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Drop the heap-related macros from bcachefs and replacing them with the
generic min_heap implementation from include/linux. By doing so, code
readability is improved by using functions instead of macros. Moreover,
the min_heap implementation in include/linux adopts a bottom-up
variation compared to the textbook version currently used in bcachefs.
This bottom-up variation allows for approximately 50% reduction in the
number of comparison operations during heap siftdown, without changing
the number of swaps, thus making it more efficient.
Link: https://lkml.kernel.org/ioyfizrzq7w7mjrqcadtzsfgpuntowtjdw5pgn4qhvsdp4mqqg@nrlek5vmisbu
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Acked-by: Kent Overstreet <kent.overstreet@linux.dev>
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Drop the heap-related macros from bcache and replacing them with the
generic min_heap implementation from include/linux. By doing so, code
readability is improved by using functions instead of macros. Moreover,
the min_heap implementation in include/linux adopts a bottom-up
variation compared to the textbook version currently used in bcache.
This bottom-up variation allows for approximately 50% reduction in the
number of comparison operations during heap siftdown, without changing
the number of swaps, thus making it more efficient.
Link: https://lkml.kernel.org/ioyfizrzq7w7mjrqcadtzsfgpuntowtjdw5pgn4qhvsdp4mqqg@nrlek5vmisbu
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Acked-by: Coly Li <colyli@suse.de>
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Add test cases for the min_heap_del() to ensure its functionality is
thoroughly tested.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Update min_heap_push() to use min_heap_sift_up() rather than its origin
inline version.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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After adding min_heap_sift_up(), the naming convention has been
adjusted to maintain consistency with the min_heap_sift_up().
Consequently, min_heapify() has been renamed to min_heap_sift_down().
Link: https://lkml.kernel.org/CAP-5=fVcBAxt8Mw72=NCJPRJfjDaJcqk4rjbadgouAEAHz_q1A@mail.gmail.com
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Modify the min_heap_push() and min_heap_pop() to return a boolean
value. They now return false when the operation fails and true when it
succeeds.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Add min_heap_del() to delete the element at index 'idx' in the heap.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Add min_heap_sift_up() to sift up the element at index 'idx' in the
heap.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Add a third parameter 'args' for the 'less' and 'swp' functions in the
'struct min_heap_callbacks'. This additional parameter allows these
comparison and swap functions to handle extra arguments when necessary.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Add min_heap_full() which returns a boolean value indicating whether
the heap has reached its maximum capacity.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Add min_heap_peek() function to retrieve a pointer to the smallest
element. The pointer is cast to the appropriate type of heap elements.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Add min_heap_init() for initializing heap with data, nr, and size.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Implement a type-safe interface for min_heap using strong type
pointers instead of void * in the data field. This change includes
adding small macro wrappers around functions, enabling the use of
__minheap_cast and __minheap_obj_size macros for type casting and
obtaining element size. This implementation removes the necessity of
passing element size in min_heap_callbacks. Additionally, introduce the
MIN_HEAP_PREALLOCATED macro for preallocating some elements.
Link: https://lkml.kernel.org/ioyfizrzq7w7mjrqcadtzsfgpuntowtjdw5pgn4qhvsdp4mqqg@nrlek5vmisbu
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
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Replace 'utiility' with 'utility'.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
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Replace 'utiility' with 'utility'.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
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Replace 'artifically' with 'artificially'.
Replace 'irrespecive' with 'irrespective'.
Replace 'futher' with 'further'.
