael Wysocki: "Replace a zero-length array with a flexible-array (Gustavo A. R. Silva)" * tag 'pnp-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PNPBIOS: Replace zero-length array with flexible-array |
||
|
Linus Torvalds
|
118d6e9829 |
ACPI updates for 5.8-rc1
- Update the ACPICA code in the kernel to upstream revision
20200430:
* Move acpi_gbl_next_cmd_num definition (Erik Kaneda).
* Ignore AE_ALREADY_EXISTS status in the disassembler when parsing
create operators (Erik Kaneda).
* Add status checks to the dispatcher (Erik Kaneda).
* Fix required parameters for _NIG and _NIH (Erik Kaneda).
* Make acpi_protocol_lengths static (Yue Haibing).
- Fix ACPI table reference counting errors in several places, mostly
in error code paths (Hanjun Guo).
- Extend the Generic Event Device (GED) driver to support _Exx and
_Lxx handler methods (Ard Biesheuvel).
- Add new acpi_evaluate_reg() helper and modify the ACPI PCI hotplug
code to use it (Hans de Goede).
- Add new DPTF battery participant driver and make the DPFT power
participant driver create more sysfs device attributes (Srinivas
Pandruvada).
- Improve the handling of memory failures in APEI (James Morse).
- Add new blacklist entry for Acer TravelMate 5735Z to the backlight
driver (Paul Menzel).
- Add i2c address for thermal control to the PMIC driver (Mauro
Carvalho Chehab).
- Allow the ACPI processor idle driver to work on platforms with
only one ACPI C-state present (Zhang Rui).
- Fix kobject reference count leaks in error code paths in two
places (Qiushi Wu).
- Delete unused proc filename macros and make some symbols static
(Pascal Terjan, Zheng Zengkai, Zou Wei).
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Merge tag 'acpi-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20200430, fix several reference counting errors related to ACPI
tables, add _Exx / _Lxx support to the GED driver, add a new
acpi_evaluate_reg() helper, add new DPTF battery participant driver
and extend the DPFT power participant driver, improve the handling of
memory failures in the APEI code, add a blacklist entry to the
backlight driver, update the PMIC driver and the processor idle
driver, fix two kobject reference count leaks, and make a few janitory
changes.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20200430:
- Move acpi_gbl_next_cmd_num definition (Erik Kaneda).
- Ignore AE_ALREADY_EXISTS status in the disassembler when parsing
create operators (Erik Kaneda).
- Add status checks to the dispatcher (Erik Kaneda).
- Fix required parameters for _NIG and _NIH (Erik Kaneda).
- Make acpi_protocol_lengths static (Yue Haibing).
- Fix ACPI table reference counting errors in several places, mostly
in error code paths (Hanjun Guo).
- Extend the Generic Event Device (GED) driver to support _Exx and
_Lxx handler methods (Ard Biesheuvel).
- Add new acpi_evaluate_reg() helper and modify the ACPI PCI hotplug
code to use it (Hans de Goede).
- Add new DPTF battery participant driver and make the DPFT power
participant driver create more sysfs device attributes (Srinivas
Pandruvada).
- Improve the handling of memory failures in APEI (James Morse).
- Add new blacklist entry for Acer TravelMate 5735Z to the backlight
driver (Paul Menzel).
- Add i2c address for thermal control to the PMIC driver (Mauro
Carvalho Chehab).
- Allow the ACPI processor idle driver to work on platforms with only
one ACPI C-state present (Zhang Rui).
- Fix kobject reference count leaks in error code paths in two places
(Qiushi Wu).
- Delete unused proc filename macros and make some symbols static
(Pascal Terjan, Zheng Zengkai, Zou Wei)"
* tag 'acpi-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe()
ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile()
ACPI: GED: use correct trigger type field in _Exx / _Lxx handling
ACPI: DPTF: Add battery participant driver
ACPI: DPTF: Additional sysfs attributes for power participant driver
ACPI: video: Use native backlight on Acer TravelMate 5735Z
arm64: acpi: Make apei_claim_sea() synchronise with APEI's irq work
ACPI: APEI: Kick the memory_failure() queue for synchronous errors
mm/memory-failure: Add memory_failure_queue_kick()
ACPI / PMIC: Add i2c address for thermal control
ACPI: GED: add support for _Exx / _Lxx handler methods
ACPI: Delete unused proc filename macros
ACPI: hotplug: PCI: Use the new acpi_evaluate_reg() helper
ACPI: utils: Add acpi_evaluate_reg() helper
ACPI: debug: Make two functions static
ACPI: sleep: Put the FACS table after using it
ACPI: scan: Put SPCR and STAO table after using it
ACPI: EC: Put the ACPI table after using it
ACPI: APEI: Put the HEST table for error path
ACPI: APEI: Put the error record serialization table for error path
...
