mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2026-11-02 19:05:42 +00:00
16,565 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
954a209f43 |
ARM:
* Correctly clean the BSS to the PoC before allowing EL2 to access it
on nVHE/hVHE/protected configurations
* Propagate ownership of debug registers in protected mode after
the rework that landed in 6.14-rc1
* Stop pretending that we can run the protected mode without a GICv3
being present on the host
* Fix a use-after-free situation that can occur if a vcpu fails to
initialise the NV shadow S2 MMU contexts
* Always evaluate the need to arm a background timer for fully emulated
guest timers
* Fix the emulation of EL1 timers in the absence of FEAT_ECV
* Correctly handle the EL2 virtual timer, specially when HCR_EL2.E2H==0
s390:
* move some of the guest page table (gmap) logic into KVM itself,
inching towards the final goal of completely removing gmap from the
non-kvm memory management code. As an initial set of cleanups, move
some code from mm/gmap into kvm and start using __kvm_faultin_pfn()
to fault-in pages as needed; but especially stop abusing page->index
and page->lru to aid in the pgdesc conversion.
x86:
* Add missing check in the fix to defer starting the huge page recovery
vhost_task
* SRSO_USER_KERNEL_NO does not need SYNTHESIZED_F
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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:
- Correctly clean the BSS to the PoC before allowing EL2 to access it
on nVHE/hVHE/protected configurations
- Propagate ownership of debug registers in protected mode after the
rework that landed in 6.14-rc1
- Stop pretending that we can run the protected mode without a GICv3
being present on the host
- Fix a use-after-free situation that can occur if a vcpu fails to
initialise the NV shadow S2 MMU contexts
- Always evaluate the need to arm a background timer for fully
emulated guest timers
- Fix the emulation of EL1 timers in the absence of FEAT_ECV
- Correctly handle the EL2 virtual timer, specially when HCR_EL2.E2H==0
s390:
- move some of the guest page table (gmap) logic into KVM itself,
inching towards the final goal of completely removing gmap from the
non-kvm memory management code.
As an initial set of cleanups, move some code from mm/gmap into kvm
and start using __kvm_faultin_pfn() to fault-in pages as needed;
but especially stop abusing page->index and page->lru to aid in the
pgdesc conversion.
x86:
- Add missing check in the fix to defer starting the huge page
recovery vhost_task
- SRSO_USER_KERNEL_NO does not need SYNTHESIZED_F"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (31 commits)
KVM: x86/mmu: Ensure NX huge page recovery thread is alive before waking
KVM: remove kvm_arch_post_init_vm
KVM: selftests: Fix spelling mistake "initally" -> "initially"
kvm: x86: SRSO_USER_KERNEL_NO is not synthesized
KVM: arm64: timer: Don't adjust the EL2 virtual timer offset
KVM: arm64: timer: Correctly handle EL1 timer emulation when !FEAT_ECV
KVM: arm64: timer: Always evaluate the need for a soft timer
KVM: arm64: Fix nested S2 MMU structures reallocation
KVM: arm64: Fail protected mode init if no vgic hardware is present
KVM: arm64: Flush/sync debug state in protected mode
KVM: s390: selftests: Streamline uc_skey test to issue iske after sske
KVM: s390: remove the last user of page->index
KVM: s390: move PGSTE softbits
KVM: s390: remove useless page->index usage
KVM: s390: move gmap_shadow_pgt_lookup() into kvm
KVM: s390: stop using lists to keep track of used dat tables
KVM: s390: stop using page->index for non-shadow gmaps
KVM: s390: move some gmap shadowing functions away from mm/gmap.c
KVM: s390: get rid of gmap_translate()
KVM: s390: get rid of gmap_fault()
...
|
||
|
Linus Torvalds
|
f4a45f14cf |
seccomp fix for v6.14-rc2
- Allow uretprobe on x86_64 to avoid behavioral complications (Eyal Birger)
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Merge tag 'seccomp-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp fix from Kees Cook:
"This is really a work-around for x86_64 having grown a syscall to
implement uretprobe, which has caused problems since v6.11.
This may change in the future, but for now, this fixes the unintended
seccomp filtering when uretprobe switched away from traps, and does so
with something that should be easy to backport.
- Allow uretprobe on x86_64 to avoid behavioral complications (Eyal
Birger)"
* tag 'seccomp-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
selftests/seccomp: validate uretprobe syscall passes through seccomp
seccomp: passthrough uretprobe systemcall without filtering
|
||
|
Linus Torvalds
|
8c67da5bc1 |
vfs-6.14-rc2.fixes
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||
Miklos Szeredi
|
2cc02059fb |
selftests: always check mask returned by statmount(2)
STATMOUNT_MNT_OPTS can actually be missing if there are no options. This
is a change of behavior since
|
||
Eyal Birger
|
c2debdb854 |
selftests/seccomp: validate uretprobe syscall passes through seccomp
The uretprobe syscall is implemented as a performance enhancement on x86_64 by having the kernel inject a call to it on function exit; User programs cannot call this system call explicitly. As such, this syscall is considered a kernel implementation detail and should not be filtered by seccomp. Enhance the seccomp bpf test suite to check that uretprobes can be attached to processes without the killing the process regardless of seccomp policy. Signed-off-by: Eyal Birger <eyal.birger@gmail.com> Link: https://lore.kernel.org/r/20250202162921.335813-3-eyal.birger@gmail.com [kees: Skip archs without __NR_uretprobe] Signed-off-by: Kees Cook <kees@kernel.org> |
||
|
Linus Torvalds
|
3cf0a98fea |
Current release - regressions:
- core: harmonize tstats and dstats
- ipv6: fix dst refleaks in rpl, seg6 and ioam6 lwtunnels
- eth: tun: revert fix group permission check
- eth: stmmac: revert "specify hardware capability value when FIFO size isn't specified"
Previous releases - regressions:
- udp: gso: do not drop small packets when PMTU reduces
- rxrpc: fix race in call state changing vs recvmsg()
- eth: ice: fix Rx data path for heavy 9k MTU traffic
- eth: vmxnet3: fix tx queue race condition with XDP
Previous releases - always broken:
- sched: pfifo_tail_enqueue: drop new packet when sch->limit == 0
- ethtool: ntuple: fix rss + ring_cookie check
- rxrpc: fix the rxrpc_connection attend queue handling
Misc:
- recognize Kuniyuki Iwashima as a maintainer
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Interestingly the recent kmemleak improvements allowed our CI to catch
a couple of percpu leaks addressed here.
We (mostly Jakub, to be accurate) are working to increase review
coverage over the net code-base tweaking the MAINTAINER entries.
Current release - regressions:
- core: harmonize tstats and dstats
- ipv6: fix dst refleaks in rpl, seg6 and ioam6 lwtunnels
- eth: tun: revert fix group permission check
- eth: stmmac: revert "specify hardware capability value when FIFO
size isn't specified"
Previous releases - regressions:
- udp: gso: do not drop small packets when PMTU reduces
- rxrpc: fix race in call state changing vs recvmsg()
- eth: ice: fix Rx data path for heavy 9k MTU traffic
- eth: vmxnet3: fix tx queue race condition with XDP
Previous releases - always broken:
- sched: pfifo_tail_enqueue: drop new packet when sch->limit == 0
- ethtool: ntuple: fix rss + ring_cookie check
- rxrpc: fix the rxrpc_connection attend queue handling
Misc:
- recognize Kuniyuki Iwashima as a maintainer"
* tag 'net-6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (34 commits)
Revert "net: stmmac: Specify hardware capability value when FIFO size isn't specified"
MAINTAINERS: add a sample ethtool section entry
MAINTAINERS: add entry for ethtool
rxrpc: Fix race in call state changing vs recvmsg()
rxrpc: Fix call state set to not include the SERVER_SECURING state
net: sched: Fix truncation of offloaded action statistics
tun: revert fix group permission check
selftests/tc-testing: Add a test case for qdisc_tree_reduce_backlog()
netem: Update sch->q.qlen before qdisc_tree_reduce_backlog()
selftests/tc-testing: Add a test case for pfifo_head_drop qdisc when limit==0
pfifo_tail_enqueue: Drop new packet when sch->limit == 0
selftests: mptcp: connect: -f: no reconnect
net: rose: lock the socket in rose_bind()
net: atlantic: fix warning during hot unplug
rxrpc: Fix the rxrpc_connection attend queue handling
net: harmonize tstats and dstats
selftests: drv-net: rss_ctx: don't fail reconfigure test if queue offset not supported
selftests: drv-net: rss_ctx: add missing cleanup in queue reconfigure
ethtool: ntuple: fix rss + ring_cookie check
ethtool: rss: fix hiding unsupported fields in dumps
...
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||
Cong Wang
|
91aadc16ee |
selftests/tc-testing: Add a test case for qdisc_tree_reduce_backlog()
Integrate the test case provided by Mingi Cho into TDC. All test results: 1..4 ok 1 ca5e - Check class delete notification for ffff: ok 2 e4b7 - Check class delete notification for root ffff: ok 3 33a9 - Check ingress is not searchable on backlog update ok 4 a4b9 - Test class qlen notification Cc: Mingi Cho <mincho@theori.io> Signed-off-by: Cong Wang <cong.wang@bytedance.com> Link: https://patch.msgid.link/20250204005841.223511-5-xiyou.wangcong@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Quang Le
|
3fe5648d1d |
selftests/tc-testing: Add a test case for pfifo_head_drop qdisc when limit==0
When limit == 0, pfifo_tail_enqueue() must drop new packet and increase dropped packets count of the qdisc. All test results: 1..16 ok 1 a519 - Add bfifo qdisc with system default parameters on egress ok 2 585c - Add pfifo qdisc with system default parameters on egress ok 3 a86e - Add bfifo qdisc with system default parameters on egress with handle of maximum value ok 4 9ac8 - Add bfifo qdisc on egress with queue size of 3000 bytes ok 5 f4e6 - Add pfifo qdisc on egress with queue size of 3000 packets ok 6 b1b1 - Add bfifo qdisc with system default parameters on egress with invalid handle exceeding maximum value ok 7 8d5e - Add bfifo qdisc on egress with unsupported argument ok 8 7787 - Add pfifo qdisc on egress with unsupported argument ok 9 c4b6 - Replace bfifo qdisc on egress with new queue size ok 10 3df6 - Replace pfifo qdisc on egress with new queue size ok 11 7a67 - Add bfifo qdisc on egress with queue size in invalid format ok 12 1298 - Add duplicate bfifo qdisc on egress ok 13 45a0 - Delete nonexistent bfifo qdisc ok 14 972b - Add prio qdisc on egress with invalid format for handles ok 15 4d39 - Delete bfifo qdisc twice ok 16 d774 - Check pfifo_head_drop qdisc enqueue behaviour when limit == 0 Signed-off-by: Quang Le <quanglex97@gmail.com> Signed-off-by: Cong Wang <cong.wang@bytedance.com> Link: https://patch.msgid.link/20250204005841.223511-3-xiyou.wangcong@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Matthieu Baerts (NGI0)
|
5368a67307 |
selftests: mptcp: connect: -f: no reconnect
The '-f' parameter is there to force the kernel to emit MPTCP FASTCLOSE by closing the connection with unread bytes in the receive queue. The xdisconnect() helper was used to stop the connection, but it does more than that: it will shut it down, then wait before reconnecting to the same address. This causes the mptcp_join's "fastclose test" to fail all the time. This failure is due to a recent change, with commit |
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|
Linus Torvalds
|
d009de7d54 |
Livepatching fixup for 6.14-rc2
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||
Colin Ian King
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203a53029a |
KVM: selftests: Fix spelling mistake "initally" -> "initially"
There is a spelling mistake in a literal string and in the function test_get_inital_dirty. Fix them. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Message-ID: <20250204105647.367743-1-colin.i.king@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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Paolo Bonzini
|
35441cdd50 |
- some selftest fixes
- move some kvm-related functions from mm into kvm - remove all usage of page->index and page->lru from kvm - fixes and cleanups for vsie -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEoWuZBM6M3lCBSfTnuARItAMU6BMFAmecrk4ACgkQuARItAMU 6BOnEw/+IKRVjfEdn2dbHu9PpEqphnnV7DtmfYn8+XRM9RU8hKIRzRFN7wfmVcSt Uz1tMCEQORSI6kYim+M5lbsIwtyeAEtrfA7hj7iZrAVbV9PXvYYPdIZBeeKbNvhc ScHYqfhbECaSrHJNi8+0ZG3vEO8yFhIgdst11UsxczR97S5GSt5d+7E4pbXpV3Ij wDbjIwSv9cUQzVV80Gt39VxxLZZti+z5Kch4RYgM2QhPFXag7Ja7F1XCDxiMHYj8 YdQu2ayhEd5erdgmrwB+OFfFk280j13Ml/QYH+u0lBl11Yzc5spM/x+pb5dzuQwy I1tloWPHB4mgEbpINHHDJqVqQNGXlA5YSosESMNSS8kY7xGGbbZKR36kv61TiaRF kOA/KwffKOvMJHOIiE6ZPp5+vkYGrAeUK9c1s6dl3sug87dZ9hijqWCfa/1TkdnX VJT03JOuRAAzYEv1yp0bcPdA2Ex0ArDRA9jowqum2xKbwjYAL4EKozmYPG4kLarW tjXoC+Yy0z/U3qMsqRwcGhvGVP/Pau0/LeRsZK0udT0yz1a2na5snCHrPyXaxRrp qHZObCVPB+0IGxe1Rj8utnB3nUqHZT4RZFvU62J/tUZoGY7KLsXNL4MVIh/QAwVC nBp/Qjpcx7Khm92kaR55Z2PcgLyd0N7lI/C7pE6YEk+7qVz0Suo= =zCOv -----END PGP SIGNATURE----- Merge tag 'kvm-s390-next-6.14-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD - some selftest fixes - move some kvm-related functions from mm into kvm - remove all usage of page->index and page->lru from kvm - fixes and cleanups for vsie |
||
Jakub Kicinski
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c3da585509 |
selftests: drv-net: rss_ctx: don't fail reconfigure test if queue offset not supported
Vast majority of drivers does not support queue offset. Simply return if the rss context + queue ntuple fails. Reviewed-by: Joe Damato <jdamato@fastly.com> Link: https://patch.msgid.link/20250201013040.725123-5-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jakub Kicinski
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de379dfd9a |
selftests: drv-net: rss_ctx: add missing cleanup in queue reconfigure
Commit under Fixes adds ntuple rules but never deletes them.
