9c0c4d2...
by
Linus Torvalds <email address hidden>
Merge tag 'block-5.15-2021-10-22' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Fix for the cgroup code not ussing irq safe stats updates, and one fix
for an error handling condition in add_partition()"
* tag 'block-5.15-2021-10-22' of git://git.kernel.dk/linux-block:
block: fix incorrect references to disk objects
blk-cgroup: blk_cgroup_bio_start() should use irq-safe operations on blkg->iostat_cpu
da4d34b...
by
Linus Torvalds <email address hidden>
Merge tag 'io_uring-5.15-2021-10-22' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Two fixes for the max workers limit API that was introduced this
series: one fix for an issue with that code, and one fixing a linked
timeout regression in this series"
* tag 'io_uring-5.15-2021-10-22' of git://git.kernel.dk/linux-block:
io_uring: apply worker limits to previous users
io_uring: fix ltimeout unprep
io_uring: apply max_workers limit to all future users
io-wq: max_worker fixes
5ab2ed0...
by
Linus Torvalds <email address hidden>
Merge tag 'fuse-fixes-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
"Syzbot discovered a race in case of reusing the fuse sb (introduced in
this cycle).
Fix it by doing the s_fs_info initialization at the proper place"
* tag 'fuse-fixes-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: clean up error exits in fuse_fill_super()
fuse: always initialize sb->s_fs_info
fuse: clean up fuse_mount destruction
fuse: get rid of fuse_put_super()
fuse: check s_root when destroying sb
477b4e8...
by
Linus Torvalds <email address hidden>
Merge tag 'hyperv-fixes-signed-20211022' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyper-v fix from Wei Liu:
- Fix vmbus ARM64 build (Arnd Bergmann)
* tag 'hyperv-fixes-signed-20211022' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hyperv/vmbus: include linux/bitops.h
On arm64 randconfig builds, hyperv sometimes fails with this
error:
In file included from drivers/hv/hv_trace.c:3:
In file included from drivers/hv/hyperv_vmbus.h:16:
In file included from arch/arm64/include/asm/sync_bitops.h:5:
arch/arm64/include/asm/bitops.h:11:2: error: only <linux/bitops.h> can be included directly
In file included from include/asm-generic/bitops/hweight.h:5:
include/asm-generic/bitops/arch_hweight.h:9:9: error: implicit declaration of function '__sw_hweight32' [-Werror,-Wimplicit-function-declaration]
include/asm-generic/bitops/atomic.h:17:7: error: implicit declaration of function 'BIT_WORD' [-Werror,-Wimplicit-function-declaration]
1d4590f...
by
Linus Torvalds <email address hidden>
Merge tag 'acpi-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix two regressions, one related to ACPI power resources
management and one that broke ACPI tools compilation.
Specifics:
- Stop turning off unused ACPI power resources in an unknown state to
address a regression introduced during the 5.14 cycle (Rafael
Wysocki).
- Fix an ACPI tools build issue introduced recently when the minimal
stdarg.h was added (Miguel Bernal Marin)"
* tag 'acpi-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: Do not turn off power resources in unknown state
ACPI: tools: fix compilation error
cd82c4a...
by
Linus Torvalds <email address hidden>
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more x86 kvm fixes from Paolo Bonzini:
- Cache coherency fix for SEV live migration
- Fix for instruction emulation with PKU
- fixes for rare delaying of interrupt delivery
- fix for SEV-ES buffer overflow
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SEV-ES: go over the sev_pio_data buffer in multiple passes if needed
KVM: SEV-ES: keep INS functions together
KVM: x86: remove unnecessary arguments from complete_emulator_pio_in
KVM: x86: split the two parts of emulator_pio_in
KVM: SEV-ES: clean up kvm_sev_es_ins/outs
KVM: x86: leave vcpu->arch.pio.count alone in emulator_pio_in_out
KVM: SEV-ES: rename guest_ins_data to sev_pio_data
KVM: SEV: Flush cache on non-coherent systems before RECEIVE_UPDATE_DATA
KVM: MMU: Reset mmu->pkru_mask to avoid stale data
KVM: nVMX: promptly process interrupts delivered while in guest mode
KVM: x86: check for interrupts before deciding whether to exit the fast path
7a74890...
by
"Rafael J. Wysocki" <email address hidden>
Merge branch 'acpi-tools'
Merge a fix for a recent ACPI tools bild regresson.
* acpi-tools:
ACPI: tools: fix compilation error
95e16b4...
by
Paolo Bonzini <email address hidden>
KVM: SEV-ES: go over the sev_pio_data buffer in multiple passes if needed
The PIO scratch buffer is larger than a single page, and therefore
it is not possible to copy it in a single step to vcpu->arch/pio_data.
Bound each call to emulator_pio_in/out to a single page; keep
track of how many I/O operations are left in vcpu->arch.sev_pio_count,
so that the operation can be restarted in the complete_userspace_io
callback.
For OUT, this means that the previous kvm_sev_es_outs implementation
becomes an iterator of the loop, and we can consume the sev_pio_data
buffer before leaving to userspace.
For IN, instead, consuming the buffer and decreasing sev_pio_count
is always done in the complete_userspace_io callback, because that
is when the memcpy is done into sev_pio_data.
Cc: <email address hidden>
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reported-by: Felix Wilhelm <email address hidden>
Reviewed-by: Maxim Levitsky <email address hidden>
Signed-off-by: Paolo Bonzini <email address hidden>
4fa4b38...
by
Paolo Bonzini <email address hidden>
KVM: SEV-ES: keep INS functions together
Make the diff a little nicer when we actually get to fixing
the bug. No functional change intended.
Cc: <email address hidden>
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reviewed-by: Maxim Levitsky <email address hidden>
Signed-off-by: Paolo Bonzini <email address hidden>
