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| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Martin KaFai Lau
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7dc484fe48 |
Merge branch 'support-non-linear-skbs-for-bpf_prog_test_run'
Paul Chaignon says:
====================
Support non-linear skbs for BPF_PROG_TEST_RUN
This patchset adds support for non-linear skbs when running tc programs
with BPF_PROG_TEST_RUN.
We've had multiple bugs in the past few years in Cilium caused by
missing calls to bpf_skb_pull_data(). Daniel suggested to support
non linear skb in BPF_PROG_TEST_RUN to uncover these bugs in
our BPF tests.
Changes in v8:
- Fix uninitialized data pointer spotted by Martin.
- Error out in test_loader if __linear_size tag is used on unsupported
program types.
Changes in v7:
- Refactor use of 'size' variable as suggested by Martin.
- Support copying back the non-linear area to data_out.
- Minor code changes for readability, suggested by Martin.
Changes in v6:
- Disallow non-linear skb in prog_run_skb only for LWT programs
instead of all non-L2 program types, on suggestion from Martin.
- Reject non-null ctx->data and ctx->data_meta, as suggested by Amery.
- Bound linear_size to 'PAGE_SIZE - headroom - tailroom' to be
consistent with prog_run_xdp, as suggested by Martin.
- Allocate exactly linear_size bytes in bpf_test_init, spotted by
Martin.
- Fix wrong conflict resolution on double-free fix, spotted by Amery.
- Rebased.
Changes in v5:
- Fix double free on data in first patch.
Changes in v4:
- Per Martin's suggestion, follow the XDP code pattern and use
bpf_test_init only to initialize the linear area. That way data is
directly copied to the right areas and we avoid the call to
__pskb_pull_tail.
- Fixed outdated commit descriptions.
- Rebased.
Changes in v3:
- Dropped BPF_F_TEST_SKB_NON_LINEAR and used the ctx->data_end to
determine if the user wants non-linear skb, as suggested by Amery.
- Introduced a second commit with a bit of refactoring to allow for
the above requested change.
- Fix bug found by syzkaller on third commit.
- Rebased.
Changes in v2:
- Made the linear size configurable via ctx->data_end, as suggested
by Amery.
- Reworked the selftests to allow testing the configurable linear
size.
- Fix warnings reported by kernel test robot on first commit.
- Rebased.
====================
Link: https://patch.msgid.link/cover.1760037899.git.paul.chaignon@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Paul Chaignon
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bc3eeb4259 |
selftests/bpf: Test direct packet access on non-linear skbs
This patch adds new selftests in the direct packet access suite, to cover the non-linear case. The first six tests cover the behavior of the bounds check with a non-linear skb. The last test adds a call to bpf_skb_pull_data() to be able to access the packet. Note that the size of the linear area includes the L2 header, but for some program types like cgroup_skb, ctx->data points to the L3 header. Therefore, a linear area of 22 bytes will have only 8 bytes accessible to the BPF program (22 - ETH_HLEN). For that reason, the cgroup_skb test cases access the packet at an offset of 8 bytes. Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/ceedbfd719e58f0d49dcceb8592f5e6bd38ce5fe.1760037899.git.paul.chaignon@gmail.com |
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Paul Chaignon
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8d45d0398d |
selftests/bpf: Support non-linear flag in test loader
This patch adds support for a new tag __linear_size in the test loader, to specify the size of the linear area in case of non-linear skbs. If the tag is absent or null, a linear skb is crafted. Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/7ad928ec7591daef4f1b84032aeb86c918b3e5a7.1760037899.git.paul.chaignon@gmail.com |
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Paul Chaignon
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838baa351c |
bpf: Craft non-linear skbs in BPF_PROG_TEST_RUN
This patch adds support for crafting non-linear skbs in BPF test runs for tc programs. The size of the linear area is given by ctx->data_end, with a minimum of ETH_HLEN always pulled in the linear area. If ctx or ctx->data_end are null, a linear skb is used. This is particularly useful to test support for non-linear skbs in large codebases such as Cilium. We've had multiple bugs in the past few years where we were missing calls to bpf_skb_pull_data(). This support in BPF_PROG_TEST_RUN would allow us to automatically cover this case in our BPF tests. LWT program types are currently excluded in this patch. Allowing non-linear skbs for these programs would require a bit more care because they are able to call helpers (ex., bpf_clone_redirect, bpf_redirect) that themselves call eth_type_trans(). eth_type_trans() assumes there are at least ETH_HLEN bytes in the linear area. That may not be true for LWT programs as we already pulled the L2 header via the eth_type_trans() call in bpf_prog_test_run_skb(). In addition to the selftests introduced later in the series, this patch was tested by enabling non-linear skbs for all tc selftests programs and checking test failures were expected. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Tested-by: syzbot@syzkaller.appspotmail.com Link: https://patch.msgid.link/5694d4d1af31bddf974afcb1bbb1e28b8998dcd0.1760037899.git.paul.chaignon@gmail.com |
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Paul Chaignon
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57bb2f6717 |
bpf: Reorder bpf_prog_test_run_skb initialization
This patch reorders the initialization of bpf_prog_test_run_skb to simplify the subsequent patch. Program types are checked first, followed by the ctx init, and finally the data init. With the subsequent patch, program types and the ctx init provide information that is used in the data init. Thus, we need the data init to happen last. Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/063475176f15828a882c07846017394baf72f682.1760037899.git.paul.chaignon@gmail.com |
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Paul Chaignon
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d8accf661f |
bpf: Refactor cleanup of bpf_prog_test_run_skb
This bit of refactoring aims to simplify how we free memory in bpf_prog_test_run_skb to avoid code duplication. Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Tested-by: syzbot@syzkaller.appspotmail.com Link: https://patch.msgid.link/8971e01ae87b84f5af6b8b40defd3c310faf1c0f.1760037899.git.paul.chaignon@gmail.com |
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Alexei Starovoitov
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2e36338df4 |
Merge branch 'add-kfuncs-bpf_strcasestr-and-bpf_strncasestr'
Rong Tao says:
====================
Add kfuncs bpf_strcasestr and bpf_strncasestr
From: Rong Tao <rongtao@cestc.cn>
Add kfuncs bpf_strcasestr and bpf_strncasestr, which are extensions of
bpf_strstr and bpf_strnstr, suitable for more scenarios.