Fixes:
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Yan Zhai
|
235174b2be |
udp: gso: do not drop small packets when PMTU reduces
Commit |
||
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Linus Torvalds
|
bdd4f86c97 |
AT_EXECVE_CHECK update for v6.14-rc1 (fix1)
- selftests: Handle old glibc without execveat(2) (Mickaël Salaün) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCZ51DjgAKCRA2KwveOeQk u5ahAP9m2RJdQm/oW/SPdhZ3nJynrD0UXKpZPYe733E9D2mccQEAvh0LIAUJGJoK FbpLRWSGXOkWxAJ1oabQo8GB5v+8EQs= =WVRq -----END PGP SIGNATURE----- Merge tag 'AT_EXECVE_CHECK-v6.14-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull AT_EXECVE_CHECK selftest fix from Kees Cook: "Fixes the AT_EXECVE_CHECK selftests which didn't run on old versions of glibc" * tag 'AT_EXECVE_CHECK-v6.14-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests: Handle old glibc without execveat(2) |
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Linus Torvalds
|
1b5f3c51fb |
RISC-V Patches for the 6.14 Merge Window, Part 1
* The PH1520 pinctrl and dwmac drivers are enabeled in defconfig. * A redundant AQRL barrier has been removed from the futex cmpxchg implementation. * Support for the T-Head vector extensions, which includes exposing these extensions to userspace on systems that implement them. * Some more page table information is now printed on die() and systems that cause PA overflows. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmedHIoTHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYievXD/4hdt8h+fMM0I9mmJS096YevRJONdfe Wk7D5q4PBwSHISHahuzfphieBhqPVnYkkEd7Vw6xRrLbUnhA41Fe0uvR52dx5UZd 3LwrDV/kjGTD59x6A2Zo9bSs/qPKJ2WHmHwHM21jY5tvcIB2Lo4dF8HT63OrwVNW DxsujLO0jUw+HEwXPsfmUAZJWOPZuUnatl/9CaLMLwQv5N7yiMuz5oYDzJXTLnNh m3Hv3CCtj1EeQPqDoWzz9nZvmAKOwcblSzz6OAy+xrRk1N0N3QFQPbIaRvkI9OVz +wPHQiyx4KZNeAe0csV0uLQRIiXZV8rkCz5UT65s3Bfy3vukvzz+1VBdNnCqiP8Q RpCTcYw62Cr6BWnvyTh+s9bhHb1ijG043nXd/Ty7ZRPCNLKHY6oL1CZ0pgqbTwPs D2U2ZTZFTc35mPrU6QMfbTiUVWCU2XagFhI27Dgj3xh9mkBOQCHwk2Mrzn7uS4iz xGNnrjRnKtuwBrvD68JzxCkEi8INFn2ifbVr44VZrOdTM7XtODGAYrBohQtV62kU 2L+q8DoHYis+0xFbR1wdrY1mRZoe45boUFgwnOpmoBr9ULe584sL+526y7IkkEHu /9hmLPtLg7nyoR/rO1j1Sfg4Eqdwg5HY1TKNfagJZAdu23EDRwrcW1PD0P6vtDv8 j4og8MmL7dTt3A== =HbAQ -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-6.14-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - The PH1520 pinctrl and dwmac drivers are enabeled in defconfig - A redundant AQRL barrier has been removed from the futex cmpxchg implementation - Support for the T-Head vector extensions, which includes exposing these extensions to userspace on systems that implement them - Some more page table information is now printed on die() and systems that cause PA overflows * tag 'riscv-for-linus-6.14-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: add a warning when physical memory address overflows riscv/mm/fault: add show_pte() before die() riscv: Add ghostwrite vulnerability selftests: riscv: Support xtheadvector in vector tests selftests: riscv: Fix vector tests riscv: hwprobe: Document thead vendor extensions and xtheadvector extension riscv: hwprobe: Add thead vendor extension probing riscv: vector: Support xtheadvector save/restore riscv: Add xtheadvector instruction definitions riscv: csr: Add CSR encodings for CSR_VXRM/CSR_VXSAT RISC-V: define the elements of the VCSR vector CSR riscv: vector: Use vlenb from DT for thead riscv: Add thead and xtheadvector as a vendor extension riscv: dts: allwinner: Add xtheadvector to the D1/D1s devicetree dt-bindings: cpus: add a thead vlen register length property dt-bindings: riscv: Add xtheadvector ISA extension description RISC-V: Mark riscv_v_init() as __init riscv: defconfig: drop RT_GROUP_SCHED=y riscv/futex: Optimize atomic cmpxchg riscv: defconfig: enable pinctrl and dwmac support for TH1520 |
||
|
Linus Torvalds
|
c545cd3276 |
x86/mm changes for v6.14:
- The biggest changes are the TLB flushing scalability optimizations,
to update the mm_cpumask lazily and related changes. This feature
has both a track record and a continued risk of performance regressions,
so it was already delayed by a cycle - but it's all 100% perfect now™.
(Rik van Riel)
- Also miscellaneous fixes and cleanups. (Gautam Somani,
Kirill A. Shutemov, Sebastian Andrzej Siewior)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-mm-2025-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar:
- The biggest changes are the TLB flushing scalability optimizations,
to update the mm_cpumask lazily and related changes.
This feature has both a track record and a continued risk of
performance regressions, so it was already delayed by a cycle - but
it's all 100% perfect now™ (Rik van Riel)
- Also miscellaneous fixes and cleanups. (Gautam Somani, Kirill
Shutemov, Sebastian Andrzej Siewior)
* tag 'x86-mm-2025-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Remove unnecessary include of <linux/extable.h>
x86/mtrr: Rename mtrr_overwrite_state() to guest_force_mtrr_state()
x86/mm/selftests: Fix typo in lam.c
x86/mm/tlb: Only trim the mm_cpumask once a second
x86/mm/tlb: Also remove local CPU from mm_cpumask if stale
x86/mm/tlb: Add tracepoint for TLB flush IPI to stale CPU
x86/mm/tlb: Update mm_cpumask lazily
|
||
Christoph Schlameuss
|
3223906677 |
KVM: s390: selftests: Streamline uc_skey test to issue iske after sske
In some rare situations a non default storage key is already set on the
memory used by the test. Within normal VMs the key is reset / zapped
when the memory is added to the VM. This is not the case for ucontrol
VMs. With the initial iske check removed this test case can work in all
situations. The function of the iske instruction is still validated by
the remaining code.
Fixes:
|
||
Claudio Imbrenda
|
63e7151989 |
KVM: s390: selftests: fix ucontrol memory region test
With the latest patch, attempting to create a memslot from userspace will result in an EEXIST error for UCONTROL VMs, instead of EINVAL, since the new memslot will collide with the internal memslot. There is no simple way to bring back the previous behaviour. This is not a problem, but the test needs to be fixed accordingly. Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com> Link: https://lore.kernel.org/r/20250123144627.312456-5-imbrenda@linux.ibm.com Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Message-ID: <20250123144627.312456-5-imbrenda@linux.ibm.com> |
||
|
Linus Torvalds
|
c2933b2bef |
First batch of fixes for 6.14. Nothing really stands out,
but as usual there's a slight concentration of fixes for issues
added in the last two weeks before the MW, and driver bugs
from 6.13 which tend to get discovered upon wider distribution.
Including fixes from IPSec, netfilter and Bluetooth.
Current release - regressions:
- net: revert RTNL changes in unregister_netdevice_many_notify()
- Bluetooth: fix possible infinite recursion of btusb_reset
- eth: adjust locking in some old drivers which protect their state
with spinlocks to avoid sleeping in atomic; core protects
netdev state with a mutex now
Previous releases - regressions:
- eth: mlx5e: make sure we pass node ID, not CPU ID to kvzalloc_node()
- eth: bgmac: reduce max frame size to support just 1500 bytes;
the jumbo frame support would previously cause OOB writes,
but now fails outright
- mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted,
avoid false detection of MPTCP blackholing
Previous releases - always broken:
- mptcp: handle fastopen disconnect correctly
- xfrm: make sure skb->sk is a full sock before accessing its fields
- xfrm: fix taking a lock with preempt disabled for RT kernels
- usb: ipheth: improve safety of packet metadata parsing; prevent
potential OOB accesses
- eth: renesas: fix missing rtnl lock in suspend/resume path
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from IPSec, netfilter and Bluetooth.
Nothing really stands out, but as usual there's a slight concentration
of fixes for issues added in the last two weeks before the merge
window, and driver bugs from 6.13 which tend to get discovered upon
wider distribution.
