In cpufreq basic selftests, one of the testcases is to read all cpufreq
sysfs files and print the values. This testcase assumes all the cpufreq
sysfs files have read permissions. However certain cpufreq sysfs files
(eg. stats/reset) are write only files and this testcase errors out
when it is not able to read the file.
Similarily, there is one more testcase which reads the cpufreq sysfs
file data and write it back to same file. This testcase also errors out
for sysfs files without read permission.
Fix these testcases by adding proper read permission checks.
Link: https://lore.kernel.org/r/20250430171433.10866-1-swapnil.sapkal@amd.com
Reported-by: Narasimhan V <narasimhan.v@amd.com>
Signed-off-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Poll program is a helper to ftracetest, thus make it a
generic file and remove it from being run as a test.
Currently when executing tests using
$ make run_tests
CC poll
TAP version 13
1..2
# timeout set to 0
# selftests: ftrace: poll
# Error: Polling file is not specified
not ok 1 selftests: ftrace: poll # exit=255
Fix this by using TEST_GEN_FILES to build the 'poll' binary as a helper
rather than as a test.
Fixes: 80c3e28528 ("selftests/tracing: Add hist poll() support test")
Link: https://lore.kernel.org/r/20250409044632.363285-1-Ayush.jain3@amd.com
Signed-off-by: Ayush Jain <Ayush.jain3@amd.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Merge tag 'pci-v6.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Bjorn Helgaas:
- When releasing a start-aligned resource, e.g., a bridge window, save
start/end/flags for the next assignment attempt; fixes a v6.15-rc1
regression (Ilpo Järvinen)
- Move set_pcie_speed.sh from TEST_PROGS to TEST_FILE; fixes a bwctrl
selftest v6.15-rc1 regression (Ilpo Järvinen)
- Add Manivannan Sadhasivam as maintainer of native host bridge and
endpoint drivers (Manivannan Sadhasivam)
- In endpoint test driver, defer IRQ allocation from .probe() until
ioctl() to fix a regression on platforms where the Vendor/Device ID
match doesn't include driver_data (Niklas Cassel)
* tag 'pci-v6.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
misc: pci_endpoint_test: Defer IRQ allocation until ioctl(PCITEST_SET_IRQTYPE)
MAINTAINERS: Move Manivannan Sadhasivam as PCI Native host bridge and endpoint maintainer
selftests/pcie_bwctrl: Fix test progs list
PCI: Restore assigned resources fully after release
- Revert a v6.15 patch due to a report of SELinux test failures
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Merge tag 'nfsd-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Revert a v6.15 patch due to a report of SELinux test failures
* tag 'nfsd-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
Revert "sunrpc: clean cache_detail immediately when flush is written frequently"
- Fix 32-bit kernel boot crash if passed physical
memory with more than 32 address bits
- Fix Xen PV crash
- Work around build bug in certain limited build environments
- Fix CTEST instruction decoding in insn_decoder_test
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Fix 32-bit kernel boot crash if passed physical memory with more than
32 address bits
- Fix Xen PV crash
- Work around build bug in certain limited build environments
- Fix CTEST instruction decoding in insn_decoder_test
* tag 'x86-urgent-2025-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/insn: Fix CTEST instruction decoding
x86/boot: Work around broken busybox 'truncate' tool
x86/mm: Fix _pgd_alloc() for Xen PV mode
x86/e820: Discard high memory that can't be addressed by 32-bit systems
[ Arguably if pick_eevdf()/pick_next_entity() was less trusting
of complex math being correct it could have de-escalated a
crash into a warning, but that's for a different patch. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2025-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar:
"Fix sporadic crashes in dequeue_entities() due to ... bad math.
[ Arguably if pick_eevdf()/pick_next_entity() was less trusting of
complex math being correct it could have de-escalated a crash into
a warning, but that's for a different patch ]"
* tag 'sched-urgent-2025-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/eevdf: Fix se->slice being set to U64_MAX and resulting crash
- Use POLLERR for events in error state, instead of
the ambiguous POLLHUP error value
- Fix non-sampling (counting) events on certain x86 platforms
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2025-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc perf events fixes from Ingo Molnar:
- Use POLLERR for events in error state, instead of the ambiguous
POLLHUP error value
- Fix non-sampling (counting) events on certain x86 platforms
* tag 'perf-urgent-2025-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Fix non-sampling (counting) events on certain x86 platforms
perf/core: Change to POLLERR for pinned events with error
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Merge tag 'loongarch-fixes-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
"Add a missing Kconfig option, fix some bugs in exception handlers,
memory management and KVM"
* tag 'loongarch-fixes-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: KVM: Fix PMU pass-through issue if VM exits to host finally
LoongArch: KVM: Fully clear some CSRs when VM reboot
LoongArch: KVM: Fix multiple typos of KVM code
LoongArch: Return NULL from huge_pte_offset() for invalid PMD
LoongArch: Remove a bogus reference to ZONE_DMA
LoongArch: Handle fp, lsx, lasx and lbt assembly symbols
LoongArch: Make do_xyz() exception handlers more robust
LoongArch: Make regs_irqs_disabled() more clear
LoongArch: Select ARCH_USE_MEMTEST
This is a bit late as I was on holiday, but as there are no huge
structural changes I hope it's OK to include mid release cycle.