v4: Fix wrong comment.
v3: keep __bpf_strnstr() static and compress some tests.
https://lore.kernel.org/lkml/tencent_6E59062E4249590597452A06AFCDA3098808@qq.com/
v2: remove extra __bpf_kfunc and fix comment of bpf_strncasestr().
https://lore.kernel.org/all/tencent_6D228941AB904DD6E1E58C8ACDEBEC280C06@qq.com/
v1: https://lore.kernel.org/all/tencent_8AF4D15B4475031E2185ACDE4B1495995707@qq.com/
====================
Link: https://patch.msgid.link/tencent_98ABC9680EA2A20198904316DAE5A84AD906@qq.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Rong Tao
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eca0b643ef |
selftests/bpf: Test bpf_strcasestr,bpf_strncasestr kfuncs
Add tests for new kfuncs bpf_strcasestr() and bpf_strncasestr(). Signed-off-by: Rong Tao <rongtao@cestc.cn> Link: https://lore.kernel.org/r/tencent_4F1A340A8966155C52AA9CBDB68FD221FE0A@qq.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Rong Tao
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b5b693f735 |
bpf: add bpf_strcasestr,bpf_strncasestr kfuncs
bpf_strcasestr() and bpf_strncasestr() functions perform same like bpf_strstr() and bpf_strnstr() except ignoring the case of the characters. Signed-off-by: Rong Tao <rongtao@cestc.cn> Link: https://lore.kernel.org/r/tencent_B01165355D42A8B8BF5E8D0A21EE1A88090A@qq.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Alexei Starovoitov
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17566cf0e3 |
Merge branch 'fix-sleepable-context-tracking-for-async-callbacks'
Kumar Kartikeya Dwivedi says: ==================== Fix sleepable context tracking for async callbacks Currently, asynchronous execution primitives set up their callback execution simulation using push_async_cb, which will end up inheriting the sleepable or non-sleepable bit from the program triggering the simulation of the callback. This is incorrect, as the actual execution context of the asynchronous callback has nothing to do with the program arming its execution. This set fixes this oversight, and supplies a few test cases ensuring the correct behavior is tested across different types of primitives (i.e. timer, wq, task_work). While looking at this bug, it was noticed that the GFP flag setting logic for storage_get helpers is also broken, hence fix it while we are at it. PSA: These fixes and unit tests were primarily produced by prompting an AI assistant (Claude), and then modified in minor ways, in an exercise to understand how useful it can be at general kernel development tasks. Changelog: ---------- v1 -> v2 v1: https://lore.kernel.org/bpf/20251007014310.2889183-1-memxor@gmail.com * Squash fix for GFP flags into 1st commit. (Eduard) * Add a commit refactoring func_atomic to non_sleepable, make it generic, also set for kfuncs in addition to helpers. (Eduard) * Leave selftest as-is, coverage for global subprogs calling sleepable kfuncs or helpers is provided in rcu_read_lock.c. ==================== Link: https://patch.msgid.link/20251007220349.3852807-1-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Kumar Kartikeya Dwivedi
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5b1b5d380a |
selftests/bpf: Add tests for async cb context
Add tests to verify that async callback's sleepable attribute is correctly determined by the callback type, not the arming program's context, reflecting its true execution context. Introduce verifier_async_cb_context.c with tests for all three async callback primitives: bpf_timer, bpf_wq, and bpf_task_work. Each primitive is tested when armed from both sleepable (lsm.s/file_open) and non-sleepable (fentry) programs. Test coverage: - bpf_timer callbacks: Verify they are never sleepable, even when armed from sleepable programs. Both tests should fail when attempting to use sleepable helper bpf_copy_from_user() in the callback. - bpf_wq callbacks: Verify they are always sleepable, even when armed from non-sleepable programs. Both tests should succeed when using sleepable helpers in the callback. - bpf_task_work callbacks: Verify they are always sleepable, even when armed from non-sleepable programs. Both tests should succeed when using sleepable helpers in the callback. Acked-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20251007220349.3852807-4-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Kumar Kartikeya Dwivedi
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f233d48559 |
bpf: Refactor storage_get_func_atomic to generic non_sleepable flag