Replace 'sufficent' with 'sufficient'.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix information leak by the buffer returned from LOGICAL_INO ioctl
- fix flipped condition in scrub when tracking sectors in zoned mode
- fix calculation when dropping extent range
- reinstate fallback to write uncompressed data in case of fragmented
space that could not store the entire compressed chunk
- minor fix to message formatting style to make it conforming to the
commonly used style
* tag 'for-6.9-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix wrong block_start calculation for btrfs_drop_extent_map_range()
btrfs: fix information leak in btrfs_ioctl_logical_to_ino()
btrfs: fallback if compressed IO fails for ENOSPC
btrfs: scrub: run relocation repair when/only needed
btrfs: remove colon from messages with state
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Pull smb client fixes from Steve French:
- fscache fix
- fix for case where we could use uninitialized lease
- add tracepoint for debugging refcounting of tcon
- fix mount option regression (e.g. forceuid vs. noforceuid when uid=
specified) caused by conversion to the new mount API
* tag '6.9-rc5-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: reinstate original behavior again for forceuid/forcegid
smb: client: fix rename(2) regression against samba
cifs: Add tracing for the cifs_tcon struct refcounting
cifs: Fix reacquisition of volume cookie on still-live connection
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Pull smb server fixes from Steve French:
"Five ksmbd server fixes, most also for stable:
- rename fix
- two fixes for potential out of bounds
- fix for connections from MacOS (padding in close response)
- fix for when to enable persistent handles"
* tag '6.9-rc5-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: add continuous availability share parameter
ksmbd: common: use struct_group_attr instead of struct_group for network_open_info
ksmbd: clear RENAME_NOREPLACE before calling vfs_rename
ksmbd: validate request buffer size in smb2_allocate_rsp_buf()
ksmbd: fix slab-out-of-bounds in smb2_allocate_rsp_buf
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Pull bcachefs fixes from Kent Overstreet:
"Nothing too crazy in this one, and it looks like (fingers crossed) the
recovery and repair issues are settling down - although there's going
to be a long tail there, as we've still yet to really ramp up on error
injection or syzbot.
- fix a few more deadlocks in recovery
- fix u32/u64 issues in mi_btree_bitmap
- btree key cache shrinker now actually frees, with more
instrumentation coming so we can verify that it's working
correctly more easily in the future"
* tag 'bcachefs-2024-04-22' of https://evilpiepirate.org/git/bcachefs:
bcachefs: If we run merges at a lower watermark, they must be nonblocking
bcachefs: Fix inode early destruction path
bcachefs: Fix deadlock in journal write path
bcachefs: Tweak btree key cache shrinker so it actually frees
bcachefs: bkey_cached.btree_trans_barrier_seq needs to be a ulong
bcachefs: Fix missing call to bch2_fs_allocator_background_exit()
bcachefs: Check for journal entries overruning end of sb clean section
bcachefs: Fix bio alloc in check_extent_checksum()
bcachefs: fix leak in bch2_gc_write_reflink_key
bcachefs: KEY_TYPE_error is allowed for reflink
bcachefs: Fix bch2_dev_btree_bitmap_marked_sectors() shift
bcachefs: make sure to release last journal pin in replay
bcachefs: node scan: ignore multiple nodes with same seq if interior
bcachefs: Fix format specifier in validate_bset_keys()
bcachefs: Fix null ptr deref in twf from BCH_IOCTL_FSCK_OFFLINE
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix an NFS/RDMA performance regression in v6.9-rc
* tag 'nfsd-6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
Revert "svcrdma: Add Write chunk WRs to the RPC's Send WR chain"
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Pull documentation fixes from Jonathan Corbet:
"A set of updates from Thorsten to his (new) guide to verifying bugs
and tracking down regressions"
* tag 'docs-6.9-fixes2' of git://git.lwn.net/linux:
docs: verify/bisect: stable regressions: first stable, then mainline
docs: verify/bisect: describe how to use a build host
docs: verify/bisect: explain testing reverts, patches and newer code
docs: verify/bisect: proper headlines and more spacing
docs: verify/bisect: add and fetch stable branches ahead of time
docs: verify/bisect: use git switch, tag kernel, and various fixes
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forceuid/forcegid should be enabled by default when uid=/gid= options are
specified, but commit 24e0a1eff9e2 ("cifs: switch to new mount api")
changed the behavior. Due to the change, a mounted share does not show
intentional uid/gid for files and directories even though uid=/gid=
options are specified since forceuid/forcegid are not enabled.
This patch reinstates original behavior that overrides uid/gid with
specified uid/gid by the options.
Fixes: 24e0a1eff9e2 ("cifs: switch to new mount api")
Signed-off-by: Takayuki Nagata <tnagata@redhat.com>
Acked-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Fix another deadlock related to the merge path; previously, we switched
to always running merges at a lower watermark (because they are
noncritical); but when we run at a lower watermark we also need to run
nonblocking or we've introduced a new deadlock.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Reported-and-tested-by: s@m-h.ug
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver fixes from Greg KH:
"Here are some small char/misc and other driver fixes for 6.9-rc5.