- Support for cacheinfo API to expose OpenRISC cache info via sysfs,
this also translated to some cleanups to OpenRISC cache flush and
invalidate API's
- Documentation updates for new mailing list and toolchain binaries
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
- Support for cacheinfo API to expose OpenRISC cache info via sysfs,
this also translated to some cleanups to OpenRISC cache flush and
invalidate API's
- Documentation updates for new mailing list and toolchain binaries
* tag 'for-linus' of https://github.com/openrisc/linux:
Documentation: openrisc: Update toolchain binaries URL
Documentation: openrisc: Update mailing list
openrisc: Add cacheinfo support
openrisc: Introduce new utility functions to flush and invalidate caches
openrisc: Refactor struct cpuinfo_or1k to reduce duplication
Ondrej reports that certain SELinux tests are failing after commit
fc2a169c56 ("sunrpc: clean cache_detail immediately when flush is
written frequently"), merged during the v6.15 merge window.
Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Fixes: fc2a169c56 ("sunrpc: clean cache_detail immediately when flush is written frequently")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
- Ensure prime numbers tests are included in KUnit test runs (Mark Brown)
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Merge tag 'move-lib-kunit-v6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull kunit fix from Kees Cook:
"A single fix for the kunit lib/tests/ relocation:
- Ensure prime numbers tests are included in KUnit test runs (Mark Brown)"
* tag 'move-lib-kunit-v6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
lib: Ensure prime numbers tests are included in KUnit test runs
amdgpu:
- P2P DMA fixes
- Display reset fixes
- DCN 3.5 fixes
- ACPI EDID fix
- LTTPR fix
- mode_valid() fix
exynos:
- fix spelling error
- remove redundant error handling in exynos_drm_vidi.c module.
- marks struct decon_data as const in the exynos7_drm_decon driver since it is only read.
- Remove unnecessary checking in exynos_drm_drv.c module
meson:
- Fix VCLK calculation
panel:
- jd9365a: Fix reset polarity
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Merge tag 'drm-fixes-2025-04-26' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly drm fixes, mostly amdgpu, with some exynos cleanups and a
couple of minor fixes, seems a bit quiet, but probably some lag from
Easter holidays.
amdgpu:
- P2P DMA fixes
- Display reset fixes
- DCN 3.5 fixes
- ACPI EDID fix
- LTTPR fix
- mode_valid() fix
exynos:
- fix spelling error
- remove redundant error handling in exynos_drm_vidi.c module
- marks struct decon_data as const in the exynos7_drm_decon driver
since it is only read
- Remove unnecessary checking in exynos_drm_drv.c module
meson:
- Fix VCLK calculation
panel:
- jd9365a: Fix reset polarity"
* tag 'drm-fixes-2025-04-26' of https://gitlab.freedesktop.org/drm/kernel:
drm/exynos: Fix spelling mistake "enqueu" -> "enqueue"
drm/exynos: exynos7_drm_decon: Consstify struct decon_data
drm/exynos: fixed a spelling error
drm/exynos/vidi: Remove redundant error handling in vidi_get_modes()
drm/exynos: Remove unnecessary checking
drm/amd/display: do not copy invalid CRTC timing info
drm/amd/display: Default IPS to RCG_IN_ACTIVE_IPS2_IN_OFF
drm/amd/display: Use 16ms AUX read interval for LTTPR with old sinks
drm/amd/display: Fix ACPI edid parsing on some Lenovo systems
drm/amdgpu: Allow P2P access through XGMI
drm/amd/display: Enable urgent latency adjustment on DCN35
drm/amd/display: Force full update in gpu reset
drm/amd/display: Fix gpu reset in multidisplay config
drm/amdgpu: Don't pin VRAM without DMABUF_MOVE_NOTIFY
drm/amdgpu: Use allowed_domains for pinning dmabufs
drm: panel: jd9365da: fix reset signal polarity in unprepare
drm/meson: use unsigned long long / Hz for frequency types
Revert "drm/meson: vclk: fix calculation of 59.94 fractional rates"
There is a code path in dequeue_entities() that can set the slice of a
sched_entity to U64_MAX, which sometimes results in a crash.
The offending case is when dequeue_entities() is called to dequeue a
delayed group entity, and then the entity's parent's dequeue is delayed.
In that case:
1. In the if (entity_is_task(se)) else block at the beginning of
dequeue_entities(), slice is set to
cfs_rq_min_slice(group_cfs_rq(se)). If the entity was delayed, then
it has no queued tasks, so cfs_rq_min_slice() returns U64_MAX.
2. The first for_each_sched_entity() loop dequeues the entity.
3. If the entity was its parent's only child, then the next iteration
tries to dequeue the parent.
4. If the parent's dequeue needs to be delayed, then it breaks from the
first for_each_sched_entity() loop _without updating slice_.
5. The second for_each_sched_entity() loop sets the parent's ->slice to
the saved slice, which is still U64_MAX.