Current release - regressions:
- net: revert RTNL changes in unregister_netdevice_many_notify()
- Bluetooth: fix possible infinite recursion of btusb_reset
- eth: adjust locking in some old drivers which protect their state
with spinlocks to avoid sleeping in atomic; core protects netdev
state with a mutex now
Previous releases - regressions:
- eth:
- mlx5e: make sure we pass node ID, not CPU ID to kvzalloc_node()
- bgmac: reduce max frame size to support just 1500 bytes; the
jumbo frame support would previously cause OOB writes, but now
fails outright
- mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted, avoid
false detection of MPTCP blackholing
Previous releases - always broken:
- mptcp: handle fastopen disconnect correctly
- xfrm:
- make sure skb->sk is a full sock before accessing its fields
- fix taking a lock with preempt disabled for RT kernels
- usb: ipheth: improve safety of packet metadata parsing; prevent
potential OOB accesses
- eth: renesas: fix missing rtnl lock in suspend/resume path"
* tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
MAINTAINERS: add Neal to TCP maintainers
net: revert RTNL changes in unregister_netdevice_many_notify()
net: hsr: fix fill_frame_info() regression vs VLAN packets
doc: mptcp: sysctl: blackhole_timeout is per-netns
mptcp: blackhole only if 1st SYN retrans w/o MPC is accepted
netfilter: nf_tables: reject mismatching sum of field_len with set key length
net: sh_eth: Fix missing rtnl lock in suspend/resume path
net: ravb: Fix missing rtnl lock in suspend/resume path
selftests/net: Add test for loading devbound XDP program in generic mode
net: xdp: Disallow attaching device-bound programs in generic mode
tcp: correct handling of extreme memory squeeze
bgmac: reduce max frame size to support just MTU 1500
vsock/test: Add test for connect() retries
vsock/test: Add test for UAF due to socket unbinding
vsock/test: Introduce vsock_connect_fd()
vsock/test: Introduce vsock_bind()
vsock: Allow retrying on connect() failure
vsock: Keep the binding until socket destruction
Bluetooth: L2CAP: accept zero as a special value for MTU auto-selection
Bluetooth: btnxpuart: Fix glitches seen in dual A2DP streaming
...
|
||
|
Linus Torvalds
|
90cb220062 |
gpio fixes for v6.14-rc1
- update gpio-sim selftests to not fail now that we no longer allow rmdir() on configfs entries of active devices - remove leftover code from gpio-mxc -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmebRzwACgkQEacuoBRx 13KUEQ/+KAAVHAr3l3bFG9POniRk6fZB2kyWeOUvGGmW1qBHjRF50wKsV0+EjhEi 0jm5HX92tvqTfci/jCkZbw0eIZ72P9QXqgBKo+Hare+7Q0bX/eddBgjNTyaAyjLW VHwOoP3M7jdsb5vBmgMOIbsJHQ8Q3TscSN5ndFfQ04qZ0ahAczV86rQQRiFaxhle rr8XrICLlOnLS9YV4yYgJhNulIMvhLhcz70gyYNU6UOfEHNm3ZblBgoOWrPAvd+d 3lZ+4ZDNaAPyBhW2a64FDs1e+/9VpFfrp3CNGecM8tV8swd33atpeNsClPqFPJYR pLir57iVbH3FiE76PdifR128toaH3+pSrPNuL7Gi2oVsdA5aN2l0y+YuXIFgpP+7 /FCLKEfcY1G/Kp9nai0FG3ltAAkbaULi06dYdgXAC+xv391j1p9EI9iz9ZifpAA8 I1Apa36E+MDgku52eiL16isNsLESE3ky/URsf8zLe8bRUEKCF6YsVoOLe7RDl5CQ fDgJx7xALIm8vk2jizmTmMIDVgY5leLgXS4pVHvEVBAg8zZe0OH5SRyYan82pv6t asw4RfEu7J7l5k5fgqWf2p6H4cpU2SuI35YdoTjYReGbExabnkylZTyoRjkGLX7o NqIktzN4nJzyGM0VAkOVnj5RKTlvCKSVLg0Qk3srXeG42qJ3Cqw= =Ql6L -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - update gpio-sim selftests to not fail now that we no longer allow rmdir() on configfs entries of active devices - remove leftover code from gpio-mxc * tag 'gpio-fixes-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: selftests: gpio: gpio-sim: Fix missing chip disablements gpio: mxc: remove dead code after switch to DT-only |
||
|
Linus Torvalds
|
d3d90cc289 |
Provide stable parent and name to ->d_revalidate() instances
Most of the filesystem methods where we care about dentry name
and parent have their stability guaranteed by the callers;
->d_revalidate() is the major exception.
It's easy enough for callers to supply stable values for
expected name and expected parent of the dentry being
validated. That kills quite a bit of boilerplate in
->d_revalidate() instances, along with a bunch of races
where they used to access ->d_name without sufficient
precautions.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-revalidate' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs d_revalidate updates from Al Viro:
"Provide stable parent and name to ->d_revalidate() instances
Most of the filesystem methods where we care about dentry name and
parent have their stability guaranteed by the callers;
->d_revalidate() is the major exception.
It's easy enough for callers to supply stable values for expected name
and expected parent of the dentry being validated. That kills quite a
bit of boilerplate in ->d_revalidate() instances, along with a bunch
of races where they used to access ->d_name without sufficient
precautions"
* tag 'pull-revalidate' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
9p: fix ->rename_sem exclusion
orangefs_d_revalidate(): use stable parent inode and name passed by caller
ocfs2_dentry_revalidate(): use stable parent inode and name passed by caller
nfs: fix ->d_revalidate() UAF on ->d_name accesses
nfs{,4}_lookup_validate(): use stable parent inode passed by caller
gfs2_drevalidate(): use stable parent inode and name passed by caller
fuse_dentry_revalidate(): use stable parent inode and name passed by caller
vfat_revalidate{,_ci}(): use stable parent inode passed by caller
exfat_d_revalidate(): use stable parent inode passed by caller
fscrypt_d_revalidate(): use stable parent inode passed by caller
ceph_d_revalidate(): propagate stable name down into request encoding
ceph_d_revalidate(): use stable parent inode passed by caller
afs_d_revalidate(): use stable name and parent inode passed by caller
Pass parent directory inode and expected name to ->d_revalidate()
generic_ci_d_compare(): use shortname_storage
ext4 fast_commit: make use of name_snapshot primitives
dissolve external_name.u into separate members
make take_dentry_name_snapshot() lockless
dcache: back inline names with a struct-wrapped array of unsigned long
make sure that DNAME_INLINE_LEN is a multiple of word size
|
||
Toke Høiland-Jørgensen
|
f7bf624b1f |
selftests/net: Add test for loading devbound XDP program in generic mode
Add a test to bpf_offload.py for loading a devbound XDP program in generic mode, checking that it fails correctly. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250127131344.238147-2-toke@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Linus Torvalds
|
e2ee2e9b15 |
KVM/arm64 updates for 6.14
* New features:
- Support for non-protected guest in protected mode, achieving near
feature parity with the non-protected mode
- Support for the EL2 timers as part of the ongoing NV support
- Allow control of hardware tracing for nVHE/hVHE
* Improvements, fixes and cleanups:
- Massive cleanup of the debug infrastructure, making it a bit less
awkward and definitely easier to maintain. This should pave the
way for further optimisations
- Complete rewrite of pKVM's fixed-feature infrastructure, aligning
it with the rest of KVM and making the code easier to follow
- Large simplification of pKVM's memory protection infrastructure
- Better handling of RES0/RES1 fields for memory-backed system
registers
- Add a workaround for Qualcomm's Snapdragon X CPUs, which suffer
from a pretty nasty timer bug
- Small collection of cleanups and low-impact fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull KVM/arm64 updates from Will Deacon:
"New features:
- Support for non-protected guest in protected mode, achieving near
feature parity with the non-protected mode
- Support for the EL2 timers as part of the ongoing NV support
- Allow control of hardware tracing for nVHE/hVHE
Improvements, fixes and cleanups:
- Massive cleanup of the debug infrastructure, making it a bit less
awkward and definitely easier to maintain. This should pave the way
for further optimisations
- Complete rewrite of pKVM's fixed-feature infrastructure, aligning
it with the rest of KVM and making the code easier to follow
- Large simplification of pKVM's memory protection infrastructure
- Better handling of RES0/RES1 fields for memory-backed system
registers
- Add a workaround for Qualcomm's Snapdragon X CPUs, which suffer
from a pretty nasty timer bug
- Small collection of cleanups and low-impact fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (87 commits)
arm64/sysreg: Get rid of TRFCR_ELx SysregFields
KVM: arm64: nv: Fix doc header layout for timers
KVM: arm64: nv: Apply RESx settings to sysreg reset values
KVM: arm64: nv: Always evaluate HCR_EL2 using sanitising accessors
KVM: arm64: Fix selftests after sysreg field name update
coresight: Pass guest TRFCR value to KVM
KVM: arm64: Support trace filtering for guests
KVM: arm64: coresight: Give TRBE enabled state to KVM
coresight: trbe: Remove redundant disable call
arm64/sysreg/tools: Move TRFCR definitions to sysreg
tools: arm64: Update sysreg.h header files
KVM: arm64: Drop pkvm_mem_transition for host/hyp donations
KVM: arm64: Drop pkvm_mem_transition for host/hyp sharing
KVM: arm64: Drop pkvm_mem_transition for FF-A
KVM: arm64: Explicitly handle BRBE traps as UNDEFINED
KVM: arm64: vgic: Use str_enabled_disabled() in vgic_v3_probe()
arm64: kvm: Introduce nvhe stack size constants
KVM: arm64: Fix nVHE stacktrace VA bits mask
KVM: arm64: Fix FEAT_MTE in pKVM
Documentation: Update the behaviour of "kvm-arm.mode"
...
|
||
|
Linus Torvalds
|
13845bdc86 |
Char/Misc/IIO driver updates for 6.14-rc1
Here is the "big" set of char/misc/iio and other smaller driver
subsystem updates for 6.14-rc1. Loads of different things in here this
development cycle, highlights are:
- ntsync "driver" to handle Windows locking types enabling Wine to
work much better on many workloads (i.e. games). The driver
framework was in 6.13, but now it's enabled and fully working
properly. Should make many SteamOS users happy. Even comes with
tests!
- Large IIO driver updates and bugfixes
- FPGA driver updates
- Coresight driver updates
- MHI driver updates
- PPS driver updatesa
- const bin_attribute reworking for many drivers
- binder driver updates
- smaller driver updates and fixes
All of these 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 'char-misc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Char/Misc/IIO driver updates from Greg KH:
"Here is the "big" set of char/misc/iio and other smaller driver
subsystem updates for 6.14-rc1. Loads of different things in here this
development cycle, highlights are:
- ntsync "driver" to handle Windows locking types enabling Wine to
work much better on many workloads (i.e. games). The driver
framework was in 6.13, but now it's enabled and fully working
properly. Should make many SteamOS users happy. Even comes with
tests!
- Large IIO driver updates and bugfixes
- FPGA driver updates
- Coresight driver updates
- MHI driver updates
- PPS driver updatesa
- const bin_attribute reworking for many drivers
- binder driver updates
- smaller driver updates and fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (311 commits)
ntsync: Fix reference leaks in the remaining create ioctls.
spmi: hisi-spmi-controller: Drop duplicated OF node assignment in spmi_controller_probe()
spmi: Set fwnode for spmi devices
ntsync: fix a file reference leak in drivers/misc/ntsync.c
scripts/tags.sh: Don't tag usages of DECLARE_BITMAP
dt-bindings: interconnect: qcom,msm8998-bwmon: Add SM8750 CPU BWMONs
dt-bindings: interconnect: OSM L3: Document sm8650 OSM L3 compatible
dt-bindings: interconnect: qcom-bwmon: Document QCS615 bwmon compatibles
interconnect: sm8750: Add missing const to static qcom_icc_desc
memstick: core: fix kernel-doc notation
intel_th: core: fix kernel-doc warnings
binder: log transaction code on failure
iio: dac: ad3552r-hs: clear reset status flag
iio: dac: ad3552r-common: fix ad3541/2r ranges
iio: chemical: bme680: Fix uninitialized variable in __bme680_read_raw()
misc: fastrpc: Fix copy buffer page size
misc: fastrpc: Fix registered buffer page address
misc: fastrpc: Deregister device nodes properly in error scenarios
nvmem: core: improve range check for nvmem_cell_write()
nvmem: qcom-spmi-sdam: Set size in struct nvmem_config
...
|
||
Jan Stancek
|
9b06d5b956 |
selftests: net/{lib,openvswitch}: extend CFLAGS to keep options from environment
Package build environments like Fedora rpmbuild introduced hardening
options (e.g. -pie -Wl,-z,now) by passing a -spec option to CFLAGS
and LDFLAGS.
Some Makefiles currently override CFLAGS but not LDFLAGS, which leads
to a mismatch and build failure, for example:
/usr/bin/ld: /tmp/ccd2apay.o: relocation R_X86_64_32 against
`.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIE
/usr/bin/ld: failed to set dynamic section sizes: bad value
collect2: error: ld returned 1 exit status
make[1]: *** [../../lib.mk:222: tools/testing/selftests/net/lib/csum] Error 1
openvswitch/Makefile CFLAGS currently do not appear to be used, but
fix it anyway for the case when new tests are introduced in future.
Fixes:
|
||
|
Jan Stancek
|
23b3a7c4a7 |
selftests: mptcp: extend CFLAGS to keep options from environment
Package build environments like Fedora rpmbuild introduced hardening
options (e.g. -pie -Wl,-z,now) by passing a -spec option to CFLAGS
and LDFLAGS.
mptcp Makefile currently overrides CFLAGS but not LDFLAGS, which leads
to a mismatch and build failure, for example:
make[1]: *** [../../lib.mk:222: tools/testing/selftests/net/mptcp/mptcp_sockopt] Error 1
/usr/bin/ld: /tmp/ccqyMVdb.o: relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a PIE object; recompile with -fPIE
/usr/bin/ld: failed to set dynamic section sizes: bad value
collect2: error: ld returned 1 exit status
Fixes:
|
||
|
Jakub Kicinski
|
50bf398e1c |
net: netdevsim: try to close UDP port harness races
syzbot discovered that we remove the debugfs files after we free
the netdev. Try to clean up the relevant dir while the device
is still around.