Included in here are the following:
- binder driver fix for reported problem
- speakup crash fix
- mei driver fixes for reported problems
- comdei driver fix
- interconnect driver fixes
- rtsx driver fix
- peci.h kernel doc fix
All of these have been in linux-next for over a week with no reported
problems"
* tag 'char-misc-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
peci: linux/peci.h: fix Excess kernel-doc description warning
binder: check offset alignment in binder_get_object()
comedi: vmk80xx: fix incomplete endpoint checking
mei: vsc: Unregister interrupt handler for system suspend
Revert "mei: vsc: Call wake_up() in the threaded IRQ handler"
misc: rtsx: Fix rts5264 driver status incorrect when card removed
mei: me: disable RPL-S on SPS and IGN firmwares
speakup: Avoid crash on very long word
interconnect: Don't access req_list while it's being manipulated
interconnect: qcom: x1e80100: Remove inexistent ACV_PERF BCM
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull kernfs bugfix and documentation update from Greg KH:
"Here are two changes for 6.9-rc5 that deal with "driver core" stuff,
that do the following:
- sysfs reference leak fix
- embargoed-hardware-issues.rst update for Power
Both of these have been in linux-next for over a week with no reported
issues"
* tag 'driver-core-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Documentation: embargoed-hardware-issues.rst: Add myself for Power
fs: sysfs: Fix reference leak in sysfs_break_active_protection()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for 6.9-rc5 that
resolve a bunch of reported problems. Included in here are:
- MAINTAINERS and .mailmap update for Richard Genoud
- serial core regression fixes from 6.9-rc1 changes
- pci id cleanups
- serial core crash fix
- stm32 driver fixes
- 8250 driver fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: stm32: Reset .throttled state in .startup()
serial: stm32: Return IRQ_NONE in the ISR if no handling happend
serial: core: Fix missing shutdown and startup for serial base port
serial: core: Clearing the circular buffer before NULLifying it
MAINTAINERS: mailmap: update Richard Genoud's email address
serial/pmac_zilog: Remove flawed mitigation for rx irq flood
serial: 8250_pci: Remove redundant PCI IDs
serial: core: Fix regression when runtime PM is not enabled
serial: mxs-auart: add spinlock around changing cts state
serial: 8250_dw: Revert: Do not reclock if already at correct rate
serial: 8250_lpc18xx: disable clks on error in probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver fixes from Greg KH:
"Here are some small USB and Thunderbolt driver fixes for 6.9-rc5.
Included in here are:
- MAINTAINER file update for invalid email address
- usb-serial device id updates
- typec driver fixes
- thunderbolt / usb4 driver fixes
- usb core shutdown fixes
- cdc-wdm driver revert for reported problem in -rc1
- usb gadget driver fixes
- xhci driver fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'usb-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
USB: serial: option: add Telit FN920C04 rmnet compositions
usb: dwc3: ep0: Don't reset resource alloc flag
Revert "usb: cdc-wdm: close race between read and workqueue"
USB: serial: option: add Rolling RW101-GL and RW135-GL support
USB: serial: option: add Lonsung U8300/U9300 product
USB: serial: option: add support for Fibocom FM650/FG650
USB: serial: option: support Quectel EM060K sub-models
USB: serial: option: add Fibocom FM135-GL variants
usb: misc: onboard_usb_hub: Disable the USB hub clock on failure
thunderbolt: Avoid notify PM core about runtime PM resume
thunderbolt: Fix wake configurations after device unplug
usb: dwc2: host: Fix dereference issue in DDMA completion flow.