|
||
Miklos Szeredi
|
56230d9567 |
ovl: verify permissions in ovl_path_open()
Check permission before opening a real file. ovl_path_open() is used by readdir and copy-up routines. ovl_permission() theoretically already checked copy up permissions, but it doesn't hurt to re-do these checks during the actual copy-up. For directory reading ovl_permission() only checks access to topmost underlying layer. Readdir on a merged directory accesses layers below the topmost one as well. Permission wasn't checked for these layers. Note: modifying ovl_permission() to perform this check would be far more complex and hence more bug prone. The result is less precise permissions returned in access(2). If this turns out to be an issue, we can revisit this bug. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
||
|
Miklos Szeredi
|
48bd024b8a |
ovl: switch to mounter creds in readdir
In preparation for more permission checking, override credentials for directory operations on the underlying filesystems. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
||
|
Miklos Szeredi
|
130fdbc3d1 |
ovl: pass correct flags for opening real directory
The three instances of ovl_path_open() in overlayfs/readdir.c do three different things: - pass f_flags from overlay file - pass O_RDONLY | O_DIRECTORY - pass just O_RDONLY The value of f_flags can be (other than O_RDONLY): O_WRONLY - not possible for a directory O_RDWR - not possible for a directory O_CREAT - masked out by dentry_open() O_EXCL - masked out by dentry_open() O_NOCTTY - masked out by dentry_open() O_TRUNC - masked out by dentry_open() O_APPEND - no effect on directory ops O_NDELAY - no effect on directory ops O_NONBLOCK - no effect on directory ops __O_SYNC - no effect on directory ops O_DSYNC - no effect on directory ops FASYNC - no effect on directory ops O_DIRECT - no effect on directory ops O_LARGEFILE - ? O_DIRECTORY - only affects lookup O_NOFOLLOW - only affects lookup O_NOATIME - overlay sets this unconditionally in ovl_path_open() O_CLOEXEC - only affects fd allocation O_PATH - no effect on directory ops __O_TMPFILE - not possible for a directory Fon non-merge directories we use the underlying filesystem's iterate; in this case honor O_LARGEFILE from the original file to make sure that open doesn't get rejected. For merge directories it's safe to pass O_LARGEFILE unconditionally since userspace will only see the artificial offsets created by overlayfs. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
||
Vivek Goyal
|
21d8d66abf |
ovl: fix redirect traversal on metacopy dentries
Amir pointed me to metacopy test cases in unionmount-testsuite and I decided to run "./run --ov=10 --meta" and it failed while running test "rename-mass-5.py". Problem is w.r.t absolute redirect traversal on intermediate metacopy dentry. We do not store intermediate metacopy dentries and also skip current loop/layer and move onto lookup in next layer. But at the end of loop, we have logic to reset "poe" and layer index if currnently looked up dentry has absolute redirect. We skip all that and that means lookup in next layer will fail. Following is simple test case to reproduce this. - mkdir -p lower upper work merged lower/a lower/b - touch lower/a/foo.txt - mount -t overlay -o lowerdir=lower,upperdir=upper,workdir=work,metacopy=on none merged # Following will create absolute redirect "/a/foo.txt" on upper/b/bar.txt. - mv merged/a/foo.txt merged/b/bar.txt # unmount overlay and use upper as lower layer (lower2) for next mount. - umount merged - mv upper lower2 - rm -rf work; mkdir -p upper work - mount -t overlay -o lowerdir=lower2:lower,upperdir=upper,workdir=work,metacopy=on none merged # Force a metacopy copy-up - chown bin:bin merged/b/bar.txt # unmount overlay and use upper as lower layer (lower3) for next mount. - umount merged - mv upper lower3 - rm -rf work; mkdir -p upper work - mount -t overlay -o lowerdir=lower3:lower2:lower,upperdir=upper,workdir=work,metacopy=on none merged # ls merged/b/bar.txt ls: cannot access 'bar.txt': Input/output error Intermediate lower layer (lower2) has metacopy dentry b/bar.txt with absolute redirect "/a/foo.txt". We skipped redirect processing at the end of loop which sets poe to roe and sets the appropriate next lower layer index. And that means lookup failed in next layer. Fix this by continuing the loop for any intermediate dentries. We still do not save these at lower stack. With this fix applied unionmount-testsuite, "./run --ov-10 --meta" now passes. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
||
|
Vivek Goyal
|
28166ab3c8 |
ovl: initialize OVL_UPPERDATA in ovl_lookup()