Rename the storage_get_func_atomic flag to a more generic non_sleepable flag that tracks whether a helper or kfunc may be called from a non-sleepable context. This makes the flag more broadly applicable beyond just storage_get helpers. See [0] for more context. The flag is now set unconditionally for all helpers and kfuncs when: - RCU critical section is active. - Preemption is disabled. - IRQs are disabled. - In a non-sleepable context within a sleepable program (e.g., timer callbacks), which is indicated by !in_sleepable(). Previously, the flag was only set for storage_get helpers in these contexts. With this change, it can be used by any code that needs to differentiate between sleepable and non-sleepable contexts at the per-instruction level. The existing usage in do_misc_fixups() for storage_get helpers is preserved by checking is_storage_get_function() before using the flag. [0]: https://lore.kernel.org/bpf/CAP01T76cbaNi4p-y8E0sjE2NXSra2S=Uja8G4hSQDu_SbXxREQ@mail.gmail.com Cc: Mykyta Yatsenko <yatsenko@meta.com> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Acked-by: Mykyta Yatsenko <mykyta.yatsenko5@gmail.com> Link: https://lore.kernel.org/r/20251007220349.3852807-3-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Kumar Kartikeya Dwivedi
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469d638d15 |
bpf: Fix sleepable context for async callbacks
Fix the BPF verifier to correctly determine the sleepable context of async callbacks based on the async primitive type rather than the arming program's context. The bug is in in_sleepable() which uses OR logic to check if the current execution context is sleepable. When a sleepable program arms a timer callback, the callback's state correctly has in_sleepable=false, but in_sleepable() would still return true due to env->prog->sleepable being true. This incorrectly allows sleepable helpers like bpf_copy_from_user() inside timer callbacks when armed from sleepable programs, even though timer callbacks always execute in non-sleepable context. Fix in_sleepable() to rely solely on env->cur_state->in_sleepable, and initialize state->in_sleepable to env->prog->sleepable in do_check_common() for the main program entry. This ensures the sleepable context is properly tracked per verification state rather than being overridden by the program's sleepability. The env->cur_state NULL check in in_sleepable() was only needed for do_misc_fixups() which runs after verification when env->cur_state is set to NULL. Update do_misc_fixups() to use env->prog->sleepable directly for the storage_get_function check, and remove the redundant NULL check from in_sleepable(). Introduce is_async_cb_sleepable() helper to explicitly determine async callback sleepability based on the primitive type: - bpf_timer callbacks are never sleepable - bpf_wq and bpf_task_work callbacks are always sleepable Add verifier_bug() check to catch unhandled async callback types, ensuring future additions cannot be silently mishandled. Move the is_task_work_add_kfunc() forward declaration to the top alongside other callback-related helpers. We update push_async_cb() to adjust to the new changes. At the same time, while simplifying in_sleepable(), we notice a problem in do_misc_fixups. Fix storage_get helpers to use GFP_ATOMIC when called from non-sleepable contexts within sleepable programs, such as bpf_timer callbacks. Currently, the check in do_misc_fixups assumes that env->prog->sleepable, previously in_sleepable(env) which only resolved to this check before last commit, holds across the program's execution, but that is not true. Instead, the func_atomic bit must be set whenever we see the function being called in an atomic context. Previously, this is being done when the helper is invoked in atomic contexts in sleepable programs, we can simply just set the value to true without doing an in_sleepable() check. We must also do a standalone in_sleepable() check to handle cases where the async callback itself is armed from a sleepable program, but is itself non-sleepable (e.g., timer callback) and invokes such a helper, thus needing the func_atomic bit to be true for the said call. Adjust do_misc_fixups() to drop any checks regarding sleepable nature of the program, and just depend on the func_atomic bit to decide which GFP flag to pass. Fixes: |
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Siddharth Chintamaneni
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56b4d16239 |
bpf: Cleanup unused func args in rqspinlock implementation
cleanup unused function args in check_deadlock* functions.