usb: typec: mux: it5205: Fix ChipID value typo
MAINTAINERS: Drop Li Yang as their email address stopped working
usb: gadget: fsl: Initialize udc before using it
usb: Disable USB3 LPM at shutdown
usb: gadget: f_ncm: Fix UAF ncm object at re-bind after usb ep transport error
usb: typec: tcpm: Correct the PDO counting in pd_set
usb: gadget: functionfs: Wait for fences before enqueueing DMABUF
usb: gadget: functionfs: Fix inverted DMA fence direction
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Add a missing memory barrier in the concurrency ID mm switching
* tag 'sched_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Add missing memory barrier in switch_mm_cid
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix CPU feature dependencies of GFNI, VAES, and VPCLMULQDQ
- Print the correct error code when FRED reports a bad event type
- Add a FRED-specific INT80 handler without the special dances that
need to happen in the current one
- Enable the using-the-default-return-thunk-but-you-should-not warning
only on configs which actually enable those special return thunks
- Check the proper feature flags when selecting BHI retpoline
mitigation
* tag 'x86_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpufeatures: Fix dependencies for GFNI, VAES, and VPCLMULQDQ
x86/fred: Fix incorrect error code printout in fred_bad_type()
x86/fred: Fix INT80 emulation for FRED
x86/retpolines: Enable the default thunk warning only on relevant configs
x86/bugs: Fix BHI retpoline check
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discard_new_inode() is the wrong interface to use when we need to free
an inode that was never inserted into the inode hash table; we can
bypass the whole iput() -> evict() path and replace it with
__destroy_inode(); kmem_cache_free() - this fixes a WARN_ON() about
I_NEW.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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bch2_journal_write() was incorrectly waiting on earlier journal writes
synchronously; this usually worked because most of the time we'd be
running in the context of a thread that did a journal_buf_put(), but
sometimes we'd be running out of the same workqueue that completes those
prior journal writes.
Additionally, this makes sure to punt to a workqueue before submitting
preflushes - we really don't want to be calling submit_bio() in the main
transaction commit path.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Freeing key cache items is a multi stage process; we need to wait for an
SRCU grace period to elapse, and we handle this ourselves - partially to
avoid callback overhead, but primarily so that when allocating we can
first allocate from the freed items waiting for an SRCU grace period.
Previously, the shrinker was counting the items on the 'waiting for SRCU
grace period' lists as items being scanned, but this meant that too many
items waiting for an SRCU grace period could prevent it from doing any
work at all.
After this, we're seeing that items skipped due to the accessed bit are
the main cause of the shrinker not making any progress, and we actually
want the key cache shrinker to run quite aggressively because reclaimed
items will still generally be found (more compactly) in the btree node
cache - so we also tweak the shrinker to not count those against
nr_to_scan.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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this stores the SRCU sequence number, which we use to check if an SRCU
barrier has elapsed; this is a partial fix for the key cache shrinker
not actually freeing.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Pull block fixes from Jens Axboe:
"Just two minor fixes that should go into the 6.9 kernel release, one
fixing a regression with partition scanning errors, and one fixing a
WARN_ON() that can get triggered if we race with a timer"
* tag 'block-6.9-20240420' of git://git.kernel.dk/linux:
blk-iocost: do not WARN if iocg was already offlined
block: propagate partition scanning errors to the BLKRRPART ioctl
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Pull email address update from James Bottomley:
"My IBM email has stopped working, so update to a working email
address"
* tag 'email' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
MAINTAINERS: update to working email address
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Pull kvm fixes from Paolo Bonzini:
"This is a bit on the large side, mostly due to two changes:
- Changes to disable some broken PMU virtualization (see below for
details under "x86 PMU")
- Clean up SVM's enter/exit assembly code so that it can be compiled
without OBJECT_FILES_NON_STANDARD. This fixes a warning "Unpatched
return thunk in use. This should not happen!" when running KVM
selftests.
Everything else is small bugfixes and selftest changes:
- Fix a mostly benign bug in the gfn_to_pfn_cache infrastructure
where KVM would allow userspace to refresh the cache with a bogus
GPA. The bug has existed for quite some time, but was exposed by a
new sanity check added in 6.9 (to ensure a cache is either
GPA-based or HVA-based).
- Drop an unused param from gfn_to_pfn_cache_invalidate_start() that
got left behind during a 6.9 cleanup.
- Fix a math goof in x86's hugepage logic for
KVM_SET_MEMORY_ATTRIBUTES that results in an array overflow
(detected by KASAN).
- Fix a bug where KVM incorrectly clears root_role.direct when
userspace sets guest CPUID.
- Fix a dirty logging bug in the where KVM fails to write-protect
SPTEs used by a nested guest, if KVM is using Page-Modification
Logging and the nested hypervisor is NOT using EPT.
x86 PMU:
- Drop support for virtualizing adaptive PEBS, as KVM's
implementation is architecturally broken without an obvious/easy
path forward, and because exposing adaptive PEBS can leak host LBRs
to the guest, i.e. can leak host kernel addresses to the guest.