Currently ovl_get_inode() initializes OVL_UPPERDATA flag and for that it has to call ovl_check_metacopy_xattr() and check if metacopy xattr is present or not. yangerkun reported sometimes underlying filesystem might return -EIO and in that case error handling path does not cleanup properly leading to various warnings. Run generic/461 with ext4 upper/lower layer sometimes may trigger the bug as below(linux 4.19): [ 551.001349] overlayfs: failed to get metacopy (-5) [ 551.003464] overlayfs: failed to get inode (-5) [ 551.004243] overlayfs: cleanup of 'd44/fd51' failed (-5) [ 551.004941] overlayfs: failed to get origin (-5) [ 551.005199] ------------[ cut here ]------------ [ 551.006697] WARNING: CPU: 3 PID: 24674 at fs/inode.c:1528 iput+0x33b/0x400 ... [ 551.027219] Call Trace: [ 551.027623] ovl_create_object+0x13f/0x170 [ 551.028268] ovl_create+0x27/0x30 [ 551.028799] path_openat+0x1a35/0x1ea0 [ 551.029377] do_filp_open+0xad/0x160 [ 551.029944] ? vfs_writev+0xe9/0x170 [ 551.030499] ? page_counter_try_charge+0x77/0x120 [ 551.031245] ? __alloc_fd+0x160/0x2a0 [ 551.031832] ? do_sys_open+0x189/0x340 [ 551.032417] ? get_unused_fd_flags+0x34/0x40 [ 551.033081] do_sys_open+0x189/0x340 [ 551.033632] __x64_sys_creat+0x24/0x30 [ 551.034219] do_syscall_64+0xd5/0x430 [ 551.034800] entry_SYSCALL_64_after_hwframe+0x44/0xa9 One solution is to improve error handling and call iget_failed() if error is encountered. Amir thinks that this path is little intricate and there is not real need to check and initialize OVL_UPPERDATA in ovl_get_inode(). Instead caller of ovl_get_inode() can initialize this state. And this will avoid double checking of metacopy xattr lookup in ovl_lookup() and ovl_get_inode(). OVL_UPPERDATA is inode flag. So I was little concerned that initializing it outside ovl_get_inode() might have some races. But this is one way transition. That is once a file has been fully copied up, it can't go back to metacopy file again. And that seems to help avoid races. So as of now I can't see any races w.r.t OVL_UPPERDATA being set wrongly. So move settingof OVL_UPPERDATA inside the callers of ovl_get_inode(). ovl_obtain_alias() already does it. So only two callers now left are ovl_lookup() and ovl_instantiate(). Reported-by: yangerkun <yangerkun@huawei.com> Suggested-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
||
|
Vivek Goyal
|
6815f479ca |
ovl: use only uppermetacopy state in ovl_lookup()
Currently we use a variable "metacopy" which signifies that dentry could be either uppermetacopy or lowermetacopy. Amir suggested that we can move code around and use d.metacopy in such a way that we don't need lowermetacopy and just can do away with uppermetacopy. So this patch replaces "metacopy" with "uppermetacopy". It also moves some code little higher to keep reading little simpler. Suggested-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
||
|
Vivek Goyal
|
59fb20138a |
ovl: simplify setting of origin for index lookup
overlayfs can keep index of copied up files and directories and it seems to serve two primary puroposes. For regular files, it avoids breaking lower hardlinks over copy up. For directories it seems to be used for various error checks. During ovl_lookup(), we lookup for index using lower dentry in many a cases. That lower dentry is called "origin" and following is a summary of current logic. If there is no upperdentry, always lookup for index using lower dentry. For regular files it helps avoiding breaking hard links over copyup and for directories it seems to be just error checks. If there is an upperdentry, then there are 3 possible cases. - For directories, lower dentry is found using two ways. One is regular path based lookup in lower layers and second is using ORIGIN xattr on upper dentry. First verify that path based lookup lower dentry matches the one pointed by upper ORIGIN xattr. If yes, use this verified origin for index lookup. - For regular files (non-metacopy), there is no path based lookup in lower layers as lookup stops once we find upper dentry. So there is no origin verification. If there is ORIGIN xattr present on upper, use that to lookup index otherwise don't. - For regular metacopy files, again lower dentry is found using path based lookup as well as ORIGIN xattr on upper. Path based lookup is continued in this case to find lower data dentry for metacopy upper. So like directories we only use verified origin. If ORIGIN xattr is not present (Either because lower did not support file handles or because this is hardlink copied up with index=off), then don't use path lookup based lower dentry as origin. This is same as regular non-metacopy file case. Suggested-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
||
Amir Goldstein
|
522f6e6cba |
ovl: fix out of bounds access warning in ovl_check_fb_len()
syzbot reported out of bounds memory access from open_by_handle_at()
with a crafted file handle that looks like this:
{ .handle_bytes = 2, .handle_type = OVL_FILEID_V1 }
handle_bytes gets rounded down to 0 and we end up calling:
ovl_check_fh_len(fh, 0) => ovl_check_fb_len(fh + 3, -3)
But fh buffer is only 2 bytes long, so accessing struct ovl_fb at
fh + 3 is illegal.