This throws off subsequent calculations with potentially catastrophic
results. A manifestation we saw in production was:
6. In update_entity_lag(), se->slice is used to calculate limit, which
ends up as a huge negative number.
7. limit is used in se->vlag = clamp(vlag, -limit, limit). Because limit
is negative, vlag > limit, so se->vlag is set to the same huge
negative number.
8. In place_entity(), se->vlag is scaled, which overflows and results in
another huge (positive or negative) number.
9. The adjusted lag is subtracted from se->vruntime, which increases or
decreases se->vruntime by a huge number.
10. pick_eevdf() calls entity_eligible()/vruntime_eligible(), which
incorrectly returns false because the vruntime is so far from the
other vruntimes on the queue, causing the
(vruntime - cfs_rq->min_vruntime) * load calulation to overflow.
11. Nothing appears to be eligible, so pick_eevdf() returns NULL.
12. pick_next_entity() tries to dereference the return value of
pick_eevdf() and crashes.
Dumping the cfs_rq states from the core dumps with drgn showed tell-tale
huge vruntime ranges and bogus vlag values, and I also traced se->slice
being set to U64_MAX on live systems (which was usually "benign" since
the rest of the runqueue needed to be in a particular state to crash).
Fix it in dequeue_entities() by always setting slice from the first
non-empty cfs_rq.
Fixes: aef6987d89 ("sched/eevdf: Propagate min_slice up the cgroup hierarchy")
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/f0c2d1072be229e1bdddc73c0703919a8b00c652.1745570998.git.osandov@fb.com
With ACPI in place, gicv2m_get_fwnode() is registered with the pci
subsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime
during a PCI host bridge probe. But, the call back is wrongly marked as
__init, causing it to be freed, while being registered with the PCI
subsystem and could trigger:
Unable to handle kernel paging request at virtual address ffff8000816c0400
gicv2m_get_fwnode+0x0/0x58 (P)
pci_set_bus_msi_domain+0x74/0x88
pci_register_host_bridge+0x194/0x548
This is easily reproducible on a Juno board with ACPI boot.
Retain the function for later use.
Fixes: 0644b3daca ("irqchip/gic-v2m: acpi: Introducing GICv2m ACPI support")
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
In function kvm_pre_enter_guest(), it prepares to enter guest and check
whether there are pending signals or events. And it will not enter guest
if there are, PMU pass-through preparation for guest should be cancelled
and host should own PMU hardware.
Cc: stable@vger.kernel.org
Fixes: f4e40ea9f7 ("LoongArch: KVM: Add PMU support for guest")
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Some registers such as LOONGARCH_CSR_ESTAT and LOONGARCH_CSR_GINTC are
partly cleared with function _kvm_setcsr(). This comes from the hardware
specification, some bits are read only in VM mode, and however they can
be written in host mode. So they are partly cleared in VM mode, and can
be fully cleared in host mode.
These read only bits show pending interrupt or exception status. When VM
reset, the read-only bits should be cleared, otherwise vCPU will receive
unknown interrupts in boot stage.
Here registers LOONGARCH_CSR_ESTAT/LOONGARCH_CSR_GINTC are fully cleared
in ioctl KVM_REG_LOONGARCH_VCPU_RESET vCPU reset path.
Cc: stable@vger.kernel.org
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
LoongArch's huge_pte_offset() currently returns a pointer to a PMD slot
even if the underlying entry points to invalid_pte_table (indicating no
mapping). Callers like smaps_hugetlb_range() fetch this invalid entry
value (the address of invalid_pte_table) via this pointer.
The generic is_swap_pte() check then incorrectly identifies this address
as a swap entry on LoongArch, because it satisfies the "!pte_present()
&& !pte_none()" conditions. This misinterpretation, combined with a
coincidental match by is_migration_entry() on the address bits, leads to
kernel crashes in pfn_swap_entry_to_page().
Fix this at the architecture level by modifying huge_pte_offset() to
check the PMD entry's content using pmd_none() before returning. If the
entry is invalid (i.e., it points to invalid_pte_table), return NULL
instead of the pointer to the slot.
Cc: stable@vger.kernel.org
Acked-by: Peter Xu <peterx@redhat.com>
Co-developed-by: Hongchen Zhang <zhanghongchen@loongson.cn>
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn>
Signed-off-by: Ming Wang <wangming01@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Remove dead code. LoongArch does not have a DMA memory zone (24bit DMA).
The architecture does not even define MAX_DMA_PFN.
Cc: stable@vger.kernel.org
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Petr Tesarik <ptesarik@suse.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Like the other relevant symbols, export some fp, lsx, lasx and lbt
assembly symbols and put the function declarations in header files
rather than source files.
While at it, use "asmlinkage" for the other existing C prototypes
of assembly functions and also do not use the "extern" keyword with
function declarations according to the document coding-style.rst.
Cc: stable@vger.kernel.org # 6.6+
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Currently, interrupts need to be disabled before single-step mode is
set, it requires that CSR_PRMD_PIE be cleared in save_local_irqflag()
which is called by setup_singlestep(), this is reasonable.