Fixes:
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Fushuai Wang
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0db4941d9d |
bpf: Use rcu_read_lock_dont_migrate in bpf_sk_storage.c
Use rcu_read_lock_dont_migrate() and rcu_read_unlock_migrate() in bpf_sk_storage.c to obtain better performance when PREEMPT_RCU is not enabled. Signed-off-by: Fushuai Wang <wangfushuai@baidu.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20251007074011.12916-1-wangfushuai@baidu.com |
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Rong Tao
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de7342228b |
bpf: Finish constification of 1st parameter of bpf_d_path()
The commit |
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Linus Torvalds
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cbf33b8e0b |
bpf-fixes
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Linus Torvalds
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d955299b5c |
soc: build fix for 6.18
One commit for the dt bindings was missing from the dt branch, this one is already pending in the clk tree that contains the corresponding device driver. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmje970ACgkQYKtH/8kJ UieWdQ/9EKbkRWleVJ9Cuz4oX1vOv6TKISkboqb4b7ZFh56AKV/PeVanAiy+wsaI tnVuiIi8aVBiPxddi4xVY4+RaRp0ZjaOEDYhxvJ1huc1p7i0I4viHo0G4MYflgbM Db+yjqaSGMfpKEcWJSmtVt1qZF89t/8ZE0vlPxQ0Z+wAqTEX3b6zofI1UnAiFtGH vgvXcW6798n+czaZulE98tC+oAWlrbyruVh0SC8q7UfchCrCFsJQYSkw9GecmoaR RS48mM+JHdKxgHsNXR5qbWkktHcsvC8TJ8Jscxqn71cJYB1TldGEdBAEpfxlVkYD rWbCr6mr6XHg0N/5yVF0n5VwLESGJeUhRsFMiBUHfq9HgWred6iwP/pu6LQGWaKE fKUDlM/ukTzuyVaG1Ipxr9wbecpIHlETmaVSBZMrBHYj0hSeDvV5qVkKHORYX/QN OdtIcIsoez7VReqhnHIBy/MNRbLrZZCkEscX6H2i41d7pXDmFdBZZIGTN7W9kuNx DEvPVJtXznLxTIOawftoB1AG/PBUaa8zLZ6w/7DmFXx4rRSztyBmYV14bE86JTwF y0Hux3DHaAYtj4qI25awwzMLdNyMDc7BQry9fF/5wdZYBzAHbbv1OEZ/J+Fm6YNn q4ERE7NpB8TVG1DAFuKrzI4OsFxHzurco2snso5yY8OYvDn/BMs= =DlPR -----END PGP SIGNATURE----- Merge tag 'soc-fixes-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC build fix from Arnd Bergmann: "One commit for the dt bindings was missing from the dt branch, this one is already pending in the clk tree that contains the corresponding device driver" * tag 'soc-fixes-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: dt-bindings: clock: Add ARTPEC-8 clock controller |
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Linus Torvalds
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674b0ddb75 |
SCSI misc on 20251002
Usual driver updates (ufs, mpi3mr, lpfc, pm80xx, mpt3sas) plus assorted cleanups and fixes. The only core update is to sd.c and is mostly cosmetic. Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> -----BEGIN PGP SIGNATURE----- iLgEABMIAGAWIQTnYEDbdso9F2cI+arnQslM7pishQUCaN7vMhsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDImHGphbWVzLmJvdHRvbWxleUBoYW5zZW5wYXJ0bmVy c2hpcC5jb20ACgkQ50LJTO6YrIXdXgD9HsCcnqb5KzHs0EMzy752KjHoHeS5Tg59 CkTZcpTFAfgBAJJIHo5AripQ0cqPqTzVEkhWbd9q277A3HLgu3NFcsWG =seOt -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "Usual driver updates (ufs, mpi3mr, lpfc, pm80xx, mpt3sas) plus assorted cleanups and fixes. The only core update is to sd.c and is mostly cosmetic" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (105 commits) scsi: MAINTAINERS: Update FC element owners scsi: mpt3sas: Update driver version to 54.100.00.00 scsi: mpt3sas: Add support for 22.5 Gbps SAS link rate scsi: mpt3sas: Suppress unnecessary IOCLogInfo on CONFIG_INVALID_PAGE scsi: mpt3sas: Fix crash in transport port remove by using ioc_info() scsi: ufs: ufs-qcom: Add support for limiting HS gear and rate scsi: ufs: pltfrm: Add DT support to limit HS gear and gear rate scsi: ufs: ufs-qcom: Remove redundant re-assignment to hs_rate scsi: ufs: dt-bindings: Document gear and rate limit properties scsi: ufs: core: Fix data race in CPU latency PM QoS request handling scsi: libfc: Fix potential buffer overflow in fc_ct_ms_fill() scsi: storvsc: Remove redundant ternary operators scsi: ufs: core: Change MCQ interrupt enable flow scsi: smartpqi: Replace kmalloc() + copy_from_user() with memdup_user() scsi: hpsa: Replace kmalloc() + copy_from_user() with memdup_user() scsi: hpsa: Fix potential memory leak in hpsa_big_passthru_ioctl() scsi: lpfc: Copyright updates for 14.4.0.11 patches scsi: lpfc: Update lpfc version to 14.4.0.11 scsi: lpfc: Convert debugfs directory counts from atomic to unsigned int scsi: lpfc: Clean up extraneous phba dentries ... |
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Linus Torvalds
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7dbec0bbc3 |
dm docs: fix typos