Fixes:
|
||
|
Linus Torvalds
|
355ba37d75 |
Power management updates for 5.8-rc1
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in
the struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
* Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
* Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
* Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
* Fix wrong compatible binding in the qcom driver (Ansuel Smith).
* Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
* Add r8a7742 SoC support to the dt cpufreq driver (Lad Prabhakar).
- Update cpuidle core and drivers:
* Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
* Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
* Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver
and remove an unused local MSR definition from it (Jacob Pan,
Sumeet Pawnikar).
- Update devfreq core and drivers:
* Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
* Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
* Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei).
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Merge tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These rework the system-wide PM driver flags, make runtime switching
of cpuidle governors easier, improve the user space hibernation
interface code, add intel-speed-select interface documentation, add
more debug messages to the ACPI code handling suspend to idle, update
the cpufreq core and drivers, fix a minor issue in the cpuidle core
and update two cpuidle drivers, improve the PM-runtime framework,
update the Intel RAPL power capping driver, update devfreq core and
drivers, and clean up the cpupower utility.
Specifics:
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in the
struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
- Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
- Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
- Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
- Fix wrong compatible binding in the qcom driver (Ansuel Smith).
- Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
- Add r8a7742 SoC support to the dt cpufreq driver (Lad
Prabhakar).
- Update cpuidle core and drivers:
- Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
- Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
- Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver and
remove an unused local MSR definition from it (Jacob Pan, Sumeet
Pawnikar).
- Update devfreq core and drivers:
- Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
- Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
- Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei)"
* tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (51 commits)
cpuidle: Fix three reference count leaks
PM: runtime: Replace pm_runtime_callbacks_present()
PM / devfreq: Use lockdep asserts instead of manual checks for locked mutex
PM / devfreq: imx-bus: Fix inconsistent IS_ERR and PTR_ERR
PM / devfreq: Replace strncpy with strscpy
PM / devfreq: imx: Register interconnect device
PM / devfreq: Add generic imx bus scaling driver
PM / devfreq: tegra30: Delete an error message in tegra_devfreq_probe()
PM / devfreq: tegra30: Make CPUFreq notifier to take into account boosting
PM: hibernate: Restrict writes to the resume device
PM: runtime: clk: Fix clk_pm_runtime_get() error path
cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver
ACPI: EC: PM: s2idle: Extend GPE dispatching debug message
ACPI: PM: s2idle: Print type of wakeup debug messages
powercap: RAPL: remove unused local MSR define
PM: runtime: Make clear what we do when conditions are wrong in rpm_suspend()
Documentation: admin-guide: pm: Document intel-speed-select
PM: hibernate: Split off snapshot dev option
PM: hibernate: Incorporate concurrency handling
Documentation: ABI: make current_governer_ro as a candidate for removal
...