But in the first kprobe breakpoint exception, if the irq is enabled at
the beginning of do_bp(), it will not be disabled at the end of do_bp()
due to the CSR_PRMD_PIE has been cleared in save_local_irqflag(). So for
this case, it may corrupt exception context when restoring the exception
after do_bp() in handle_bp(), this is not reasonable.
In order to restore exception safely in handle_bp(), it needs to ensure
the irq is disabled at the end of do_bp(), so just add a local variable
to record the original interrupt status in the parent context, then use
it as the check condition to enable and disable irq in do_bp().
While at it, do the similar thing for other do_xyz() exception handlers
to make them more robust.
Fixes: 6d4cc40fb5 ("LoongArch: Add kprobes support")
Suggested-by: Jinyang He <hejinyang@loongson.cn>
Suggested-by: Huacai Chen <chenhuacai@loongson.cn>
Co-developed-by: Tianyang Zhang <zhangtianyang@loongson.cn>
Signed-off-by: Tianyang Zhang <zhangtianyang@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
In the current code, the definition of regs_irqs_disabled() is actually
"!(regs->csr_prmd & CSR_CRMD_IE)" because arch_irqs_disabled_flags() is
defined as "!(flags & CSR_CRMD_IE)", it looks a little strange.
Define regs_irqs_disabled() as !(regs->csr_prmd & CSR_PRMD_PIE) directly
to make it more clear, no functional change.
While at it, the return value of regs_irqs_disabled() is true or false,
so change its type to reflect that and also make it always inline.
Fixes: 803b0fc5c3 ("LoongArch: Add process management")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
As of commit dce4456619 ("mm/memtest: add ARCH_USE_MEMTEST"),
architectures must select ARCH_USE_MEMTESET to enable CONFIG_MEMTEST.
Commit 628c3bb40e ("LoongArch: Add boot and setup routines") added
support for early_memtest but did not select ARCH_USE_MEMTESET.
Fixes: 628c3bb40e ("LoongArch: Add boot and setup routines")
Tested-by: Erpeng Xu <xuerpeng@uniontech.com>
Tested-by: Yuli Wang <wangyuli@uniontech.com>
Signed-off-by: Yuli Wang <wangyuli@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Make sure that CAN_USE_BPF_ST test (compute_live_registers/store) is
enabled when __clang_major__ >= 18.
Fixes: 2ea8f6a1cd ("selftests/bpf: test cases for compute_live_registers()")
Signed-off-by: Peilin Ye <yepeilin@google.com>
Link: https://lore.kernel.org/r/20250425213712.1542077-1-yepeilin@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
* Fix the incorrect return type of ata_mselect_control_ata_feature()
* Several fixes for the control of the Command Duration Limits feature
to avoid unnecessary enable and disable actions. Avoiding the
unnecessary enable action also avoids unwanted resets of the CDL
statistics log page as that is implied for any enable action.
* Fix the translation for sensing the control mode page to correctly
return the last enable or disable action performed, as defined in
SAT-6. This correct mode sense information is used to fix the
behavior of the scsi layer to avoid unnecessary mode select command
issuing.
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Merge tag 'ata-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Fix the incorrect return type of ata_mselect_control_ata_feature()
- Several fixes for the control of the Command Duration Limits feature
to avoid unnecessary enable and disable actions. Avoiding the
unnecessary enable action also avoids unwanted resets of the CDL
statistics log page as that is implied for any enable action.
- Fix the translation for sensing the control mode page to correctly
return the last enable or disable action performed, as defined in
SAT-6. This correct mode sense information is used to fix the
behavior of the scsi layer to avoid unnecessary mode select command
issuing.
* tag 'ata-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
scsi: Improve CDL control
ata: libata-scsi: Improve CDL control
ata: libata-scsi: Fix ata_msense_control_ata_feature()
ata: libata-scsi: Fix ata_mselect_control_ata_feature() return type
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Merge tag 'vfs-6.15-rc4.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- For some reason we went from zero to three maintainers for HFS/HFS+
in a matter of days. The lesson to learn from this might just be that
we need to threaten code removal more often!?
- Fix a regression introduced by enabling large folios for lage logical
block sizes. This has caused issues for noref migration with large
folios due to sleeping while in an atomic context.
New sleeping variants of pagecache lookup helpers are introduced.
These helpers take the folio lock instead of the mapping's private
spinlock. The problematic users are converted to the sleeping
variants and serialize against noref migration. Atomic users will
bail on seeing the new BH_Migrate flag.
This also shrinks the critical region of the mapping's private lock
and the new blocking callers reduce contention on the spinlock for
bdev mappings.
- Fix two bugs in do_move_mount() when with MOVE_MOUNT_BENEATH. The
first bug is using a mountpoint that is located on a mount we're not
holding a reference to. The second bug is putting the mountpoint
after we've called namespace_unlock() as it's no longer guaranteed
that it does stay a mountpoint.
- Remove a pointless call to vfs_getattr_nosec() in the devtmpfs code
just to query i_mode instead of simply querying the inode directly.
This also avoids lifetime issues for the dm code by an earlier bugfix
this cycle that moved bdev_statx() handling into vfs_getattr_nosec().
- Fix AT_FDCWD handling with getname_maybe_null() in the xattr code.
- Fix a performance regression for files when multiple callers issue a
close when it's not the last reference.