- Set the enable bits for general purpose counters in
PERF_GLOBAL_CTRL at RESET time, as done by both Intel and AMD
processors.
- Disable LBR virtualization on CPUs that don't support LBR
callstacks, as KVM unconditionally uses
PERF_SAMPLE_BRANCH_CALL_STACK when creating the perf event, and
would fail on such CPUs.
Tests:
- Fix a flaw in the max_guest_memory selftest that results in it
exhausting the supply of ucall structures when run with more than
256 vCPUs.
- Mark KVM_MEM_READONLY as supported for RISC-V in
set_memory_region_test"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (30 commits)
KVM: Drop unused @may_block param from gfn_to_pfn_cache_invalidate_start()
KVM: selftests: Add coverage of EPT-disabled to vmx_dirty_log_test
KVM: x86/mmu: Fix and clarify comments about clearing D-bit vs. write-protecting
KVM: x86/mmu: Remove function comments above clear_dirty_{gfn_range,pt_masked}()
KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status
KVM: x86/mmu: Precisely invalidate MMU root_role during CPUID update
KVM: VMX: Disable LBR virtualization if the CPU doesn't support LBR callstacks
perf/x86/intel: Expose existence of callback support to KVM
KVM: VMX: Snapshot LBR capabilities during module initialization
KVM: x86/pmu: Do not mask LVTPC when handling a PMI on AMD platforms
KVM: x86: Snapshot if a vCPU's vendor model is AMD vs. Intel compatible
KVM: x86: Stop compiling vmenter.S with OBJECT_FILES_NON_STANDARD
KVM: SVM: Create a stack frame in __svm_sev_es_vcpu_run()
KVM: SVM: Save/restore args across SEV-ES VMRUN via host save area
KVM: SVM: Save/restore non-volatile GPRs in SEV-ES VMRUN via host save area
KVM: SVM: Clobber RAX instead of RBX when discarding spec_ctrl_intercepted
KVM: SVM: Drop 32-bit "support" from __svm_sev_es_vcpu_run()
KVM: SVM: Wrap __svm_sev_es_vcpu_run() with #ifdef CONFIG_KVM_AMD_SEV
KVM: SVM: Create a stack frame in __svm_vcpu_run() for unwinding
KVM: SVM: Remove a useless zeroing of allocated memory
...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix wireguard loading failure on pre-Power10 due to Power10 crypto
routines
- Fix papr-vpd selftest failure due to missing variable initialization
- Avoid unnecessary get/put in spapr_tce_platform_iommu_attach_dev()
Thanks to Geetika Moolchandani, Jason Gunthorpe, Michal Suchánek, Nathan
Lynch, and Shivaprasad G Bhat.
* tag 'powerpc-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc/papr-vpd: Fix missing variable initialization
powerpc/crypto/chacha-p10: Fix failure on non Power10
powerpc/iommu: Refactor spapr_tce_platform_iommu_attach_dev()
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A couple clk driver fixes, a build fix, and a deadlock fix:
- Mediatek mt7988 has broken PCIe because the wrong parent is used
- Mediatek clk drivers may deadlock when registering their clks
because the clk provider device is repeatedly runtime PM resumed
and suspended during probe and clk registration.
Resuming the clk provider device deadlocks with an ABBA deadlock
due to genpd_lock and the clk prepare_lock. The fix is to keep the
device runtime resumed while registering clks.
- Another runtime PM related deadlock, this time with disabling
unused clks during late init.
We get an ABBA deadlock where a device is runtime PM resuming (or
suspending) while the disabling of unused clks is happening in
parallel. That runtime PM action calls into the clk framework and
tries to grab the clk prepare_lock while the disabling of unused
clks holds the prepare_lock and is waiting for that runtime PM
action to complete.
The fix is to runtime resume all the clk provider devices before
grabbing the clk prepare_lock during disable unused.