Reported-by: syzbot+2e5de9e3ab986b71d2bf@syzkaller.appspotmail.com
Fixes:
|
||
Mickaël Salaün
|
38567b972a |
selftests: Handle old glibc without execveat(2)
Add an execveat(2) wrapper because glibc < 2.34 does not have one. This fixes the check-exec tests and samples. Cc: Günther Noack <gnoack@google.com> Cc: Jeff Xu <jeffxu@chromium.org> Cc: Kees Cook <kees@kernel.org> Cc: Mimi Zohar <zohar@linux.ibm.com> Cc: Paul Moore <paul@paul-moore.com> Cc: Roberto Sassu <roberto.sassu@huawei.com> Cc: Serge Hallyn <serge@hallyn.com> Cc: Stefan Berger <stefanb@linux.ibm.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: Nathan Chancellor <nathan@kernel.org> Closes: https://lore.kernel.org/r/20250114205645.GA2825031@ax162 Signed-off-by: Mickaël Salaün <mic@digikod.net> Reviewed-by: Günther Noack <gnoack3000@gmail.com> Link: https://lore.kernel.org/r/20250115144753.311152-1-mic@digikod.net Signed-off-by: Kees Cook <kees@kernel.org> |
||
Madhavan Srinivasan
|
28aecef5b1 |
selftests: livepatch: handle PRINTK_CALLER in check_result()
Some arch configs (like ppc64) enable CONFIG_PRINTK_CALLER,
which adds the caller id as part of the dmesg. With recent
util-linux's update 467a5b3192f16 ('dmesg: add caller_id support')
the standard "dmesg" has been enhanced to print PRINTK_CALLER fields.
Due to this, even though the expected vs observed are same,
end testcase results are failed.
-% insmod test_modules/test_klp_livepatch.ko
-livepatch: enabling patch 'test_klp_livepatch'
-livepatch: 'test_klp_livepatch': initializing patching transition
-livepatch: 'test_klp_livepatch': starting patching transition
-livepatch: 'test_klp_livepatch': completing patching transition
-livepatch: 'test_klp_livepatch': patching complete
-% echo 0 > /sys/kernel/livepatch/test_klp_livepatch/enabled
-livepatch: 'test_klp_livepatch': initializing unpatching transition
-livepatch: 'test_klp_livepatch': starting unpatching transition
-livepatch: 'test_klp_livepatch': completing unpatching transition
-livepatch: 'test_klp_livepatch': unpatching complete
-% rmmod test_klp_livepatch
+[ T3659] % insmod test_modules/test_klp_livepatch.ko
+[ T3682] livepatch: enabling patch 'test_klp_livepatch'
+[ T3682] livepatch: 'test_klp_livepatch': initializing patching transition
+[ T3682] livepatch: 'test_klp_livepatch': starting patching transition
+[ T826] livepatch: 'test_klp_livepatch': completing patching transition
+[ T826] livepatch: 'test_klp_livepatch': patching complete
+[ T3659] % echo 0 > /sys/kernel/livepatch/test_klp_livepatch/enabled
+[ T3659] livepatch: 'test_klp_livepatch': initializing unpatching transition
+[ T3659] livepatch: 'test_klp_livepatch': starting unpatching transition
+[ T789] livepatch: 'test_klp_livepatch': completing unpatching transition
+[ T789] livepatch: 'test_klp_livepatch': unpatching complete
+[ T3659] % rmmod test_klp_livepatch
ERROR: livepatch kselftest(s) failed
not ok 1 selftests: livepatch: test-livepatch.sh # exit=1
Currently the check_result() handles the "[time]" removal from
the dmesg. Enhance the check to also handle removal of "[Thread Id]"
or "[CPU Id]".
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20250119163238.749847-1-maddy@linux.ibm.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
|
||
|
Linus Torvalds
|
9c5968db9e |
The various patchsets are summarized below. Plus of course many
indivudual patches which are described in their changelogs. - "Allocate and free frozen pages" from Matthew Wilcox reorganizes the page allocator so we end up with the ability to allocate and free zero-refcount pages. So that callers (ie, slab) can avoid a refcount inc & dec. - "Support large folios for tmpfs" from Baolin Wang teaches tmpfs to use large folios other than PMD-sized ones. - "Fix mm/rodata_test" from Petr Tesarik performs some maintenance and fixes for this small built-in kernel selftest. - "mas_anode_descend() related cleanup" from Wei Yang tidies up part of the mapletree code. - "mm: fix format issues and param types" from Keren Sun implements a few minor code cleanups. - "simplify split calculation" from Wei Yang provides a few fixes and a test for the mapletree code. - "mm/vma: make more mmap logic userland testable" from Lorenzo Stoakes continues the work of moving vma-related code into the (relatively) new mm/vma.c. - "mm/page_alloc: gfp flags cleanups for alloc_contig_*()" from David Hildenbrand cleans up and rationalizes handling of gfp flags in the page allocator. - "readahead: Reintroduce fix for improper RA window sizing" from Jan Kara is a second attempt at fixing a readahead window sizing issue. It should reduce the amount of unnecessary reading. - "synchronously scan and reclaim empty user PTE pages" from Qi Zheng addresses an issue where "huge" amounts of pte pagetables are accumulated (https://lore.kernel.org/lkml/cover.1718267194.git.zhengqi.arch@bytedance.com/). Qi's series addresses this windup by synchronously freeing PTE memory within the context of madvise(MADV_DONTNEED). - "selftest/mm: Remove warnings found by adding compiler flags" from Muhammad Usama Anjum fixes some build warnings in the selftests code when optional compiler warnings are enabled. - "mm: don't use __GFP_HARDWALL when migrating remote pages" from David Hildenbrand tightens the allocator's observance of __GFP_HARDWALL. - "pkeys kselftests improvements" from Kevin Brodsky implements various fixes and cleanups in the MM selftests code, mainly pertaining to the pkeys tests. - "mm/damon: add sample modules" from SeongJae Park enhances DAMON to estimate application working set size. - "memcg/hugetlb: Rework memcg hugetlb charging" from Joshua Hahn provides some cleanups to memcg's hugetlb charging logic. - "mm/swap_cgroup: remove global swap cgroup lock" from Kairui Song removes the global swap cgroup lock. A speedup of 10% for a tmpfs-based kernel build was demonstrated. - "zram: split page type read/write handling" from Sergey Senozhatsky has several fixes and cleaups for zram in the area of zram_write_page(). A watchdog softlockup warning was eliminated. - "move pagetable_*_dtor() to __tlb_remove_table()" from Kevin Brodsky cleans up the pagetable destructor implementations. A rare use-after-free race is fixed. - "mm/debug: introduce and use VM_WARN_ON_VMG()" from Lorenzo Stoakes simplifies and cleans up the debugging code in the VMA merging logic. - "Account page tables at all levels" from Kevin Brodsky cleans up and regularizes the pagetable ctor/dtor handling. This results in improvements in accounting accuracy. - "mm/damon: replace most damon_callback usages in sysfs with new core functions" from SeongJae Park cleans up and generalizes DAMON's sysfs file interface logic. - "mm/damon: enable page level properties based monitoring" from SeongJae Park increases the amount of information which is presented in response to DAMOS actions. - "mm/damon: remove DAMON debugfs interface" from SeongJae Park removes DAMON's long-deprecated debugfs interfaces. Thus the migration to sysfs is completed. - "mm/hugetlb: Refactor hugetlb allocation resv accounting" from Peter Xu cleans up and generalizes the hugetlb reservation accounting. - "mm: alloc_pages_bulk: small API refactor" from Luiz Capitulino removes a never-used feature of the alloc_pages_bulk() interface. - "mm/damon: extend DAMOS filters for inclusion" from SeongJae Park extends DAMOS filters to support not only exclusion (rejecting), but also inclusion (allowing) behavior. - "Add zpdesc memory descriptor for zswap.zpool" from Alex Shi "introduces a new memory descriptor for zswap.zpool that currently overlaps with struct page for now. This is part of the effort to reduce the size of struct page and to enable dynamic allocation of memory descriptors." - "mm, swap: rework of swap allocator locks" from Kairui Song redoes and simplifies the swap allocator locking. A speedup of 400% was demonstrated for one workload. As was a 35% reduction for kernel build time with swap-on-zram. - "mm: update mips to use do_mmap(), make mmap_region() internal" from Lorenzo Stoakes reworks MIPS's use of mmap_region() so that mmap_region() can be made MM-internal. - "mm/mglru: performance optimizations" from Yu Zhao fixes a few MGLRU regressions and otherwise improves MGLRU performance. - "Docs/mm/damon: add tuning guide and misc updates" from SeongJae Park updates DAMON documentation. - "Cleanup for memfd_create()" from Isaac Manjarres does that thing. - "mm: hugetlb+THP folio and migration cleanups" from David Hildenbrand provides various cleanups in the areas of hugetlb folios, THP folios and migration. - "Uncached buffered IO" from Jens Axboe implements the new RWF_DONTCACHE flag which provides synchronous dropbehind for pagecache reading and writing. To permite userspace to address issues with massive buildup of useless pagecache when reading/writing fast devices. - "selftests/mm: virtual_address_range: Reduce memory" from Thomas Weißschuh fixes and optimizes some of the MM selftests. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZ5a+cwAKCRDdBJ7gKXxA jtoyAP9R58oaOKPJuTizEKKXvh/RpMyD6sYcz/uPpnf+cKTZxQEAqfVznfWlw/Lz uC3KRZYhmd5YrxU4o+qjbzp9XWX/xAE= =Ib2s -----END PGP SIGNATURE----- Merge tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: "The various patchsets are summarized below. Plus of course many indivudual patches which are described in their changelogs. - "Allocate and free frozen pages" from Matthew Wilcox reorganizes the page allocator so we end up with the ability to allocate and free zero-refcount pages. So that callers (ie, slab) can avoid a refcount inc & dec - "Support large folios for tmpfs" from Baolin Wang teaches tmpfs to use large folios other than PMD-sized ones - "Fix mm/rodata_test" from Petr Tesarik performs some maintenance and fixes for this small built-in kernel selftest - "mas_anode_descend() related cleanup" from Wei Yang tidies up part of the mapletree code - "mm: fix format issues and param types" from Keren Sun implements a few minor code cleanups - "simplify split calculation" from Wei Yang provides a few fixes and a test for the mapletree code - "mm/vma: make more mmap logic userland testable" from Lorenzo Stoakes continues the work of moving vma-related code into the (relatively) new mm/vma.c - "mm/page_alloc: gfp flags cleanups for alloc_contig_*()" from David Hildenbrand cleans up and rationalizes handling of gfp flags in the page allocator - "readahead: Reintroduce fix for improper RA window sizing" from Jan Kara is a second attempt at fixing a readahead window sizing issue. It should reduce the amount of unnecessary reading - "synchronously scan and reclaim empty user PTE pages" from Qi Zheng addresses an issue where "huge" amounts of pte pagetables are accumulated: https://lore.kernel.org/lkml/cover.1718267194.git.zhengqi.arch@bytedance.com/ Qi's series addresses this windup by synchronously freeing PTE memory within the context of madvise(MADV_DONTNEED) - "selftest/mm: Remove warnings found by adding compiler flags" from Muhammad Usama Anjum fixes some build warnings in the selftests code when optional compiler warnings are enabled - "mm: don't use __GFP_HARDWALL when migrating remote pages" from David Hildenbrand tightens the allocator's observance of __GFP_HARDWALL - "pkeys kselftests improvements" from Kevin Brodsky implements various fixes and cleanups in the MM selftests code, mainly pertaining to the pkeys tests - "mm/damon: add sample modules" from SeongJae Park enhances DAMON to estimate application working set size - "memcg/hugetlb: Rework memcg hugetlb charging" from Joshua Hahn provides some cleanups to memcg's hugetlb charging logic - "mm/swap_cgroup: remove global swap cgroup lock" from Kairui Song removes the global swap cgroup lock. A speedup of 10% for a tmpfs-based kernel build was demonstrated - "zram: split page type read/write handling" from Sergey Senozhatsky has several fixes and cleaups for zram in the area of zram_write_page(). A watchdog softlockup warning was eliminated - "move pagetable_*_dtor() to __tlb_remove_table()" from Kevin Brodsky cleans up the pagetable destructor implementations. A rare use-after-free race is fixed - "mm/debug: introduce and use VM_WARN_ON_VMG()" from Lorenzo Stoakes simplifies and cleans up the debugging code in the VMA merging logic - "Account page tables at all levels" from Kevin Brodsky cleans up and regularizes the pagetable ctor/dtor handling. This results