- Remove a duplicate noinline annotation from pipe_clear_nowait().
* tag 'vfs-6.15-rc4.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs/xattr: Fix handling of AT_FDCWD in setxattrat(2) and getxattrat(2)
MAINTAINERS: hfs/hfsplus: add myself as maintainer
splice: remove duplicate noinline from pipe_clear_nowait
devtmpfs: don't use vfs_getattr_nosec to query i_mode
fix a couple of races in MNT_TREE_BENEATH handling by do_move_mount()
fs: fall back to file_ref_put() for non-last reference
mm/migrate: fix sleep in atomic for large folios and buffer heads
fs/ext4: use sleeping version of sb_find_get_block()
fs/jbd2: use sleeping version of __find_get_block()
fs/ocfs2: use sleeping version of __find_get_block()
fs/buffer: use sleeping version of __find_get_block()
fs/buffer: introduce sleeping flavors for pagecache lookups
MAINTAINERS: add HFS/HFS+ maintainers
fs/buffer: split locking for pagecache lookups
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Merge tag 'ceph-for-6.15-rc4' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A small CephFS encryption-related fix and a dead code cleanup"
* tag 'ceph-for-6.15-rc4' of https://github.com/ceph/ceph-client:
ceph: Fix incorrect flush end position calculation
ceph: Remove osd_client deadcode
- Series to fix using the wrong GPF DVSEC location
- Fix caching of dport GPF DVSEC from the first endpoint
- Ensure that the GPF phase timeout is only updated once by first endpoint
- Drop is_port parameter for cxl_gpf_get_dvsec()
- Fix the devm_* call host device for CXL fwctl setup
- Set the out_len in Set Features failure case
- Fix RCD initialization by skipping unneeded mem_en check
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Merge tag 'cxl-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl fixes from Dave Jiang:
"The fixes address global persistent flush (GPF) changes and CXL
Features support changes that went in the 6.15 merge window. And also
a fix to an issue observed on CXL 1.1 platform during device
enumeration.
Summary:
- Fix using the wrong GPF DVSEC location:
- Fix caching of dport GPF DVSEC from the first endpoint
- Ensure that the GPF phase timeout is only updated once by first
endpoint
- Drop is_port parameter for cxl_gpf_get_dvsec()
- Fix the devm_* call host device for CXL fwctl setup
- Set the out_len in Set Features failure case
- Fix RCD initialization by skipping unneeded mem_en check"
* tag 'cxl-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/core/regs.c: Skip Memory Space Enable check for RCD and RCH Ports
cxl/feature: Update out_len in set feature failure case
cxl: Fix devm host device for CXL fwctl initialization
cxl/pci: Drop the parameter is_port of cxl_gpf_get_dvsec()
cxl/pci: Update Port GPF timeout only when the first EP attaching
cxl/core: Fix caching dport GPF DVSEC issue
- fix spelling error
- remove redundant error handling in exynos_drm_vidi.c module.
- marks struct decon_data as const in the exynos7_drm_decon driver since it is only read.
Cleanup
- Remove unnecessary checking in exynos_drm_drv.c module
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Merge tag 'exynos-drm-fixes-for-v6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Several fixups
- fix spelling error
- remove redundant error handling in exynos_drm_vidi.c module.
- marks struct decon_data as const in the exynos7_drm_decon driver since it is only read.
Cleanup
- Remove unnecessary checking in exynos_drm_drv.c module
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://lore.kernel.org/r/20250423143044.46165-1-inki.dae@samsung.com
* A fix for a missing icache flush in uprobes, which manifests as at
least a BFF selftest failure on the Spacemit X1.
* A workaround for build warnings in flush_icache_range().
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Merge tag 'riscv-for-linus-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for a missing icache flush in uprobes, which manifests as at
least a BFF selftest failure on the Spacemit X1
- A workaround for build warnings in flush_icache_range()
* tag 'riscv-for-linus-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: uprobes: Add missing fence.i after building the XOL buffer
riscv: Replace function-like macro by static inline function
* Single fix for broken usage of 'multi-MIDR' infrastructure in PI
code, adding an open-coded erratum check for everyone's favorite pile
of sand: Cavium ThunderX
x86:
* Bugfixes from a planned posted interrupt rework
* Do not use kvm_rip_read() unconditionally to cater for guests
with inaccessible register state.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Single fix for broken usage of 'multi-MIDR' infrastructure in PI
code, adding an open-coded erratum check for everyone's favorite
pile of sand: Cavium ThunderX
x86:
- Bugfixes from a planned posted interrupt rework
- Do not use kvm_rip_read() unconditionally to cater for guests with
inaccessible register state"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Do not use kvm_rip_read() unconditionally for KVM_PROFILING
KVM: x86: Do not use kvm_rip_read() unconditionally in KVM tracepoints
KVM: SVM: WARN if an invalid posted interrupt IRTE entry is added
iommu/amd: WARN if KVM attempts to set vCPU affinity without posted intrrupts
iommu/amd: Return an error if vCPU affinity is set for non-vCPU IRTE
KVM: x86: Take irqfds.lock when adding/deleting IRQ bypass producer
KVM: x86: Explicitly treat routing entry type changes as changes
KVM: x86: Reset IRTE to host control if *new* route isn't postable
KVM: SVM: Allocate IR data using atomic allocation
KVM: SVM: Don't update IRTEs if APICv/AVIC is disabled
KVM: arm64, x86: make kvm_arch_has_irq_bypass() inline
arm64: Rework checks for broken Cavium HW in the PI code
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Merge tag 'block-6.15-20250424' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fix autoloading of drivers from stat*(2)
- Fix losing read-ahead setting one suspend/resume, when a device is
re-probed.