- A build fix to provide an empty devm_clk_rate_exclusive_get()
function when CONFIG_COMMON_CLK=n"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: mediatek: mt7988-infracfg: fix clocks for 2nd PCIe port
clk: mediatek: Do a runtime PM get on controllers during probe
clk: Get runtime PM before walking tree for clk_summary
clk: Get runtime PM before walking tree during disable_unused
clk: Initialize struct clk_core kref earlier
clk: Don't hold prepare_lock when calling kref_put()
clk: Remove prepare_lock hold assertion in __clk_release()
clk: Provide !COMMON_CLK dummy for devm_clk_rate_exclusive_get()
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Performance regression reported with NFS/RDMA using Omnipath,
bisected to commit e084ee673c77 ("svcrdma: Add Write chunk WRs to
the RPC's Send WR chain").
Tracing on the server reports:
nfsd-7771 [060] 1758.891809: svcrdma_sq_post_err:
cq.id=205 cid=226 sc_sq_avail=13643/851 status=-12
sq_post_err reports ENOMEM, and the rdma->sc_sq_avail (13643) is
larger than rdma->sc_sq_depth (851). The number of available Send
Queue entries is always supposed to be smaller than the Send Queue
depth. That seems like a Send Queue accounting bug in svcrdma.
As it's getting to be late in the 6.9-rc cycle, revert this commit.
It can be revisited in a subsequent kernel release.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218743
Fixes: e084ee673c77 ("svcrdma: Add Write chunk WRs to the RPC's Send WR chain")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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jejb@linux.ibm.com no longer works.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Fix a missing bounds check in superblock validation.
Note that we don't yet have repair code for this case - repair code for
individual items is generally low priority, since the whole superblock
is checksummed, validated prior to write, and we have backups.
Reported-by: lei lu <llfamsec@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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If capabilities of the share is not SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY,
ksmbd should not grant a persistent handle to the client.
This patch add continuous availability share parameter to control it.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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network_open_info
4byte padding cause the connection issue with the applications of MacOS.
smb2_close response size increases by 4 bytes by padding, And the smb
client of MacOS check it and stop the connection. This patch use
struct_group_attr instead of struct_group for network_open_info to use
__packed to avoid padding.
Fixes: 0015eb6e1238 ("smb: client, common: fix fortify warnings")
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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File overwrite case is explicitly handled, so it is not necessary to
pass RENAME_NOREPLACE to vfs_rename.
Clearing the flag fixes rename operations when the share is a ntfs-3g
mount. The latter uses an older version of fuse with no support for
flags in the ->rename op.
Cc: stable@vger.kernel.org
Signed-off-by: Marios Makassikis <mmakassikis@freebox.fr>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The response buffer should be allocated in smb2_allocate_rsp_buf
before validating request. But the fields in payload as well as smb2 header
is used in smb2_allocate_rsp_buf(). This patch add simple buffer size
validation to avoid potencial out-of-bounds in request buffer.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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If ->ProtocolId is SMB2_TRANSFORM_PROTO_NUM, smb2 request size
validation could be skipped. if request size is smaller than
sizeof(struct smb2_query_info_req), slab-out-of-bounds read can happen in
smb2_allocate_rsp_buf(). This patch allocate response buffer after
decrypting transform request. smb3_decrypt_req() will validate transform
request size and avoid slab-out-of-bound in smb2_allocate_rsp_buf().
Reported-by: Norbert Szetei <norbert@doyensec.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"A random set of small bug fixes:
- Fix perf annotate TUI when used with data type profiling
- Work around BPF verifier about sighand lock checking
And a set of kernel header synchronization"
* tag 'perf-tools-fixes-for-v6.9-2024-04-19' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
tools/include: Sync arm64 asm/cputype.h with the kernel sources
tools/include: Sync asm-generic/bitops/fls.h with the kernel sources
tools/include: Sync x86 asm/msr-index.h with the kernel sources
tools/include: Sync x86 asm/irq_vectors.h with the kernel sources
tools/include: Sync x86 CPU feature headers with the kernel sources
tools/include: Sync uapi/sound/asound.h with the kernel sources
tools/include: Sync uapi/linux/kvm.h and asm/kvm.h with the kernel sources
tools/include: Sync uapi/linux/fs.h with the kernel sources
tools/include: Sync uapi/drm/i915_drm.h with the kernel sources
perf lock contention: Add a missing NULL check
perf annotate: Make sure to call symbol__annotate2() in TUI
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