dm, dm-ima, dm-bufio, dm-vdo, dm-raid: small refactoring dm-error: mark it with DM_TARGET_PASSES_INTEGRITY dm-pcache: a new target for read/write caching on persistent memory dm-request-based: fix NULL pointer dereference and quiesce_depth out of sync dm-linear: optimize REQ_PREFLUSH dm-vdo: return error on corrupted metadata dm-integrity: support asynchronous hash interface -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRnH8MwLyZDhyYfesYTAyx9YGnhbQUCaN/T8RQcbXBhdG9ja2FA cmVkaGF0LmNvbQAKCRATAyx9YGnhbdPWAP9JEpnq09RzwneB/FdCE2WsjInsAaas eYqKrkgoatVzOwEAoqEzYb9IUrKMZbFPdWzEA1aXUBCH+UAKhm+G9WG5Vw0= =dCXi -----END PGP SIGNATURE----- Merge tag 'for-6.18/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mikulas Patocka: - a new dm-pcache target for read/write caching on persistent memory - fix typos in docs - misc small refactoring - mark dm-error with DM_TARGET_PASSES_INTEGRITY - dm-request-based: fix NULL pointer dereference and quiesce_depth out of sync - dm-linear: optimize REQ_PREFLUSH - dm-vdo: return error on corrupted metadata - dm-integrity: support asynchronous hash interface * tag 'for-6.18/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (27 commits) dm raid: use proper md_ro_state enumerators dm-integrity: prefer synchronous hash interface dm-integrity: enable asynchronous hash interface dm-integrity: rename internal_hash dm-integrity: add the "offset" argument dm-integrity: allocate the recalculate buffer with kmalloc dm-integrity: introduce integrity_kmap and integrity_kunmap dm-integrity: replace bvec_kmap_local with kmap_local_page dm-integrity: use internal variable for digestsize dm vdo: return error on corrupted metadata in start_restoring_volume functions dm vdo: Update code to use mem_is_zero dm: optimize REQ_PREFLUSH with data when using the linear target dm-pcache: use int type to store negative error codes dm: fix "writen"->"written" dm-pcache: cleanup: fix coding style report by checkpatch.pl dm-pcache: remove ctrl_lock for pcache_cache_segment dm: fix NULL pointer dereference in __dm_suspend() dm: fix queue start/stop imbalance under suspend/load/resume races dm-pcache: add persistent cache target in device-mapper dm error: mark as DM_TARGET_PASSES_INTEGRITY ... |
||
|
Linus Torvalds
|
2ccb4d203f |
RDMA v6.18 merge window pull request
A new Pensando ionic driver, a new Gen 3 HW support for Intel irdma,
and lots of small bnxt_re improvements.
- Small bug fixes and improves to hfi1, efa, mlx5, erdma, rdmarvt, siw
- Allow userspace access to IB service records through the rdmacm
- Optimize dma mapping for erdma
- Fix shutdown of the GSI QP in mana
- Support relaxed ordering MR and fix a corruption bug with mlx5 DMA Data
Direct
- Many improvement to bnxt_re:
* Debugging features and counters
* Improve performance of some commands
* Change flow_label reporting in completions
* Mirror vnic
* RDMA flow support
- New RDMA driver for Pensando Ethernet devices: ionic
- Gen 3 hardware support for the Intel irdma driver
- Fix rdma routing resolution with VRFs
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"A new Pensando ionic driver, a new Gen 3 HW support for Intel irdma,
and lots of small bnxt_re improvements.
- Small bug fixes and improves to hfi1, efa, mlx5, erdma, rdmarvt,
siw
- Allow userspace access to IB service records through the rdmacm
- Optimize dma mapping for erdma
- Fix shutdown of the GSI QP in mana
- Support relaxed ordering MR and fix a corruption bug with mlx5 DMA
Data Direct
- Many improvement to bnxt_re:
- Debugging features and counters
- Improve performance of some commands
- Change flow_label reporting in completions
- Mirror vnic
- RDMA flow support
- New RDMA driver for Pensando Ethernet devices: ionic
- Gen 3 hardware support for the Intel irdma driver
- Fix rdma routing resolution with VRFs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (85 commits)
RDMA/ionic: Fix memory leak of admin q_wr
RDMA/siw: Always report immediate post SQ errors
RDMA/bnxt_re: improve clarity in ALLOC_PAGE handler
RDMA/irdma: Remove unused struct irdma_cq fields
RDMA/irdma: Fix positive vs negative error codes in irdma_post_send()
RDMA/bnxt_re: Remove non-statistics counters from hw_counters
RDMA/bnxt_re: Add debugfs info entry for device and resource information
RDMA/bnxt_re: Fix incorrect errno used in function comments
RDMA: Use %pe format specifier for error pointers
RDMA/ionic: Use ether_addr_copy instead of memcpy
RDMA/ionic: Fix build failure on SPARC due to xchg() operand size
RDMA/rxe: Fix race in do_task() when draining
IB/sa: Fix sa_local_svc_timeout_ms read race
IB/ipoib: Ignore L3 master device
RDMA/core: Use route entry flag to decide on loopback traffic
RDMA/core: Resolve MAC of next-hop device without ARP support
RDMA/core: Squash a single user static function
RDMA/irdma: Update Kconfig
RDMA/irdma: Extend CQE Error and Flush Handling for GEN3 Devices
RDMA/irdma: Add Atomic Operations support
...