in improvements in accounting accuracy - "mm/damon: replace most damon_callback usages in sysfs with new core functions" from SeongJae Park cleans up and generalizes DAMON's sysfs file interface logic - "mm/damon: enable page level properties based monitoring" from SeongJae Park increases the amount of information which is presented in response to DAMOS actions - "mm/damon: remove DAMON debugfs interface" from SeongJae Park removes DAMON's long-deprecated debugfs interfaces. Thus the migration to sysfs is completed - "mm/hugetlb: Refactor hugetlb allocation resv accounting" from Peter Xu cleans up and generalizes the hugetlb reservation accounting - "mm: alloc_pages_bulk: small API refactor" from Luiz Capitulino removes a never-used feature of the alloc_pages_bulk() interface - "mm/damon: extend DAMOS filters for inclusion" from SeongJae Park extends DAMOS filters to support not only exclusion (rejecting), but also inclusion (allowing) behavior - "Add zpdesc memory descriptor for zswap.zpool" from Alex Shi introduces a new memory descriptor for zswap.zpool that currently overlaps with struct page for now. This is part of the effort to reduce the size of struct page and to enable dynamic allocation of memory descriptors - "mm, swap: rework of swap allocator locks" from Kairui Song redoes and simplifies the swap allocator locking. A speedup of 400% was demonstrated for one workload. As was a 35% reduction for kernel build time with swap-on-zram - "mm: update mips to use do_mmap(), make mmap_region() internal" from Lorenzo Stoakes reworks MIPS's use of mmap_region() so that mmap_region() can be made MM-internal - "mm/mglru: performance optimizations" from Yu Zhao fixes a few MGLRU regressions and otherwise improves MGLRU performance - "Docs/mm/damon: add tuning guide and misc updates" from SeongJae Park updates DAMON documentation - "Cleanup for memfd_create()" from Isaac Manjarres does that thing - "mm: hugetlb+THP folio and migration cleanups" from David Hildenbrand provides various cleanups in the areas of hugetlb folios, THP folios and migration - "Uncached buffered IO" from Jens Axboe implements the new RWF_DONTCACHE flag which provides synchronous dropbehind for pagecache reading and writing. To permite userspace to address issues with massive buildup of useless pagecache when reading/writing fast devices - "selftests/mm: virtual_address_range: Reduce memory" from Thomas Weißschuh fixes and optimizes some of the MM selftests" * tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (321 commits) mm/compaction: fix UBSAN shift-out-of-bounds warning s390/mm: add missing ctor/dtor on page table upgrade kasan: sw_tags: use str_on_off() helper in kasan_init_sw_tags() tools: add VM_WARN_ON_VMG definition mm/damon/core: use str_high_low() helper in damos_wmark_wait_us() seqlock: add missing parameter documentation for raw_seqcount_try_begin() mm/page-writeback: consolidate wb_thresh bumping logic into __wb_calc_thresh mm/page_alloc: remove the incorrect and misleading comment zram: remove zcomp_stream_put() from write_incompressible_page() mm: separate move/undo parts from migrate_pages_batch() mm/kfence: use str_write_read() helper in get_access_type() selftests/mm/mkdirty: fix memory leak in test_uffdio_copy() kasan: hw_tags: Use str_on_off() helper in kasan_init_hw_tags() selftests/mm: virtual_address_range: avoid reading from VM_IO mappings selftests/mm: vm_util: split up /proc/self/smaps parsing selftests/mm: virtual_address_range: unmap chunks after validation selftests/mm: virtual_address_range: mmap() without PROT_WRITE selftests/memfd/memfd_test: fix possible NULL pointer dereference mm: add FGP_DONTCACHE folio creation flag mm: call filemap_fdatawrite_range_kick() after IOCB_DONTCACHE issue ... |
||
|
Linus Torvalds
|
c159dfbdd4 |
Mainly individually changelogged singleton patches. The patch series in
this pull are:
- "lib min_heap: Improve min_heap safety, testing, and documentation"
from Kuan-Wei Chiu provides various tightenings to the min_heap library
code.
- "xarray: extract __xa_cmpxchg_raw" from Tamir Duberstein preforms some
cleanup and Rust preparation in the xarray library code.
- "Update reference to include/asm-<arch>" from Geert Uytterhoeven fixes
pathnames in some code comments.
- "Converge on using secs_to_jiffies()" from Easwar Hariharan uses the
new secs_to_jiffies() in various places where that is appropriate.
- "ocfs2, dlmfs: convert to the new mount API" from Eric Sandeen
switches two filesystems to the new mount API.
- "Convert ocfs2 to use folios" from Matthew Wilcox does that.
- "Remove get_task_comm() and print task comm directly" from Yafang Shao
removes now-unneeded calls to get_task_comm() in various places.
- "squashfs: reduce memory usage and update docs" from Phillip Lougher
implements some memory savings in squashfs and performs some
maintainability work.
- "lib: clarify comparison function requirements" from Kuan-Wei Chiu
tightens the sort code's behaviour and adds some maintenance work.
- "nilfs2: protect busy buffer heads from being force-cleared" from
Ryusuke Konishi fixes an issues in nlifs when the fs is presented with a
corrupted image.
- "nilfs2: fix kernel-doc comments for function return values" from
Ryusuke Konishi fixes some nilfs kerneldoc.
- "nilfs2: fix issues with rename operations" from Ryusuke Konishi
addresses some nilfs BUG_ONs which syzbot was able to trigger.
- "minmax.h: Cleanups and minor optimisations" from David Laight
does some maintenance work on the min/max library code.
- "Fixes and cleanups to xarray" from Kemeng Shi does maintenance work
on the xarray library code.
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Merge tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Mainly individually changelogged singleton patches. The patch series
in this pull are:
- "lib min_heap: Improve min_heap safety, testing, and documentation"
from Kuan-Wei Chiu provides various tightenings to the min_heap
library code
- "xarray: extract __xa_cmpxchg_raw" from Tamir Duberstein preforms
some cleanup and Rust preparation in the xarray library code
- "Update reference to include/asm-<arch>" from Geert Uytterhoeven
fixes pathnames in some code comments
- "Converge on using secs_to_jiffies()" from Easwar Hariharan uses
the new secs_to_jiffies() in various places where that is
appropriate
- "ocfs2, dlmfs: convert to the new mount API" from Eric Sandeen
switches two filesystems to the new mount API
- "Convert ocfs2 to use folios" from Matthew Wilcox does that
- "Remove get_task_comm() and print task comm directly" from Yafang
Shao removes now-unneeded calls to get_task_comm() in various
places
- "squashfs: reduce memory usage and update docs" from Phillip
Lougher implements some memory savings in squashfs and performs
some maintainability work
- "lib: clarify comparison function requirements" from Kuan-Wei Chiu
tightens the sort code's behaviour and adds some maintenance work
- "nilfs2: protect busy buffer heads from being force-cleared" from
Ryusuke Konishi fixes an issues in nlifs when the fs is presented
with a corrupted image
- "nilfs2: fix kernel-doc comments for function return values" from
Ryusuke Konishi fixes some nilfs kerneldoc
- "nilfs2: fix issues with rename operations" from Ryusuke Konishi
addresses some nilfs BUG_ONs which syzbot was able to trigger
- "minmax.h: Cleanups and minor optimisations" from David Laight does
some maintenance work on the min/max library code
- "Fixes and cleanups to xarray" from Kemeng Shi does maintenance
work on the xarray library code"
* tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (131 commits)
ocfs2: use str_yes_no() and str_no_yes() helper functions
include/linux/lz4.h: add some missing macros
Xarray: use xa_mark_t in xas_squash_marks() to keep code consistent
Xarray: remove repeat check in xas_squash_marks()
Xarray: distinguish large entries correctly in xas_split_alloc()
Xarray: move forward index correctly in xas_pause()
Xarray: do not return sibling entries from xas_find_marked()
ipc/util.c: complete the kernel-doc function descriptions
gcov: clang: use correct function param names
latencytop: use correct kernel-doc format for func params
minmax.h: remove some #defines that are only expanded once
minmax.h: simplify the variants of clamp()
minmax.h: move all the clamp() definitions after the min/max() ones
minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp()
minmax.h: reduce the #define expansion of min(), max() and clamp()
minmax.h: update some comments
minmax.h: add whitespace around operators and after commas
nilfs2: do not update mtime of renamed directory that is not moved
nilfs2: handle errors that nilfs_prepare_chunk() may return
CREDITS: fix spelling mistake
...
|
||
liuye
|
7882d8fc8f |
selftests/mm/mkdirty: fix memory leak in test_uffdio_copy()
Release memory before exception branch returns to prevent memory leaks Checking tools/testing/selftests/mm/mkdirty.c ... tools/testing/selftests/mm/mkdirty.c:283:3: error: Memory leak: src [memleak] return; ^ Link: https://lkml.kernel.org/r/20250114023838.48589-1-liuye@kylinos.cn Signed-off-by: liuye <liuye@kylinos.cn> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Thomas Weißschuh
|
3bd6137220 |
selftests/mm: virtual_address_range: avoid reading from VM_IO mappings
The virtual_address_range selftest reads from the start of each mapping listed in /proc/self/maps. However not all mappings are valid to be arbitrarily accessed. For example the vvar data used for virtual clocks on x86 [vvar_vclock] can only be accessed if 1) the kernel configuration enables virtual clocks and 2) the hypervisor provided the data for it. Only the VDSO itself has the necessary information to know this. Since commit |
||
|
Thomas Weißschuh
|
3c479b5dc6 |
selftests/mm: vm_util: split up /proc/self/smaps parsing
Upcoming changes want to reuse the /proc/self/smaps parsing logic to parse the VmFlags field. As that works differently from the currently parsed HugePage counters, split up the logic so common functionality can be shared. While reworking this code, also use the correct sscanf placeholder for the "uint64_t thp" variable. Link: https://lkml.kernel.org/r/20250114-virtual_address_range-tests-v4-3-6fd7269934a5@linutronix.de Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: David Hildenbrand <david@redhat.com> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Dev Jain <dev.jain@arm.com> Cc: kernel test robot <oliver.sang@intel.com> Cc: Shuah Khan (Samsung OSG) <shuah@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Thomas Weißschuh
|
b2a79f6213 |
selftests/mm: virtual_address_range: unmap chunks after validation
For each accessed chunk a PTE is created. More than 1GiB of PTEs is used
in this way. Remove each PTE after validating a chunk to reduce peak
memory usage.
It is important to only unmap memory that previously mmap()ed, as
unmapping other mappings like the stack, heap or executable mappings will
crash the process.
The mappings read from /proc/self/maps and the return values from mmap()
don't allow a simple correlation due to merging and no guaranteed order.
To correlate the pointers and mappings use prctl(PR_SET_VMA_ANON_NAME).
While it introduces a test dependency, other alternatives would introduce
runtime or development overhead.
Link: https://lkml.kernel.org/r/20250114-virtual_address_range-tests-v4-2-6fd7269934a5@linutronix.de
Fixes:
|
||
|
Thomas Weißschuh
|
a005145b9c |
selftests/mm: virtual_address_range: mmap() without PROT_WRITE
Patch series "selftests/mm: virtual_address_range: Reduce memory", v4. The selftest started failing since commit |
||
|
liuye
|
73519ded99 |
selftests/memfd/memfd_test: fix possible NULL pointer dereference
If `name' is NULL, a NULL pointer may be accessed in printf. Link: https://lkml.kernel.org/r/20250114032115.58638-1-liuye@kylinos.cn Signed-off-by: liuye <liuye@kylinos.cn> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Greg Thelen <gthelen@google.com> Cc: "Isaac J. Manjarres" <isaacmanjarres@google.com> Cc: Jeff Xu <jeffxu@google.com> Cc: Saurav Shah <sauravshah.31@gmail.com> Cc: Shuah Khan (Samsung OSG) <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Hao Ge
|
bf069012df |
selftests/mm/cow: modify the incorrect checking parameters
In run_with_memfd_hugetlb(), some error handle have passed incorrect
parameters. It should be "smem", but it was mistakenly written as "mem".