|
||
Ilya Leoshkevich
|
e7ad28e6fd |
selftests/bpf: Add a default $(CXX) value
When using make kselftest TARGETS=bpf, tools/bpf is built with MAKEFLAGS=rR, which causes $(CXX) to be undefined, which in turn causes the build to fail with CXX test_cpp /bin/sh: 2: g: not found Fix by adding a default $(CXX) value, like tools/build/feature/Makefile already does. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200602175649.2501580-3-iii@linux.ibm.com |
||
|
Ilya Leoshkevich
|
d70a6be1e2 |
tools/bpf: Don't use $(COMPILE.c)
When using make kselftest TARGETS=bpf, tools/bpf is built with MAKEFLAGS=rR, which causes $(COMPILE.c) to be undefined, which in turn causes the build to fail with CC kselftest/bpf/tools/build/bpftool/map_perf_ring.o /bin/sh: 1: -MMD: not found Fix by using $(CC) $(CFLAGS) -c instead of $(COMPILE.c). Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200602175649.2501580-2-iii@linux.ibm.com |
||
|
Linus Torvalds
|
a5a82e0a59 |
platform-drivers-x86 for v5.8-1
* Add a support of the media keys on the ASUS laptop UX325JA/UX425JA
* ASUS WMI driver can now handle 2-in-1 models T100TA, T100CHI, T100HA, T200TA
* Big refactoring of Intel SCU driver with Elkhart Lake support has been added
* Slim Bootloarder firmware update signaling WMI driver has been added
* Thinkpad ACPI driver can handle dual fan configuration on new P and X models
* Touchscreen DMI driver has been extended to support
- MP-man MPWIN895CL tablet
- ONDA V891 v5 tablet
- techBite Arc 11.6
- Trekstor Twin 10.1
- Trekstor Yourbook C11B
- Vinga J116
* Virtual Button driver got a few fixes to detect mode of 2-in-1 tablet models
* Intel Speed Select tools update
* Plenty of small cleanups here and there
The following is an automated git shortlog grouped by driver:
acerhdf:
- replace space by * in modalias
New drivers:
- Add Elkhart Lake SCU/PMC support
- Add Slim Bootloader firmware update signaling driver
asus-laptop:
- Drop duplicate check for led_classdev_unregister()
asus-nb-wmi:
- Revert "Do not load on Asus T100TA and T200TA"
- Do not load on Asus T100TA and T200TA
asus-wmi:
- Ignore WMI events with code 0x79
- Add support for SW_TABLET_MODE
- Move asus_wmi_input_init and _exit lower in the file
- Drop duplicate check for led_classdev_unregister()
- Reserve more space for struct bias_args
- remove redundant initialization of variable status
dcdbas:
- Check SMBIOS for protected buffer address
dell-laptop:
- don't register micmute LED if there is no token
dell-wmi:
- Ignore keyboard attached / detached events
device property:
- export set_secondary_fwnode() to modules
eeepc-laptop:
- Drop duplicate check for led_classdev_unregister()
hp-wmi:
- Introduce HPWMI_POWER_FW_OR_HW as convenient shortcut
- Convert simple_strtoul() to kstrtou32()
- Refactor postcode_store() to follow standard patterns
intel_cht_int33fe:
- Fix spelling issues
- Switch to use acpi_dev_hid_uid_match()
- Convert to use set_secondary_fwnode()
- Convert software node array to group
intel-hid:
- Add a quirk to support HP Spectre X2 (2015)
intel_mid_powerbtn:
- Convert to use new SCU IPC API
intel_pmc_core:
- avoid unused-function warnings
- Change Jasper Lake S0ix debug reg map back to ICL
intel_pmc_ipc:
- Convert to MFD
- Move PCI IDs to intel_scu_pcidrv.c
- Drop intel_pmc_ipc_command()
- Start using SCU IPC
intel_scu_ipc:
- Add managed function to register SCU IPC
- Introduce new SCU IPC API
- Move legacy SCU IPC API to a separate header
- Log more information if SCU IPC command fails
- Split out SCU IPC functionality from the SCU driver
intel_scu_ipcutil:
- Convert to use new SCU IPC API
intel-speed-select:
- Fix speed-select-base-freq-properties output on CLX-N
intel_telemetry:
- Add telemetry_get_pltdata()
- Convert to use new SCU IPC API
intel-vbtn:
- Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type
- Detect switch position before registering the input-device
- Move detect_tablet_mode() to higher in the file
- Fix probe failure on devices with only switches
- Also handle tablet-mode switch on "Detachable" and "Portable" chassis-types
- Do not advertise switches to userspace if they are not there
- Split keymap into buttons and switches parts
- Use acpi_evaluate_integer()
ISST:
- Increase timeout
lg-laptop:
- Drop duplicate check for led_classdev_unregister()
MAINTAINERS:
- Add me as maintainer of Intel SCU drivers
- Update entry for Intel Broxton PMC driver
Merges of immutable branches:
- Merge branch 'for-next'
- Merge branch 'ib-mfd-x86-usb-watchdog-v5.7'
- Merge branch 'ib-pdx86-properties'
mfd:
- intel_soc_pmic_mrfld: Convert to use new SCU IPC API
- intel_soc_pmic_bxtwc: Convert to use new SCU IPC API
- intel_soc_pmic: Add SCU IPC member to struct intel_soc_pmic
samsung-laptop:
- Drop duplicate check for led_classdev_unregister()
software node:
- Allow register and unregister software node groups
sony-laptop:
- Make resuming thermal profile safer
- SNC calls should handle BUFFER types
thinkpad_acpi:
- Replace custom approach by kstrtoint()
- Use strndup_user() in dispatch_proc_write()
- Replace next_cmd(&buf) with strsep(&buf, ",")
- Drop duplicate check for led_classdev_unregister()
- Remove always false 'value < 0' statement
- Add support for dual fan control
tools/power/x86/intel-speed-select:
- Fix invalid core mask
- Increase CPU count
- Fix json perf-profile output output
- Update version
- Enable clos for turbo-freq enable
- Fix CLX-N package information output
- Check support status before enable
- Change debug to error
toshiba_acpi:
- Drop duplicate check for led_classdev_unregister()
touchscreen_dmi:
- Update Trekstor Twin 10.1 entry
- Add info for the Trekstor Yourbook C11B
- Drop comma in terminator line
- add Vinga J116 touchscreen
- Add info for the ONDA V891 v5 tablet
- Add touchscreen info for techBite Arc 11.6.