|
||
|
Linus Torvalds
|
e56ebe27a0 |
iommufd 6.18 merge window pull
Two minor fixes - Make the selftest work again on x86 platforms with iommus enabled - Fix a compiler warning in the userspace kselftest -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRRRCHOFoQz/8F5bUaFwuHvBreFYQUCaN6InwAKCRCFwuHvBreF YXsrAQCu42l0LtnavsGRgF4v5BhE9dx+WqSI41bIq3jqUPOHPgEAn4xpNyNbuDA0 3R31E9C3exWSzsyp1XABfSz13bNklQU= =7ZTd -----END PGP SIGNATURE----- Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd Pull iommufd updates from Jason Gunthorpe: "Two minor fixes: - Make the selftest work again on x86 platforms with iommus enabled - Fix a compiler warning in the userspace kselftest" * tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: iommufd: Register iommufd mock devices with fwspec iommu/selftest: prevent use of uninitialized variable |
||
|
Linus Torvalds
|
8a44189f20 |
fwctl 6.17 merge window rc pull request
- Fix mismtached kvalloc() kfree() on error paths
- Remove NOP dev_err_probe(), shouldn't print on error paths anyhow
- For mlx5 permit:
MLX5_CMD_OP_MODIFY_CONG_STATUS
MLX5_CMD_OP_QUERY_ADJACENT_FUNCTIONS_ID
MLX5_CMD_OP_DELEGATE_VHCA_MANAGEMENT
MLX5_CMD_OP_QUERY_DELEGATED_VHCA
- Use memdup_user in pds
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Merge tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/fwctl/fwctl
Pull fwctl updates from Jason Gunthorpe:
- Fix mismatched kvalloc() kfree() on error paths
- Remove NOP dev_err_probe(), shouldn't print on error paths anyhow
- For mlx5 permit:
MLX5_CMD_OP_MODIFY_CONG_STATUS
MLX5_CMD_OP_QUERY_ADJACENT_FUNCTIONS_ID
MLX5_CMD_OP_DELEGATE_VHCA_MANAGEMENT
MLX5_CMD_OP_QUERY_DELEGATED_VHCA
- Use memdup_user in pds
* tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/fwctl/fwctl:
pds_fwctl: Replace kzalloc + copy_from_user with memdup_user in pdsfc_fw_rpc
fwctl/mlx5: Add Adjacent function query commands and their scope
fwctl/mlx5: Allow MODIFY_CONG_STATUS command
pds_fwctl: Remove the use of dev_err_probe()
fwctl/mlx5: Fix memory alloc/free in mlx5ctl_fw_rpc()
|
||
|
Linus Torvalds
|
bed0653fe2 |
IOMMU Updates for Linux v6.18:
Including:
- Inte VT-d:
- IOMMU driver updated to the latest VT-d specification.
- Don't enable PRS if PDS isn't supported.
- Replace snprintf with scnprintf.
- Fix legacy mode page table dump through debugfs.
- Miscellaneous cleanups.
- AMD-Vi:
- Support kdump boot when SNP is enabled.
- Apple-DART:
- 4-level page-table support.
- RISC-V IOMMU:
- ACPI support.
- Small number of miscellaneous cleanups and fixes.
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Merge tag 'iommu-updates-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
- Inte VT-d:
- IOMMU driver updated to the latest VT-d specification
- Don't enable PRS if PDS isn't supported
- Replace snprintf with scnprintf
- Fix legacy mode page table dump through debugfs
- Miscellaneous cleanups
- AMD-Vi:
- Support kdump boot when SNP is enabled
- Apple-DART:
- 4-level page-table support
- RISC-V IOMMU:
- ACPI support
- Small number of miscellaneous cleanups and fixes
* tag 'iommu-updates-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (22 commits)
iommu/vt-d: Disallow dirty tracking if incoherent page walk
iommu/vt-d: debugfs: Avoid dumping context command register
iommu/vt-d: Removal of Advanced Fault Logging
iommu/vt-d: PRS isn't usable if PDS isn't supported
iommu/vt-d: Remove LPIG from page group response descriptor
iommu/vt-d: Drop unused cap_super_offset()
iommu/vt-d: debugfs: Fix legacy mode page table dump logic
iommu/vt-d: Replace snprintf with scnprintf in dmar_latency_snapshot()
iommu/io-pgtable-dart: Fix off by one error in table index check
iommu/riscv: Add ACPI support
ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id()
ACPI: RISC-V: Add support for RIMT
iommu/omap: Use int type to store negative error codes
iommu/apple-dart: Clear stream error indicator bits for T8110 DARTs
iommu/amd: Skip enabling command/event buffers for kdump
crypto: ccp: Skip SEV and SNP INIT for kdump boot
iommu/amd: Reuse device table for kdump
iommu/amd: Add support to remap/unmap IOMMU buffers for kdump
iommu/apple-dart: Add 4-level page table support
iommu/io-pgtable-dart: Add 4-level page table support
...