- Fix race between setting the block size and page cache updates.
Includes a helper that a coming XFS fix will use as well.
- ublk cancelation fixes.
- ublk selftest additions and fixes.
- NVMe pull via Christoph:
- fix an out-of-bounds access in nvmet_enable_port (Richard
Weinberger)
* tag 'block-6.15-20250424' of git://git.kernel.dk/linux:
ublk: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd
ublk: call ublk_dispatch_req() for handling UBLK_U_IO_NEED_GET_DATA
block: don't autoload drivers on blk-cgroup configuration
block: don't autoload drivers on stat
block: remove the backing_inode variable in bdev_statx
block: move blkdev_{get,put} _no_open prototypes out of blkdev.h
block: never reduce ra_pages in blk_apply_bdi_limits
selftests: ublk: common: fix _get_disk_dev_t for pre-9.0 coreutils
selftests: ublk: remove useless 'delay_us' from 'struct dev_ctx'
selftests: ublk: fix recover test
block: hoist block size validation code to a separate function
block: fix race between set_blocksize and read paths
nvmet: fix out-of-bounds access in nvmet_enable_port
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Merge tag 'io_uring-6.15-20250424' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix an older bug for handling of fallback task_work, when the task is
exiting. Found by code inspection while reworking cancelation.
- Fix duplicate flushing in one of the CQE posting helpers.
* tag 'io_uring-6.15-20250424' of git://git.kernel.dk/linux:
io_uring: fix 'sync' handling of io_fallback_tw()
io_uring: don't duplicate flushing in io_req_post_cqe
- Fix possible out-of-bound / NULL-ptr-deref in cpufreq drivers (Henry
Martin, Andre Przywara).
- Fix Kconfig issues with compile-test in cpufreq drivers (Krzysztof
Kozlowski, Johan Hovold).
- Fix invalid return value in .get() in the CPPC cpufreq driver (Marc
Zyngier).
- Add SM8650 to cpufreq-dt-platdev blocklist (Pengyu Luo).
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Merge tag 'pm-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These are cpufreq driver fixes addressing multiple assorted issues:
- Fix possible out-of-bound / NULL-ptr-deref in cpufreq drivers
(Henry Martin, Andre Przywara)
- Fix Kconfig issues with compile-test in cpufreq drivers (Krzysztof
Kozlowski, Johan Hovold)
- Fix invalid return value in .get() in the CPPC cpufreq driver (Marc
Zyngier)
- Add SM8650 to cpufreq-dt-platdev blocklist (Pengyu Luo)"
* tag 'pm-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: fix compile-test defaults
cpufreq: cppc: Fix invalid return value in .get() callback
cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate()
cpufreq: scmi: Fix null-ptr-deref in scmi_cpufreq_get_rate()
cpufreq: apple-soc: Fix null-ptr-deref in apple_soc_cpufreq_get_rate()
cpufreq: Do not enable by default during compile testing
cpufreq: Add SM8650 to cpufreq-dt-platdev blocklist
cpufreq: sun50i: prevent out-of-bounds access
Here are some small USB driver fixes and new device ids for 6.15-rc4.
Nothing major in here, just the normal set of issues that have cropped
up after -rc1:
- new device ids for usb-serial drivers
- new device quirks added
- typec driver fixes
- chipidea driver fixes
- xhci driver fixes
- wdm driver fixes
- cdns3 driver fixes
- MAINTAINERS file update
All of these, except for the MAINTAINERS file update, have been in
linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes and new device ids for 6.15-rc4.
Nothing major in here, just the normal set of issues that have cropped
up after -rc1:
- new device ids for usb-serial drivers
- new device quirks added
- typec driver fixes
- chipidea driver fixes
- xhci driver fixes
- wdm driver fixes
- cdns3 driver fixes
- MAINTAINERS file update
All of these, except for the MAINTAINERS file update, have been in
linux-next for a while with no reported issues"
* tag 'usb-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (27 commits)
MAINTAINERS: Assign maintainer for the port controller drivers
USB: serial: simple: add OWON HDS200 series oscilloscope support
USB: serial: ftdi_sio: add support for Abacus Electrics Optical Probe
USB: serial: option: add Sierra Wireless EM9291
usb: typec: class: Unlocked on error in typec_register_partner()
usb: quirks: Add delay init quirk for SanDisk 3.2Gen1 Flash Drive
USB: wdm: add annotation
USB: wdm: wdm_wwan_port_tx_complete mutex in atomic context
USB: wdm: close race between wdm_open and wdm_wwan_port_stop
USB: wdm: handle IO errors in wdm_wwan_port_start
USB: VLI disk crashes if LPM is used
usb: dwc3: gadget: check that event count does not exceed event buffer length
USB: storage: quirk for ADATA Portable HDD CH94
usb: quirks: add DELAY_INIT quirk for Silicon Motion Flash Drive
USB: OHCI: Add quirk for LS7A OHCI controller (rev 0x02)
usb: dwc3: xilinx: Prevent spike in reset signal
usb: cdns3: Fix deadlock when using NCM gadget
usb: chipidea: ci_hdrc_imx: implement usb_phy_init() error handling
usb: chipidea: ci_hdrc_imx: fix call balance of regulator routines
usb: chipidea: ci_hdrc_imx: fix usbmisc handling
...