Let's fix it.
[gehao@kylinos.cn: fix other errant sites, per Anshuman]
Link: https://lkml.kernel.org/r/20250113050908.93638-1-hao.ge@linux.dev
Link: https://lkml.kernel.org/r/20250113032858.63670-1-hao.ge@linux.dev
Fixes:
|
||
Zi Yan
|
dfe61db4a1 |
selftests/mm: add tests for splitting pmd THPs to all lower orders
Kernel already supports splitting a folio to any lower order. Test it. [ziy@nvidia.com: no need to test splitting to order-1] Link: https://lkml.kernel.org/r/DDA202EA-4664-4F50-A7FD-B00CBB7A624B@nvidia.com Link: https://lkml.kernel.org/r/20250110235028.96824-2-ziy@nvidia.com Signed-off-by: Zi Yan <ziy@nvidia.com> Cc: Alexander Zhu <alexlzhu@fb.com> Cc: Rik van Riel <riel@surriel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Usama Arif <usamaarif642@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Zi Yan
|
136c5b40e0 |
selftests/mm: use selftests framework to print test result
Otherwise the number of tests does not match the reality.
Link: https://lkml.kernel.org/r/20250110235028.96824-1-ziy@nvidia.com
Fixes:
|
||
Ryan Roberts
|
b2466bb3b4 |
selftests/mm: introduce uffd-wp-mremap regression test
Introduce a test that registers a range of memory for UFFDIO_WRITEPROTECT_MODE_WP without UFFD_FEATURE_EVENT_REMAP. First check that the uffd-wp bit is set for every PTE in the range. Then mremap() the range to a new location and check that the uffd-wp bit is clear for every PTE in the range. Run the test for small folios, all supported THP sizes and all supported hugetlb sizes, and for swapped out memory, shared and private. There was previously a bug in the kernel where the uffd-wp bits remained set in all PTEs for this case, after fixing the kernel, the tests all pass. Link: https://lkml.kernel.org/r/20250107144755.1871363-3-ryan.roberts@arm.com Signed-off-by: Ryan Roberts <ryan.roberts@arm.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Liam R. Howlett <Liam.Howlett@Oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Peter Xu <peterx@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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SeongJae Park
|
859de14931 |
selftests/damon: remove tests for DAMON debugfs interface
It's time to remove DAMON debugfs interface, which has deprecated long before in February 2023. Read the cover letter of this patch series for more details. Remove selftests for the interface, to prevent causing unnecessary test failures. Link: https://lkml.kernel.org/r/20250106191941.107070-6-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Alex Shi <alexs@kernel.org> Cc: Brendan Higgins <brendan.higgins@linux.dev> Cc: David Gow <davidgow@google.com> Cc: Hu Haowen <2023002089@link.tyut.edu.cn> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Rae Moar <rmoar@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Yanteng Si <si.yanteng@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
SeongJae Park
|
ce1d750282 |
selftests/damon/config: remove configs for DAMON debugfs interface selftests
It's time to remove DAMON debugfs interface, which has deprecated long before in February 2023. Read the cover letter of this patch series for more details. Remove configs for selftests of it from DAMON selftests config file, to prevent unnecessary noises from the tests. [1] https://lore.kernel.org/20230209192009.7885-1-sj@kernel.org Link: https://lkml.kernel.org/r/20250106191941.107070-5-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Alex Shi <alexs@kernel.org> Cc: Brendan Higgins <brendan.higgins@linux.dev> Cc: David Gow <davidgow@google.com> Cc: Hu Haowen <2023002089@link.tyut.edu.cn> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Rae Moar <rmoar@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Yanteng Si <si.yanteng@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Donet Tom
|
901083d8f5 |
selftests/mm: add new test cases to the migration test
Added three new test cases to the migration tests: 1. Shared anon THP migration test This test will mmap shared anon memory, madvise it to MADV_HUGEPAGE, then do migration entry testing. One thread will move pages back and forth between nodes whilst other threads try and access them. 2. Private anon hugetlb migration test This test will mmap private anon hugetlb memory and then do the migration entry testing. 3. Shared anon hugetlb migration test This test will mmap shared anon hugetlb memory and then do the migration entry testing. Test results ============ # ./tools/testing/selftests/mm/migration TAP version 13 1..6 # Starting 6 tests from 1 test cases. # RUN migration.private_anon ... # OK migration.private_anon ok 1 migration.private_anon # RUN migration.shared_anon ... # OK migration.shared_anon ok 2 migration.shared_anon # RUN migration.private_anon_thp ... # OK migration.private_anon_thp ok 3 migration.private_anon_thp # RUN migration.shared_anon_thp ... # OK migration.shared_anon_thp ok 4 migration.shared_anon_thp # RUN migration.private_anon_htlb ... # OK migration.private_anon_htlb ok 5 migration.private_anon_htlb # RUN migration.shared_anon_htlb ... # OK migration.shared_anon_htlb ok 6 migration.shared_anon_htlb # PASSED: 6 / 6 tests passed. # Totals: pass:6 fail:0 xfail:0 xpass:0 skip:0 error:0 # Link: https://lkml.kernel.org/r/20241219102720.4487-1-donettom@linux.ibm.com Signed-off-by: Donet Tom <donettom@linux.ibm.com> Reviewed-by: Dev Jain <dev.jain@arm.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: David Hildenbrand <david@redhat.com> Cc: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
647d69605c |
pci-v6.14-changes
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Merge tag 'pci-v6.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Batch sizing of multiple BARs while memory decoding is disabled
instead of disabling/enabling decoding for each BAR individually;
this optimizes virtualized environments where toggling decoding
enable is expensive (Alex Williamson)
- Add host bridge .enable_device() and .disable_device() hooks for
bridges that need to configure things like Requester ID to StreamID
mapping when enabling devices (Frank Li)
- Extend struct pci_ecam_ops with .enable_device() and
.disable_device() hooks so drivers that use pci_host_common_probe()
instead of their own .probe() have a way to set the
.enable_device() callbacks (Marc Zyngier)
- Drop 'No bus range found' message so we don't complain when DTs
don't specify the default 'bus-range = <0x00 0xff>' (Bjorn Helgaas)
- Rename the drivers/pci/of_property.c struct of_pci_range to
of_pci_range_entry to avoid confusion with the global of_pci_range
in include/linux/of_address.h (Bjorn Helgaas)
Driver binding:
- Update resource request API documentation to encourage callers to
supply a driver name when requesting resources (Philipp Stanner)
- Export pci_intx_unmanaged() and pcim_intx() (always managed) so
callers of pci_intx() (which is sometimes managed) can explicitly
choose the one they need (Philipp Stanner)
- Convert drivers from pci_intx() to always-managed pcim_intx() or
never-managed pci_intx_unmanaged(): amd_sfh, ata (ahci, ata_piix,
pata_rdc, sata_sil24, sata_sis, sata_uli, sata_vsc), bnx2x, bna,
ntb, qtnfmac, rtsx, tifm_7xx1, vfio, xen-pciback (Philipp Stanner)
- Remove pci_intx_unmanaged() since pci_intx() is now always
unmanaged and pcim_intx() is always managed (Philipp Stanner)
Error handling:
- Unexport pcie_read_tlp_log() to encourage drivers to use PCI core
logging rather than building their own (Ilpo Järvinen)
- Move TLP Log handling to its own file (Ilpo Järvinen)
- Store number of supported End-End TLP Prefixes always so we can
read the correct number of DWORDs from the TLP Prefix Log (Ilpo
Järvinen)
- Read TLP Prefixes in addition to the Header Log in
pcie_read_tlp_log() (Ilpo Järvinen)
- Add pcie_print_tlp_log() to consolidate printing of TLP Header and
Prefix Log (Ilpo Järvinen)
- Quirk the Intel Raptor Lake-P PIO log size to accommodate vendor
BIOSes that don't configure it correctly (Takashi Iwai)
ASPM:
- Save parent L1 PM Substates config so when we restore it along with
an endpoint's config, the parent info isn't junk (Jian-Hong Pan)
Power management:
- Avoid D3 for Root Ports on TUXEDO Sirius Gen1 with old BIOS because
the system can't wake up from suspend (Werner Sembach)
Endpoint framework:
- Destroy the EPC device in devm_pci_epc_destroy(), which previously
didn't call devres_release() (Zijun Hu)
- Finish virtual EP removal in pci_epf_remove_vepf(), which
previously caused a subsequent pci_epf_add_vepf() to fail with
-EBUSY (Zijun Hu)
- Write BAR_MASK before iATU registers in pci_epc_set_bar() so we
don't depend on the BAR_MASK reset value being larger than the
requested BAR size (Niklas Cassel)
- Prevent changing BAR size/flags in pci_epc_set_bar() to prevent
reads from bypassing the iATU if we reduced the BAR size (Niklas
Cassel)
- Verify address alignment when programming iATU so we don't attempt
to write bits that are read-only because of the BAR size, which
could lead to directing accesses to the wrong address (Niklas
Cassel)
- Implement artpec6 pci_epc_features so we can rely on all drivers
supporting it so we can use it in EPC core code (Niklas Cassel)
- Check for BARs of fixed size to prevent endpoint drivers from
trying to change their size (Niklas Cassel)
- Verify that requested BAR size is a power of two when endpoint
driver sets the BAR (Niklas Cassel)
Endpoint framework tests:
- Clear pci-epf-test dma_chan_rx, not dma_chan_tx, after freeing
dma_chan_rx (Mohamed Khalfella)
- Correct the DMA MEMCPY test so it doesn't fail if the Endpoint
supports both DMA_PRIVATE and DMA_MEMCPY (Manivannan Sadhasivam)
- Add pci-epf-test and pci_endpoint_test support for capabilities
(Niklas Cassel)
- Add Endpoint test for consecutive BARs (Niklas Cassel)
- Remove redundant comparison from Endpoint BAR test because a > 1MB
BAR can always be exactly covered by iterating with a 1MB buffer
(Hans Zhang)
- Move and convert PCI Endpoint tests from tools/pci to Kselftests
(Manivannan Sadhasivam)
Apple PCIe controller driver:
- Convert StreamID mapping configuration from a bus notifier to the
.enable_device() and .disable_device() callbacks (Marc Zyngier)
Freescale i.MX6 PCIe controller driver:
- Add Requester ID to StreamID mapping configuration when enabling
devices (Frank Li)
- Use DWC core suspend/resume functions for imx6 (Frank Li)
- Add suspend/resume support for i.MX8MQ, i.MX8Q, and i.MX95 (Richard
Zhu)
- Add DT compatible string 'fsl,imx8q-pcie-ep' and driver support for
i.MX8Q series (i.MX8QM, i.MX8QXP, and i.MX8DXL) Endpoints (Frank
Li)
- Add DT binding for optional i.MX95 Refclk and driver support to
enable it if the platform hasn't enabled it (Richard Zhu)
- Configure PHY based on controller being in Root Complex or Endpoint
mode (Frank Li)
- Rely on dbi2 and iATU base addresses from DT via
dw_pcie_get_resources() instead of hardcoding them (Richard Zhu)
- Deassert apps_reset in imx_pcie_deassert_core_reset() since it is
asserted in imx_pcie_assert_core_reset() (Richard Zhu)
- Add missing reference clock enable or disable logic for IMX6SX,
IMX7D, IMX8MM (Richard Zhu)
- Remove redundant imx7d_pcie_init_phy() since
imx7d_pcie_enable_ref_clk() does the same thing (Richard Zhu)
Freescale Layerscape PCIe controller driver:
- Simplify by using syscon_regmap_lookup_by_phandle_args() instead
of syscon_regmap_lookup_by_phandle() followed by
of_property_read_u32_array() (Krzysztof Kozlowski)
Marvell MVEBU PCIe controller driver:
- Add MODULE_DEVICE_TABLE() to enable module autoloading (Liao Chen)
MediaTek PCIe Gen3 controller driver:
- Use clk_bulk_prepare_enable() instead of separate
clk_bulk_prepare() and clk_bulk_enable() (Lorenzo Bianconi)
- Rearrange reset assert/deassert so they're both done in the
*_power_up() callbacks (Lorenzo Bianconi)
- Document that Airoha EN7581 requires PHY init and power-on before
PHY reset deassert, unlike other MediaTek Gen3 controllers (Lorenzo
Bianconi)
- Move Airoha EN7581 post-reset delay from the en7581 clock .enable()
method to mtk_pcie_en7581_power_up() (Lorenzo Bianconi)
- Sleep instead of delay during Airoha EN7581 power-up, since this is
a non-atomic context (Lorenzo Bianconi)
- Skip PERST# assertion on Airoha EN7581 during probe and
suspend/resume to avoid a hardware defect (Lorenzo Bianconi)
- Enable async probe to reduce system startup time (Douglas Anderson)
Microchip PolarFlare PCIe controller driver:
- Set up the inbound address translation based on whether the
platform allows coherent or non-coherent DMA (Daire McNamara)
- Update DT binding such that platforms are DMA-coherent by default
and must specify 'dma-noncoherent' if needed (Conor Dooley)
Mobiveil PCIe controller driver:
- Convert mobiveil-pcie.txt to YAML and update 'interrupt-names'
and 'reg-names' (Frank Li)
Qualcomm PCIe controller driver:
- Add DT SM8550 and SM8650 optional 'global' interrupt for link
events (Neil Armstrong)
- Add DT 'compatible' strings for IPQ5424 PCIe controller (Manikanta
Mylavarapu)
- If 'global' IRQ is supported for detection of Link Up events, tell
DWC core not to wait for link up (Krishna chaitanya chundru)
Renesas R-Car PCIe controller driver:
- Avoid passing stack buffer as resource name (King Dix)
Rockchip PCIe controller driver:
- Simplify clock and reset handling by using bulk interfaces (Anand
Moon)
- Pass typed rockchip_pcie (not void) pointer to
rockchip_pcie_disable_clocks() (Anand Moon)
- Return -ENOMEM, not success, when pci_epc_mem_alloc_addr() fails
(Dan Carpenter)
Rockchip DesignWare PCIe controller driver:
- Use dll_link_up IRQ to detect Link Up and enumerate devices so
users don't have to manually rescan (Niklas Cassel)
- Tell DWC core not to wait for link up since the 'sys' interrupt is
required and detects Link Up events (Niklas Cassel)
Synopsys DesignWare PCIe controller driver:
- Don't wait for link up in DWC core if driver can detect Link Up
event (Krishna chaitanya chundru)
- Update ICC and OPP votes after Link Up events (Krishna chaitanya
chundru)
- Always stop link in dw_pcie_suspend_noirq(), which is required at
least for i.MX8QM to re-establish link on resume (Richard Zhu)
- Drop racy and unnecessary LTSSM state check before sending
PME_TURN_OFF message in dw_pcie_suspend_noirq() (Richard Zhu)
- Add struct of_pci_range.parent_bus_addr for devices that need their
immediate parent bus address, not the CPU address, e.g., to program
an internal Address Translation Unit (iATU) (Frank Li)
TI DRA7xx PCIe controller driver:
- Simplify by using syscon_regmap_lookup_by_phandle_args() instead of
syscon_regmap_lookup_by_phandle() followed by
of_parse_phandle_with_fixed_args() or of_property_read_u32_index()
(Krzysztof Kozlowski)
Xilinx Versal CPM PCIe controller driver:
- Add DT binding and driver support for Xilinx Versal CPM5
(Thippeswamy Havalige)
MicroSemi Switchtec management driver:
- Add Microchip PCI100X device IDs (Rakesh Babu Saladi)
Miscellaneous:
- Move reset related sysfs code from pci.c to pci-sysfs.c where other
similar code lives (Ilpo Järvinen)
- Simplify reset_method_store() memory management by using __free()
instead of explicit kfree() cleanup (Ilpo Järvinen)
- Constify struct bin_attribute for sysfs, VPD, P2PDMA, and the IBM
ACPI hotplug driver (Thomas Weißschuh)
- Remove redundant PCI_VSEC_HDR and PCI_VSEC_HDR_LEN_SHIFT (Dongdong
Zhang)
- Correct documentation of the 'config_acs=' kernel parameter
(Akihiko Odaki)"
* tag 'pci-v6.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (111 commits)
PCI: Batch BAR sizing operations
dt-bindings: PCI: microchip,pcie-host: Allow dma-noncoherent
PCI: microchip: Set inbound address translation for coherent or non-coherent mode
Documentation: Fix pci=config_acs= example
PCI: Remove redundant PCI_VSEC_HDR and PCI_VSEC_HDR_LEN_SHIFT
PCI: Don't include 'pm_wakeup.h' directly
selftests: pci_endpoint: Migrate to Kselftest framework
selftests: Move PCI Endpoint tests from tools/pci to Kselftests
misc: pci_endpoint_test: Fix IOCTL return value
dt-bindings: PCI: qcom: Document the IPQ5424 PCIe controller
dt-bindings: PCI: qcom,pcie-sm8550: Document 'global' interrupt
dt-bindings: PCI: mobiveil: Convert mobiveil-pcie.txt to YAML
PCI: switchtec: Add Microchip PCI100X device IDs
misc: pci_endpoint_test: Remove redundant 'remainder' test
misc: pci_endpoint_test: Add consecutive BAR test
misc: pci_endpoint_test: Add support for capabilities
PCI: endpoint: pci-epf-test: Add support for capabilities
PCI: endpoint: pci-epf-test: Fix check for DMA MEMCPY test
PCI: endpoint: pci-epf-test: Set dma_chan_rx pointer to NULL on error
PCI: dwc: Simplify config resource lookup
...
|
||
|
Linus Torvalds
|
fd56e5104a |
OpenRISC updates for 6.14
A few updates from me and the community: * Added support for restartable sequences * Migration to Generic built-in DTB from Masahiro Yamada -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE2cRzVK74bBA6Je/xw7McLV5mJ+QFAmeUhJEACgkQw7McLV5m J+TpeA//VSJeutnK1s6u4VQbO6P0FM2JkY7yy8oAcitlG5bJ/WrRboNCgshaIRlG etoTwEb5llcUL2jDp7217I6Z5XDWUgQwul63PTYeoqEfwvF6kC3DEbOZ8QSfan/x F38kUDQWSyPKzt5aeNQZnKBr32jIZ/MfY9+XC2RHrNYhCTSoTqUcKxk8a69sx9cN MSxrqcfOsywakVgWsM4kPkWzQD4GI5E67BJBw0cI6ux0pqThQsiUyjtwxbIOZXUe /QtaBtGdqYMNEPs4RmoD2qGS3j5GtD3Nxv3adbKs0vpDXHyZj1+SFnIsBU9QBzni meXp4qONoIovg4Mh9VK6iZUWd6z6wegxP370bbsJGErzWS11t3p6qRYXg52DRMh8 w8rB/rHH2n/Dx7T17ec/E+D67/9BiapZrfxaDRjZ1/aa17JYiQeuHFDHRzo4uap2 TZ1NyPHQYLblmj0XDAsh8Me6PKI2pDL8DWZbFZ9dY7rN3lJP9G7kCdqBsM54NmBp M47asri2N2VRhrewWF4fNk9bbf4Ai9ERqShyg211d4fRTg1FhfpGEAKHnu9x2z1D isZf6JSrWhSrgQSq1dxvSjUnW7aw+NCPNqJjuKXYpCnxZePAa1O3/7HpipY58qr5 Ki1TN6x7DuWjR2mTaiIGzT2vktdBP9qFVJYfNneEme7111nRRuA= =9RPl -----END PGP SIGNATURE----- Merge tag 'for-linus' of https://github.com/openrisc/linux Pull OpenRISC updates from Stafford Horne: - Added support for restartable sequences (me) - Migration to Generic built-in DTB (Masahiro Yamada) * tag 'for-linus' of https://github.com/openrisc/linux: rseq/selftests: Add support for OpenRISC openrisc: Add support for restartable sequences openrisc: Add HAVE_REGS_AND_STACK_ACCESS_API support openrisc: migrate to the generic rule for built-in DTB |
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Linus Torvalds
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0f8e26b38d |
Loongarch:
* Clear LLBCTL if secondary mmu mapping changes.
* Add hypercall service support for usermode VMM.
x86:
* Add a comment to kvm_mmu_do_page_fault() to explain why KVM performs a
direct call to kvm_tdp_page_fault() when RETPOLINE is enabled.
* Ensure that all SEV code is compiled out when disabled in Kconfig, even
if building with less brilliant compilers.
* Remove a redundant TLB flush on AMD processors when guest CR4.PGE changes.
* Use str_enabled_disabled() to replace open coded strings.
* Drop kvm_x86_ops.hwapic_irr_update() as KVM updates hardware's APICv cache
prior to every VM-Enter.
* Overhaul KVM's CPUID feature infrastructure to track all vCPU capabilities
instead of just those where KVM needs to manage state and/or explicitly
enable the feature in hardware. Along the way, refactor the code to make
it easier to add features, and to make it more self-documenting how KVM
is handling each feature.
* Rework KVM's handling of VM-Exits during event vectoring; this plugs holes
where KVM unintentionally puts the vCPU into infinite loops in some scenarios
(e.g. if emulation is triggered by the exit), and brings parity between VMX
and SVM.
* Add pending request and interrupt injection information to the kvm_exit and
kvm_entry tracepoints respectively.
* Fix a relatively benign flaw where KVM would end up redoing RDPKRU when
loading guest/host PKRU, due to a refactoring of the kernel helpers that
didn't account for KVM's pre-checking of the need to do WRPKRU.
* Make the completion of hypercalls go through the complete_hypercall
function pointer argument, no matter if the hypercall exits to
userspace or not. Previously, the code assumed that KVM_HC_MAP_GPA_RANGE
specifically went to userspace, and all the others did not; the new code
need not special case KVM_HC_MAP_GPA_RANGE and in fact does not care at
all whether there was an exit to userspace or not.
* As part of enabling TDX virtual machines, support support separation of
private/shared EPT into separate roots. When TDX will be enabled, operations
on private pages will need to go through the privileged TDX Module via SEAMCALLs;
as a result, they are limited and relatively slow compared to reading a PTE.
The patches included in 6.14 allow KVM to keep a mirror of the private EPT in
host memory, and define entries in kvm_x86_ops to operate on external page
tables such as the TDX private EPT.
* The recently introduced conversion of the NX-page reclamation kthread to
vhost_task moved the task under the main process. The task is created as
soon as KVM_CREATE_VM was invoked and this, of course, broke userspace that
didn't expect to see any child task of the VM process until it started
creating its own userspace threads. In particular crosvm refuses to fork()
if procfs shows any child task, so unbreak it by creating the task lazily.
This is arguably a userspace bug, as there can be other kinds of legitimate
worker tasks and they wouldn't impede fork(); but it's not like userspace
has a way to distinguish kernel worker tasks right now. Should they show
as "Kthread: 1" in proc/.../status?
x86 - Intel:
* Fix a bug where KVM updates hardware's APICv cache of the highest ISR bit
while L2 is active, while ultimately results in a hardware-accelerated L1
EOI effectively being lost.
* Honor event priority when emulating Posted Interrupt delivery during nested
VM-Enter by queueing KVM_REQ_EVENT instead of immediately handling the
interrupt.
* Rework KVM's processing of the Page-Modification Logging buffer to reap
entries in the same order they were created, i.e. to mark gfns dirty in the
same order that hardware marked the page/PTE dirty.
* Misc cleanups.
Generic:
* Cleanup and harden kvm_set_memory_region(); add proper lockdep assertions when
setting memory regions and add a dedicated API for setting KVM-internal
memory regions. The API can then explicitly disallow all flags for
KVM-internal memory regions.
* Explicitly verify the target vCPU is online in kvm_get_vcpu() to fix a bug
where KVM would return a pointer to a vCPU prior to it being fully online,
and give kvm_for_each_vcpu() similar treatment to fix a similar flaw.
* Wait for a vCPU to come online prior to executing a vCPU ioctl, to fix a
bug where userspace could coerce KVM into handling the ioctl on a vCPU that
isn't yet onlined.