|
||
|
Linus Torvalds
|
a498d59c46 |
dma-mapping updates for Linux 6.18:
- refactoring of DMA mapping API to physical addresses as the primary interface instead of page+offset parameters; this gets much closer to Matthew Wilcox's long term wish for struct-pageless IO to cacheable DRAM and is supporting memdesc project which seeks to substantially transform how struct page works; an advantage of this approach is the possibility of introducing DMA_ATTR_MMIO, which covers existing 'dma_map_resource' flow in the common paths, what in turn lets to use recently introduced dma_iova_link() API to map PCI P2P MMIO without creating struct page; developped by Leon Romanovsky and Jason Gunthorpe - minor clean-up by Petr Tesarik and Qianfeng Rong -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSrngzkoBtlA8uaaJ+Jp1EFxbsSRAUCaNugqAAKCRCJp1EFxbsS RBvDAQCEd4P6pz6ROQHf5BfiF5J1db2H6bWsFLjajx3KfNWf8gD+P0eQ0hTzLrcd zuSKZTivviOiyjXlt/9GOaXXPnmTwA0= =b0nZ -----END PGP SIGNATURE----- Merge tag 'dma-mapping-6.18-2025-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux Pull dma-mapping updates from Marek Szyprowski: - Refactoring of DMA mapping API to physical addresses as the primary interface instead of page+offset parameters This gets much closer to Matthew Wilcox's long term wish for struct-pageless IO to cacheable DRAM and is supporting memdesc project which seeks to substantially transform how struct page works. An advantage of this approach is the possibility of introducing DMA_ATTR_MMIO, which covers existing 'dma_map_resource' flow in the common paths, what in turn lets to use recently introduced dma_iova_link() API to map PCI P2P MMIO without creating struct page Developped by Leon Romanovsky and Jason Gunthorpe - Minor clean-up by Petr Tesarik and Qianfeng Rong * tag 'dma-mapping-6.18-2025-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux: kmsan: fix missed kmsan_handle_dma() signature conversion mm/hmm: properly take MMIO path mm/hmm: migrate to physical address-based DMA mapping API dma-mapping: export new dma_*map_phys() interface xen: swiotlb: Open code map_resource callback dma-mapping: implement DMA_ATTR_MMIO for dma_(un)map_page_attrs() kmsan: convert kmsan_handle_dma to use physical addresses dma-mapping: convert dma_direct_*map_page to be phys_addr_t based iommu/dma: implement DMA_ATTR_MMIO for iommu_dma_(un)map_phys() iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys dma-mapping: rename trace_dma_*map_page to trace_dma_*map_phys dma-debug: refactor to use physical addresses for page mapping iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link(). dma-mapping: introduce new DMA attribute to indicate MMIO memory swiotlb: Remove redundant __GFP_NOWARN dma-direct: clean up the logic in __dma_direct_alloc_pages() |
||
|
Linus Torvalds
|
ee2fe81cdc |
It has been a relatively busy cycle in docsland, with changes all over:
- Bring the kernel memory-model docs into the Sphinx build in the "literal
include" mode.
- Lots of build-infrastructure work, further cleaning up long-term
kernel-doc technical debt. The sphinx-pre-install tool has been
converted to Python and updated for current systems.
- A new tool to detect when documents have been moved and generate HTML
redirects; this can be used on kernel.org (or any other site hosting the
rendered docs) to avoid breaking links.
- Automated processing of the YAML files describing the netlink protocol.
- A significant update of the maintainer's PGP guide.
...and a seemingly endless series of typo fixes, build-problem fixes, etc.
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Merge tag 'docs-6.18' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a relatively busy cycle in docsland, with changes all
over:
- Bring the kernel memory-model docs into the Sphinx build in the
"literal include" mode.
- Lots of build-infrastructure work, further cleaning up long-term
kernel-doc technical debt. The sphinx-pre-install tool has been
converted to Python and updated for current systems.
- A new tool to detect when documents have been moved and generate
HTML redirects; this can be used on kernel.org (or any other site
hosting the rendered docs) to avoid breaking links.
- Automated processing of the YAML files describing the netlink
protocol.
- A significant update of the maintainer's PGP guide.
... and a seemingly endless series of typo fixes, build-problem fixes,
etc"
* tag 'docs-6.18' of git://git.lwn.net/linux: (193 commits)
Documentation/features: Update feature lists for 6.17-rc7
docs: remove cdomain.py
Documentation/process: submitting-patches: fix typo in "were do"
docs: dev-tools/lkmm: Fix typo of missing file extension
Documentation: trace: histogram: Convert ftrace docs cross-reference
Documentation: trace: histogram-design: Wrap introductory note in note:: directive
Documentation: trace: historgram-design: Separate sched_waking histogram section heading and the following diagram
Documentation: trace: histogram-design: Trim trailing vertices in diagram explanation text
Documentation: trace: histogram: Fix histogram trigger subsection number order
docs: driver-api: fix spelling of "buses".