Here are 3 small tty/serial driver fixes for 6.15-rc4 to resolve some
reported issues. They include:
- permissions change for TIOCL_SELMOUSEREPORT to resolve a relaxing of
permissions that showed up 6.14 that wasn't _quite_ right.
- sifive serial driver fix
- msm serial driver fix
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are three small tty/serial driver fixes for 6.15-rc4 to resolve
some reported issues. They are:
- permissions change for TIOCL_SELMOUSEREPORT to resolve a relaxing
of permissions that showed up 6.14 that wasn't _quite_ right.
- sifive serial driver fix
- msm serial driver fix
All of these have been in linux-next for over a week with no reported
issues"
* tag 'tty-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: sifive: lock port in startup()/shutdown() callbacks
tty: Require CAP_SYS_ADMIN for all usages of TIOCL_SELMOUSEREPORT
serial: msm: Configure correct working mode before starting earlycon
Here are some small char/misc driver fixes to resolve reported problems
for 6.15-rc4. Included in here are:
- misc chrdev region range fix reported by many people
- nvmem driver fixes and dt updates
- mei new device id and fixes
- comedi driver fix
- pps driver fix
- binder debug log fix
- pci1xxxx driver fixes
- firmware driver fix
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc driver fixes to resolve reported
problems for 6.15-rc4. Included in here are:
- misc chrdev region range fix reported by many people
- nvmem driver fixes and dt updates
- mei new device id and fixes
- comedi driver fix
- pps driver fix
- binder debug log fix
- pci1xxxx driver fixes
- firmware driver fix
All of these have been in linux-next for over a week with no reported
issues"
* tag 'char-misc-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (25 commits)
firmware: stratix10-svc: Add of_platform_default_populate()
mei: vsc: Use struct vsc_tp_packet as vsc-tp tx_buf and rx_buf type
mei: vsc: Fix fortify-panic caused by invalid counted_by() use
pps: generators: tio: fix platform_set_drvdata()
mcb: fix a double free bug in chameleon_parse_gdd()
misc: microchip: pci1xxxx: Fix incorrect IRQ status handling during ack
misc: microchip: pci1xxxx: Fix Kernel panic during IRQ handler registration
char: misc: register chrdev region with all possible minors
mei: me: add panther lake H DID
comedi: jr3_pci: Fix synchronous deletion of timer
binder: fix offset calculation in debug log
intel_th: avoid using deprecated page->mapping, index fields
dt-bindings: nvmem: Add compatible for MSM8960
dt-bindings: nvmem: Add compatible for IPQ5018
nvmem: qfprom: switch to 4-byte aligned reads
nvmem: core: update raw_len if the bit reading is required
nvmem: core: verify cell's raw_len
nvmem: core: fix bit offsets of more than one byte
dt-bindings: nvmem: fixed-cell: increase bits start value to 31
dt-bindings: nvmem: Add compatible for MS8937
...
Here are some small driver core fixes to resolve a number of reported
problems. Included in here are:
- driver core sync fix revert to resolve a much reported problem,
hopefully this is finally resolved
- MAINTAINERS file update, documenting that the driver-core tree is
now under a "shared" maintainership model, thanks to Rafael and
Danilo for offering to do this!
- auxbus documentation and MAINTAINERS file update
- MAINTAINERS file update for Rust PCI code
- firmware rust binding fixup
- software node link fix
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fixes from Greg KH:
"Here are some small driver core fixes to resolve a number of reported
problems. Included in here are:
- driver core sync fix revert to resolve a much reported problem,
hopefully this is finally resolved
- MAINTAINERS file update, documenting that the driver-core tree is
now under a "shared" maintainership model, thanks to Rafael and
Danilo for offering to do this!