* Gracefully handle xarray insertion failures; even though such failures are
impossible in practice after xa_reserve(), reserving an entry is always followed
by xa_store() which does not know (or differentiate) whether there was an
xa_reserve() before or not.
RISC-V:
* Zabha, Svvptc, and Ziccrse extension support for guests. None of them
require anything in KVM except for detecting them and marking them
as supported; Zabha adds byte and halfword atomic operations, while the
others are markers for specific operation of the TLB and of LL/SC
instructions respectively.
* Virtualize SBI system suspend extension for Guest/VM
* Support firmware counters which can be used by the guests to collect
statistics about traps that occur in the host.
Selftests:
* Rework vcpu_get_reg() to return a value instead of using an out-param, and
update all affected arch code accordingly.
* Convert the max_guest_memory_test into a more generic mmu_stress_test.
The basic gist of the "conversion" is to have the test do mprotect() on
guest memory while vCPUs are accessing said memory, e.g. to verify KVM
and mmu_notifiers are working as intended.
* Play nice with treewrite builds of unsupported architectures, e.g. arm
(32-bit), as KVM selftests' Makefile doesn't do anything to ensure the
target architecture is actually one KVM selftests supports.
* Use the kernel's $(ARCH) definition instead of the target triple for arch
specific directories, e.g. arm64 instead of aarch64, mainly so as not to
be different from the rest of the kernel.
* Ensure that format strings for logging statements are checked by the
compiler even when the logging statement itself is disabled.
* Attempt to whack the last LLC references/misses mole in the Intel PMU
counters test by adding a data load and doing CLFLUSH{OPT} on the data
instead of the code being executed. It seems that modern Intel CPUs
have learned new code prefetching tricks that bypass the PMU counters.
* Fix a flaw in the Intel PMU counters test where it asserts that events
are counting correctly without actually knowing what the events count
given the underlying hardware; this can happen if Intel reuses a
formerly microarchitecture-specific event encoding as an architectural
event, as was the case for Top-Down Slots.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"Loongarch:
- Clear LLBCTL if secondary mmu mapping changes
- Add hypercall service support for usermode VMM
x86:
- Add a comment to kvm_mmu_do_page_fault() to explain why KVM
performs a direct call to kvm_tdp_page_fault() when RETPOLINE is
enabled
- Ensure that all SEV code is compiled out when disabled in Kconfig,
even if building with less brilliant compilers
- Remove a redundant TLB flush on AMD processors when guest CR4.PGE
changes
- Use str_enabled_disabled() to replace open coded strings
- Drop kvm_x86_ops.hwapic_irr_update() as KVM updates hardware's
APICv cache prior to every VM-Enter
- Overhaul KVM's CPUID feature infrastructure to track all vCPU
capabilities instead of just those where KVM needs to manage state
and/or explicitly enable the feature in hardware. Along the way,
refactor the code to make it easier to add features, and to make it
more self-documenting how KVM is handling each feature
- Rework KVM's handling of VM-Exits during event vectoring; this
plugs holes where KVM unintentionally puts the vCPU into infinite
loops in some scenarios (e.g. if emulation is triggered by the
exit), and brings parity between VMX and SVM
- Add pending request and interrupt injection information to the
kvm_exit and kvm_entry tracepoints respectively
- Fix a relatively benign flaw where KVM would end up redoing RDPKRU
when loading guest/host PKRU, due to a refactoring of the kernel
helpers that didn't account for KVM's pre-checking of the need to
do WRPKRU
- Make the completion of hypercalls go through the complete_hypercall
function pointer argument, no matter if the hypercall exits to
userspace or not.
Previously, the code assumed that KVM_HC_MAP_GPA_RANGE specifically
went to userspace, and all the others did not; the new code need
not special case KVM_HC_MAP_GPA_RANGE and in fact does not care at
all whether there was an exit to userspace or not
- As part of enabling TDX virtual machines, support support
separation of private/shared EPT into separate roots.
When TDX will be enabled, operations on private pages will need to
go through the privileged TDX Module via SEAMCALLs; as a result,
they are limited and relatively slow compared to reading a PTE.
The patches included in 6.14 allow KVM to keep a mirror of the
private EPT in host memory, and define entries in kvm_x86_ops to
operate on external page tables such as the TDX private EPT
- The recently introduced conversion of the NX-page reclamation
kthread to vhost_task moved the task under the main process. The
task is created as soon as KVM_CREATE_VM was invoked and this, of
course, broke userspace that didn't expect to see any child task of
the VM process until it started creating its own userspace threads.
In particular crosvm refuses to fork() if procfs shows any child
task, so unbreak it by creating the task lazily. This is arguably a
userspace bug, as there can be other kinds of legitimate worker
tasks and they wouldn't impede fork(); but it's not like userspace
has a way to distinguish kernel worker tasks right now. Should they
show as "Kthread: 1" in proc/.../status?
x86 - Intel:
- Fix a bug where KVM updates hardware's APICv cache of the highest
ISR bit while L2 is active, while ultimately results in a
hardware-accelerated L1 EOI effectively being lost
- Honor event priority when emulating Posted Interrupt delivery
during nested VM-Enter by queueing KVM_REQ_EVENT instead of
immediately handling the interrupt
- Rework KVM's processing of the Page-Modification Logging buffer to
reap entries in the same order they were created, i.e. to mark gfns
dirty in the same order that hardware marked the page/PTE dirty
- Misc cleanups
Generic:
- Cleanup and harden kvm_set_memory_region(); add proper lockdep
assertions when setting memory regions and add a dedicated API for
setting KVM-internal memory regions. The API can then explicitly
disallow all flags for KVM-internal memory regions
- Explicitly verify the target vCPU is online in kvm_get_vcpu() to
fix a bug where KVM would return a pointer to a vCPU prior to it
being fully online, and give kvm_for_each_vcpu() similar treatment
to fix a similar flaw
- Wait for a vCPU to come online prior to executing a vCPU ioctl, to
fix a bug where userspace could coerce KVM into handling the ioctl
on a vCPU that isn't yet onlined
- Gracefully handle xarray insertion failures; even though such
failures are impossible in practice after xa_reserve(), reserving
an entry is always followed by xa_store() which does not know (or
differentiate) whether there was an xa_reserve() before or not
RISC-V:
- Zabha, Svvptc, and Ziccrse extension support for guests. None of
them require anything in KVM except for detecting them and marking
them as supported; Zabha adds byte and halfword atomic operations,
while the others are markers for specific operation of the TLB and
of LL/SC instructions respectively
- Virtualize SBI system suspend extension for Guest/VM
- Support firmware counters which can be used by the guests to
collect statistics about traps that occur in the host
Selftests:
- Rework vcpu_get_reg() to return a value instead of using an
out-param, and update all affected arch code accordingly
- Convert the max_guest_memory_test into a more generic
mmu_stress_test. The basic gist of the "conversion" is to have the
test do mprotect() on guest memory while vCPUs are accessing said
memory, e.g. to verify KVM and mmu_notifiers are working as
intended
- Play nice with treewrite builds of unsupported architectures, e.g.
arm (32-bit), as KVM selftests' Makefile doesn't do anything to
ensure the target architecture is actually one KVM selftests
supports
- Use the kernel's $(ARCH) definition instead of the target triple
for arch specific directories, e.g. arm64 instead of aarch64,
mainly so as not to be different from the rest of the kernel
- Ensure that format strings for logging statements are checked by
the compiler even when the logging statement itself is disabled
- Attempt to whack the last LLC references/misses mole in the Intel
PMU counters test by adding a data load and doing CLFLUSH{OPT} on
the data instead of the code being executed. It seems that modern
Intel CPUs have learned new code prefetching tricks that bypass the
PMU counters
- Fix a flaw in the Intel PMU counters test where it asserts that
events are counting correctly without actually knowing what the
events count given the underlying hardware; this can happen if
Intel reuses a formerly microarchitecture-specific event encoding
as an architectural event, as was the case for Top-Down Slots"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (151 commits)
kvm: defer huge page recovery vhost task to later
KVM: x86/mmu: Return RET_PF* instead of 1 in kvm_mmu_page_fault()
KVM: Disallow all flags for KVM-internal memslots
KVM: x86: Drop double-underscores from __kvm_set_memory_region()
KVM: Add a dedicated API for setting KVM-internal memslots
KVM: Assert slots_lock is held when setting memory regions
KVM: Open code kvm_set_memory_region() into its sole caller (ioctl() API)
LoongArch: KVM: Add hypercall service support for usermode VMM
LoongArch: KVM: Clear LLBCTL if secondary mmu mapping is changed
KVM: SVM: Use str_enabled_disabled() helper in svm_hardware_setup()
KVM: VMX: read the PML log in the same order as it was written
KVM: VMX: refactor PML terminology
KVM: VMX: Fix comment of handle_vmx_instruction()
KVM: VMX: Reinstate __exit attribute for vmx_exit()
KVM: SVM: Use str_enabled_disabled() helper in sev_hardware_setup()
KVM: x86: Avoid double RDPKRU when loading host/guest PKRU
KVM: x86: Use LVT_TIMER instead of an open coded literal
RISC-V: KVM: Add new exit statstics for redirected traps
RISC-V: KVM: Update firmware counters for various events
RISC-V: KVM: Redirect instruction access fault trap to guest
...
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||
|
Linus Torvalds
|
ae8b53aac3 |
EFI updates for v6.14
- Increase the headroom in the EFI memory map allocation created by the EFI stub. This is needed because event callbacks called during ExitBootServices() may cause fragmentation, and reallocation is not allowed after that. - Drop obsolete UGA graphics code and switch to a more ergonomic API to traverse handle buffers. Simplify some error paths using a __free() helper while at it. - Fix some W=1 warnings when CONFIG_EFI=n - Rely on the dentry cache to keep track of the contents of the efivarfs filesystem, rather than using a separate linked list. - Improve and extend efivarfs test cases. - Synchronize efivarfs with underlying variable store on resume from hibernation - this is needed because the firmware itself or another OS running on the same machine may have modified it. - Fix x86 EFI stub build with GCC 15. - Fix kexec/x86 false positive warning in EFI memory attributes table sanity check. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZ5IH+gAKCRAwbglWLn0t XHyMAP9Mqn5dD4XT22gvTRUrJuVYFLBlN+9d8ysRMjRVCzGwCQEAvCUJMy5Kje0J h9i2InWjjPOVATx5hTrEoIEl96BGOgk= =3Hnk -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Increase the headroom in the EFI memory map allocation created by the EFI stub. This is needed because event callbacks called during ExitBootServices() may cause fragmentation, and reallocation is not allowed after that. - Drop obsolete UGA graphics code and switch to a more ergonomic API to traverse handle buffers. Simplify some error paths using a __free() helper while at it. - Fix some W=1 warnings when CONFIG_EFI=n - Rely on the dentry cache to keep track of the contents of the efivarfs filesystem, rather than using a separate linked list. - Improve and extend efivarfs test cases. - Synchronize efivarfs with underlying variable store on resume from hibernation - this is needed because the firmware itself or another OS running on the same machine may have modified it. - Fix x86 EFI stub build with GCC 15. - Fix kexec/x86 false positive warning in EFI memory attributes table sanity check. * tag 'efi-next-for-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: (23 commits) x86/efi: skip memattr table on kexec boot efivarfs: add variable resync after hibernation efivarfs: abstract initial variable creation routine efi: libstub: Use '-std=gnu11' to fix build with GCC 15 selftests/efivarfs: add concurrent update tests selftests/efivarfs: fix tests for failed write removal efivarfs: fix error on write to new variable leaving remnants efivarfs: remove unused efivarfs_list efivarfs: move variable lifetime management into the inodes selftests/efivarfs: add check for disallowing file truncation efivarfs: prevent setting of zero size on the inodes in the cache efi: sysfb_efi: fix W=1 warnings when EFI is not set efi/libstub: Use __free() helper for pool deallocations efi/libstub: Use cleanup helpers for freeing copies of the memory map efi/libstub: Simplify PCI I/O handle buffer traversal efi/libstub: Refactor and clean up GOP resolution picker code efi/libstub: Simplify GOP handling code efi/libstub: Use C99-style for loop to traverse handle buffer x86/efistub: Drop long obsolete UGA support efivarfs: make variable_is_present use dcache lookup ... |