- Add info for the MP-man MPWIN895CL tablet
usb:
- typec: mux: Convert the Intel PMC Mux driver to use new SCU IPC API
watchdog:
- iTCO: fix link error
- intel-mid_wdt: Convert to use new SCU IPC API
wmi:
- Describe function parameters
- Fix indentation in some cases
- Replace UUID redefinitions by their originals
x86/platform/intel-mid:
- Add empty stubs for intel_scu_devices_[create|destroy]()
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Merge tag 'platform-drivers-x86-v5.8-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- Add a support of the media keys on the ASUS laptop UX325JA/UX425JA
- ASUS WMI driver can now handle 2-in-1 models T100TA, T100CHI, T100HA,
T200TA
- Big refactoring of Intel SCU driver with Elkhart Lake support has
been added
- Slim Bootloarder firmware update signaling WMI driver has been added
- Thinkpad ACPI driver can handle dual fan configuration on new P and X
models
- Touchscreen DMI driver has been extended to support
- MP-man MPWIN895CL tablet
- ONDA V891 v5 tablet
- techBite Arc 11.6
- Trekstor Twin 10.1
- Trekstor Yourbook C11B
- Vinga J116
- Virtual Button driver got a few fixes to detect mode of 2-in-1 tablet
models
- Intel Speed Select tools update
- Plenty of small cleanups here and there
* tag 'platform-drivers-x86-v5.8-1' of git://git.infradead.org/linux-platform-drivers-x86: (89 commits)
platform/x86: dcdbas: Check SMBIOS for protected buffer address
platform/x86: asus_wmi: Reserve more space for struct bias_args
platform/x86: intel-vbtn: Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type
platform/x86: intel-hid: Add a quirk to support HP Spectre X2 (2015)
platform/x86: touchscreen_dmi: Update Trekstor Twin 10.1 entry
platform/x86: touchscreen_dmi: Add info for the Trekstor Yourbook C11B
platform/x86: hp-wmi: Introduce HPWMI_POWER_FW_OR_HW as convenient shortcut
platform/x86: hp-wmi: Convert simple_strtoul() to kstrtou32()
platform/x86: hp-wmi: Refactor postcode_store() to follow standard patterns
platform/x86: acerhdf: replace space by * in modalias
platform/x86: ISST: Increase timeout
tools/power/x86/intel-speed-select: Fix invalid core mask
tools/power/x86/intel-speed-select: Increase CPU count
tools/power/x86/intel-speed-select: Fix json perf-profile output output
platform/x86: dell-wmi: Ignore keyboard attached / detached events
platform/x86: dell-laptop: don't register micmute LED if there is no token
platform/x86: thinkpad_acpi: Replace custom approach by kstrtoint()
platform/x86: thinkpad_acpi: Use strndup_user() in dispatch_proc_write()
platform/x86: thinkpad_acpi: Replace next_cmd(&buf) with strsep(&buf, ",")
platform/x86: intel-vbtn: Detect switch position before registering the input-device
...