- auxbus documentation and MAINTAINERS file update
- MAINTAINERS file update for Rust PCI code
- firmware rust binding fixup
- software node link fix
All of these have been in linux-next for over a week with no reported
issues"
* tag 'driver-core-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
drivers/base/memory: Avoid overhead from for_each_present_section_nr()
software node: Prevent link creation failure from causing kobj reference count imbalance
device property: Add a note to the fwnode.h
drivers/base: Add myself as auxiliary bus reviewer
drivers/base: Extend documentation with preferred way to use auxbus
driver core: fix potential NULL pointer dereference in dev_uevent()
driver core: introduce device_set_driver() helper
Revert "drivers: core: synchronize really_probe() and dev_uevent()"
MAINTAINERS: update the location of the driver-core git tree
rust: firmware: Use `ffi::c_char` type in `FwFunc`
MAINTAINERS: pci: add entry for Rust PCI code
- avoid unused variable warnings (Arnd Bergmann, Marek Szyprowski)
- add runtume warnings and debug messages for devices with limited DMA
capabilities (Balbir Singh, Chen-Yu Tsai)
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Merge tag 'dma-mapping-6.15-2025-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-maping fixes from Marek Szyprowski:
- avoid unused variable warnings (Arnd Bergmann, Marek Szyprowski)
- add runtume warnings and debug messages for devices with limited DMA
capabilities (Balbir Singh, Chen-Yu Tsai)
* tag 'dma-mapping-6.15-2025-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma-coherent: Warn if OF reserved memory is beyond current coherent DMA mask
dma-mapping: Fix warning reported for missing prototype
dma-mapping: avoid potential unused data compilation warning
dma/mapping.c: dev_dbg support for dma_addressing_limited
dma/contiguous: avoid warning about unused size_bytes
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
"This contains a fix for a build failure on some 32-bit architectures
and a warning generating docs"
* tag 'xfs-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove duplicate Zoned Filesystems sections in admin-guide
XFS: fix zoned gc threshold math for 32-bit arches
When building the latest samples/bpf on LoongArch Fedora
make M=samples/bpf
There are compilation errors as follows:
In file included from ./linux/samples/bpf/sockex2_kern.c:2:
In file included from ./include/uapi/linux/in.h:25:
In file included from ./include/linux/socket.h:8:
In file included from ./include/linux/uio.h:9:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/loongarch/include/asm/thread_info.h:15:
In file included from ./arch/loongarch/include/asm/processor.h:13:
In file included from ./arch/loongarch/include/asm/cpu-info.h:11:
./arch/loongarch/include/asm/loongarch.h:13:10: fatal error: 'larchintrin.h' file not found
^~~~~~~~~~~~~~~
1 error generated.
larchintrin.h is included in /usr/lib64/clang/14.0.6/include,
and the header file location is specified at compile time.
Test on LoongArch Fedora:
https://github.com/fedora-remix-loongarch/releases-info
Signed-off-by: Haoran Jiang <jianghaoran@kylinos.cn>
Signed-off-by: zhangxi <zhangxi@kylinos.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250425095042.838824-1-jianghaoran@kylinos.cn
Add namespace to BPF internal symbols used by light skeleton
to prevent abuse and document with the code their allowed usage.
Fixes: b1d18a7574 ("bpf: Extend sys_bpf commands for bpf_syscall programs.")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/bpf/20250425014542.62385-1-alexei.starovoitov@gmail.com
- Case insensitive directories now work
- Ciemap now correctly reports on unwritten pagecache data
- bcachefs tools 1.25.1 was incorrectly picking unaligned bucket sizes;
fix journal and write path bugs this uncovered
And assorted smaller fixes...
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Merge tag 'bcachefs-2025-04-24' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
- Case insensitive directories now work
- Ciemap now correctly reports on unwritten pagecache data
- bcachefs tools 1.25.1 was incorrectly picking unaligned bucket sizes;
fix journal and write path bugs this uncovered
And assorted smaller fixes...
* tag 'bcachefs-2025-04-24' of git://evilpiepirate.org/bcachefs: (24 commits)
bcachefs: Rework fiemap transaction restart handling
bcachefs: add fiemap delalloc extent detection
bcachefs: refactor fiemap processing into extent helper and struct
bcachefs: track current fiemap offset in start variable
bcachefs: drop duplicate fiemap sync flag
bcachefs: Fix btree_iter_peek_prev() at end of inode
bcachefs: Make btree_iter_peek_prev() assert more precise
bcachefs: Unit test fixes
bcachefs: Print mount opts earlier
bcachefs: unlink: casefold d_invalidate
bcachefs: Fix casefold lookups
bcachefs: Casefold is now a regular opts.h option
bcachefs: Implement fileattr_(get|set)
bcachefs: Allocator now copes with unaligned buckets
bcachefs: Start copygc, rebalance threads earlier
bcachefs: Refactor bch2_run_recovery_passes()
bcachefs: bch2_copygc_wakeup()
bcachefs: Fix ref leak in write_super()
bcachefs: Change __journal_entry_close() assert to ERO
bcachefs: Ensure journal space is block size aligned
...
Brandon Kammerdiener says:
====================
This patchset fixes an endless loop condition that can occur in
bpf_for_each_hash_elem, causing the core to softlock. My understanding is
that a combination of RCU list deletion and insertion introduces the new
element after the iteration cursor and that there is a chance that an RCU
reader may in fact use this new element in iteration. The patch uses a
_safe variant of the macro which gets the next element to iterate before
executing the loop body for the current element.
I have also added a subtest in the for_each selftest that can trigger this
condition without the fix.
Changes since v2:
- Renaming and additional checks in selftests/bpf/prog_tests/for_each.c
Changes since v1:
- Added missing Signed-off-by lines to both patches
====================
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://patch.msgid.link/20250424153246.141677-1-brandon.kammerdiener@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Swapnil Sapkal