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Alex Williamson
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4f085ca2f5 | Merge branch 'v5.8/vfio/kirti-migration-fixes' into v5.8/vfio/next | ||
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Linus Torvalds
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c5d6c13843 |
MMC core:
- Enable erase/discard/trim support for all (e)MMC/SD hosts
- Export information through sysfs about enhanced RPMB support (eMMC v5.1+)
- Align the initialization commands for SDIO cards
- Fix SDIO initialization to prevent memory leaks and NULL pointer errors
- Do not export undefined MMC_NAME/MODALIAS for SDIO cards
- Export device/vendor field from common CIS for SDIO cards
- Move SDIO IDs from functional drivers to the common SDIO header
- Introduce the ->request_atomic() host ops
MMC host:
- Improve support for HW busy signaling for several hosts
- Converting some DT bindings to the json-schema
- meson-mx-sdhc: Add driver and DT doc for the Amlogic Meson SDHC controller
- meson-mx-sdio: Run a soft reset to recover from timeout/CRC error
- mmci: Convert to use mmc_regulator_set_vqmmc()
- mmci_stm32_sdmmc: Fix a couple of DMA bugs
- mmci_stm32_sdmmc: Fix power on issue
- renesas,mmcif,sdhci: Document r8a7742 DT bindings
- renesas_sdhi: Add support for M3-W ES1.2 and 1.3 revisions
- renesas_sdhi: Improvements to the TAP selection
- renesas_sdhi/tmio: Further fixup runtime PM management at ->remove()
- sdhci: Introduce ops to dump vendor specific registers
- sdhci-cadence: Fix PHY write sequence
- sdhci-esdhc-imx: Improve tunings
- sdhci-esdhc-imx: Enable GPIO card detect as system wakeup
- sdhci-esdhc-imx: Add HS400 support for i.MX6SLL
- sdhci-esdhc-mcf: Add driver for the Coldfire/M5441X esdhc controller
- m68k: mcf5441x: Add platform data to enable esdhc mmc controller
- sdhci-msm: Improve HS400 tuning
- sdhci-msm: Dump vendor specific registers at error
- sdhci-msm: Add support for DLL/DDR properties provided from DT
- sdhci-msm: Add support for the sm8250 variant
- sdhci-msm: Add support for DVFS by converting to dev_pm_opp_set_rate()
- sdhci-of-arasan: Add support for Intel Keem Bay variant
- sdhci-of-arasan: Add support for Xilinx Versal SD variant
- sdhci-of-dwcmshc: Add support for system suspend/resume
- sdhci-of-dwcmshc: Fix UHS signaling support
- sdhci-of-esdhc: Fix tuning for eMMC HS400 mode
- sdhci-pci-gli: Add Genesys Logic GL9763E support
- sdhci-sprd: Add support for the ->request_atomic() ops
- sdhci-tegra: Avoid reading autocal timeout values when not applicable
MEMSTICK:
- Minor trivial update.
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Merge tag 'mmc-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Enable erase/discard/trim support for all (e)MMC/SD hosts
- Export information through sysfs about enhanced RPMB support (eMMC v5.1+)
- Align the initialization commands for SDIO cards
- Fix SDIO initialization to prevent memory leaks and NULL pointer errors
- Do not export undefined MMC_NAME/MODALIAS for SDIO cards
- Export device/vendor field from common CIS for SDIO cards
- Move SDIO IDs from functional drivers to the common SDIO header
- Introduce the ->request_atomic() host ops
MMC host:
- Improve support for HW busy signaling for several hosts
- Converting some DT bindings to the json-schema
- meson-mx-sdhc: Add driver and DT doc for the Amlogic Meson SDHC controller
- meson-mx-sdio: Run a soft reset to recover from timeout/CRC error
- mmci: Convert to use mmc_regulator_set_vqmmc()
- mmci_stm32_sdmmc: Fix a couple of DMA bugs
- mmci_stm32_sdmmc: Fix power on issue
- renesas,mmcif,sdhci: Document r8a7742 DT bindings
- renesas_sdhi: Add support for M3-W ES1.2 and 1.3 revisions
- renesas_sdhi: Improvements to the TAP selection
- renesas_sdhi/tmio: Further fixup runtime PM management at ->remove()
- sdhci: Introduce ops to dump vendor specific registers
- sdhci-cadence: Fix PHY write sequence
- sdhci-esdhc-imx: Improve tunings
- sdhci-esdhc-imx: Enable GPIO card detect as system wakeup
- sdhci-esdhc-imx: Add HS400 support for i.MX6SLL
- sdhci-esdhc-mcf: Add driver for the Coldfire/M5441X esdhc controller
- m68k: mcf5441x: Add platform data to enable esdhc mmc controller
- sdhci-msm: Improve HS400 tuning
- sdhci-msm: Dump vendor specific registers at error
- sdhci-msm: Add support for DLL/DDR properties provided from DT
- sdhci-msm: Add support for the sm8250 variant
- sdhci-msm: Add support for DVFS by converting to dev_pm_opp_set_rate()
- sdhci-of-arasan: Add support for Intel Keem Bay variant
- sdhci-of-arasan: Add support for Xilinx Versal SD variant
- sdhci-of-dwcmshc: Add support for system suspend/resume
- sdhci-of-dwcmshc: Fix UHS signaling support
- sdhci-of-esdhc: Fix tuning for eMMC HS400 mode
- sdhci-pci-gli: Add Genesys Logic GL9763E support
- sdhci-sprd: Add support for the ->request_atomic() ops
- sdhci-tegra: Avoid reading autocal timeout values when not applicable
MEMSTICK:
- Minor trivial update"
* tag 'mmc-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (127 commits)
dt-bindings: mmc: Convert sdhci-pxa to json-schema
mmc: sdhci-msm: Clear tuning done flag while hs400 tuning
mmc: core: Export device/vendor ids from Common CIS for SDIO cards
mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block for SDIO cards
mmc: sdhci-of-at91: fix CALCR register being rewritten
mmc: sdhci-esdhc-imx: disable the CMD CRC check for standard tuning
mmc: sdhci-esdhc-imx: fix the mask for tuning start point
mmc: host: sdhci-esdhc-imx: add wakeup feature for GPIO CD pin
mmc: mmci_sdmmc: fix DMA API warning max segment size
mmc: mmci_sdmmc: fix DMA API warning overlapping mappings
mmc: sdhci-of-arasan: Add support for Intel Keem Bay
dt-bindings: mmc: arasan: Add compatible strings for Intel Keem Bay
mmc: sdhci-cadence: fix PHY write
mmc: sdio: Sort all SDIO IDs in common include file
mmc: sdio: Fix Cypress SDIO IDs macros in common include file
mmc: sdio: Move SDIO IDs from b43-sdio driver to common include file
mmc: sdio: Move SDIO IDs from ath10k driver to common include file
mmc: sdio: Move SDIO IDs from ath6kl driver to common include file
mmc: sdio: Move SDIO IDs from smssdio driver to common include file
mmc: sdio: Move SDIO IDs from btmtksdio driver to common include file
...
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Kirti Wankhede
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c8e9df4744 |
vfio iommu: typecast corrections
Fixes sparse warnings by adding '__user' in typecast for
copy_[from,to]_user()
Fixes:
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||
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Kirti Wankhede
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cd0bb41ea8 |
vfio iommu: Use shift operation for 64-bit integer division
Fixes compilation error with ARCH=i386.
Error fixed by this commit:
ld: drivers/vfio/vfio_iommu_type1.o: in function `vfio_dma_populate_bitmap':
>> vfio_iommu_type1.c:(.text+0x666): undefined reference to `__udivdi3'
Fixes:
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Bob Peterson
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1a0b00d15d |
gfs2: Only do glock put in gfs2_create_inode for free inodes
Before this patch, the error path of function gfs2_create_inode would always calls gfs2_glock_put for the inode glock. That's good for inodes that are free. But after they've been added to the vfs inodes, errors will cause the inode to be evicted, and the evict will do the glock put for us. If we do a glock put again, we can try to free the glock while there are still references to it, e.g. revokes pending for the transaction that created it. This patch adds a check: if (free_vfs_inode) before the put, thus solving the problem. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> |
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Linus Torvalds
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94709049fb |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: "A few little subsystems and a start of a lot of MM patches. Subsystems affected by this patch series: squashfs, ocfs2, parisc, vfs. With mm subsystems: slab-generic, slub, debug, pagecache, gup, swap, memcg, pagemap, memory-failure, vmalloc, kasan" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (128 commits) kasan: move kasan_report() into report.c mm/mm_init.c: report kasan-tag information stored in page->flags ubsan: entirely disable alignment checks under UBSAN_TRAP kasan: fix clang compilation warning due to stack protector x86/mm: remove vmalloc faulting mm: remove vmalloc_sync_(un)mappings() x86/mm/32: implement arch_sync_kernel_mappings() x86/mm/64: implement arch_sync_kernel_mappings() mm/ioremap: track which page-table levels were modified mm/vmalloc: track which page-table levels were modified mm: add functions to track page directory modifications s390: use __vmalloc_node in stack_alloc powerpc: use __vmalloc_node in alloc_vm_stack arm64: use __vmalloc_node in arch_alloc_vmap_stack mm: remove vmalloc_user_node_flags mm: switch the test_vmalloc module to use __vmalloc_node mm: remove __vmalloc_node_flags_caller mm: remove both instances of __vmalloc_node_flags mm: remove the prot argument to __vmalloc_node mm: remove the pgprot argument to __vmalloc ... |
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Ilya Leoshkevich
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9bc499befe |
bpf, selftests: Use bpf_probe_read_kernel
Since commit
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