Documentation: fbcon: Use admonition directives
Documentation: fbcon: Reindent 8th step of attach/detach/unload
Documentation: fbcon: Add boot options and attach/detach/unload section headings
docs: filesystems: sysfs: add remaining top level sysfs directory descriptions
docs: filesystems: sysfs: clarify symlink destinations in dev and bus/devices descriptions
docs: filesystems: sysfs: remove top level sysfs net directory
docs: maintainer: Fix ambiguous subheading formatting
docs: kdoc: a few more dump_typedef() tweaks
docs: kdoc: remove redundant comment stripping in dump_typedef()
docs: kdoc: remove some dead code in dump_typedef()
...
|
||
|
Linus Torvalds
|
50647a1176 |
file->f_path constification
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-f_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull file->f_path constification from Al Viro:
"Only one thing was modifying ->f_path of an opened file - acct(2).
Massaging that away and constifying a bunch of struct path * arguments
in functions that might be given &file->f_path ends up with the
situation where we can turn ->f_path into an anon union of const
struct path f_path and struct path __f_path, the latter modified only
in a few places in fs/{file_table,open,namei}.c, all for struct file
instances that are yet to be opened"
* tag 'pull-f_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (23 commits)
Have cc(1) catch attempts to modify ->f_path
kernel/acct.c: saner struct file treatment
configfs:get_target() - release path as soon as we grab configfs_item reference
apparmor/af_unix: constify struct path * arguments
ovl_is_real_file: constify realpath argument
ovl_sync_file(): constify path argument
ovl_lower_dir(): constify path argument
ovl_get_verity_digest(): constify path argument
ovl_validate_verity(): constify {meta,data}path arguments
ovl_ensure_verity_loaded(): constify datapath argument
ksmbd_vfs_set_init_posix_acl(): constify path argument
ksmbd_vfs_inherit_posix_acl(): constify path argument
ksmbd_vfs_kern_path_unlock(): constify path argument
ksmbd_vfs_path_lookup_locked(): root_share_path can be const struct path *
check_export(): constify path argument
export_operations->open(): constify path argument
rqst_exp_get_by_name(): constify path argument
nfs: constify path argument of __vfs_getattr()
bpf...d_path(): constify path argument
done_path_create(): constify path argument
...
|
||
|
Linus Torvalds
|
070a542f08 |
NFS Client Updates for Linux 6.18
New Features:
* Add a Kconfig option to redirect dfprintk() to the trace buffer
* Enable use of the RWF_DONTCACHE flag on the NFS client
* Add striped layout handling to pNFS flexfiles
* Add proper localio handling for READ and WRITE O_DIRECT
Bugfixes:
* Handle NFS4ERR_GRACE errors during delegation recall
* Fix NFSv4.1 backchannel max_resp_sz verification check
* Fix mount hang after CREATE_SESSION failure
* Fix d_parent->d_inode locking in nfs4_setup_readdir()
Other Cleanups and Improvements:
* Improvements to write handling tracepoints
* Fix a few trivial spelling mistakes
* Cleanups to the rpcbind cleanup call sites
* Convert the SUNRPC xdr_buf to use a scratch folio instead of scratch page
* Remove unused NFS_WBACK_BUSY() macro
* Remove __GFP_NOWARN flags
* Unexport rpc_malloc() and rpc_free()
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Merge tag 'nfs-for-6.18-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"New Features:
- Add a Kconfig option to redirect dfprintk() to the trace buffer
- Enable use of the RWF_DONTCACHE flag on the NFS client
- Add striped layout handling to pNFS flexfiles
- Add proper localio handling for READ and WRITE O_DIRECT
Bugfixes:
- Handle NFS4ERR_GRACE errors during delegation recall
- Fix NFSv4.1 backchannel max_resp_sz verification check
- Fix mount hang after CREATE_SESSION failure
- Fix d_parent->d_inode locking in nfs4_setup_readdir()
Other Cleanups and Improvements:
- Improvements to write handling tracepoints
- Fix a few trivial spelling mistakes
- Cleanups to the rpcbind cleanup call sites
- Convert the SUNRPC xdr_buf to use a scratch folio instead of
scratch page
- Remove unused NFS_WBACK_BUSY() macro
- Remove __GFP_NOWARN flags
- Unexport rpc_malloc() and rpc_free()"
* tag 'nfs-for-6.18-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (46 commits)
NFS: add basic STATX_DIOALIGN and STATX_DIO_READ_ALIGN support
nfs/localio: add tracepoints for misaligned DIO READ and WRITE support
nfs/localio: add proper O_DIRECT support for READ and WRITE
nfs/localio: refactor iocb initialization
nfs/localio: refactor iocb and iov_iter_bvec initialization
nfs/localio: avoid issuing misaligned IO using O_DIRECT
nfs/localio: make trace_nfs_local_open_fh more useful
NFSD: filecache: add STATX_DIOALIGN and STATX_DIO_READ_ALIGN support
sunrpc: unexport rpc_malloc() and rpc_free()
NFSv4/flexfiles: Add support for striped layouts
NFSv4/flexfiles: Update layout stats & error paths for striped layouts
NFSv4/flexfiles: Write path updates for striped layouts
NFSv4/flexfiles: Commit path updates for striped layouts
NFSv4/flexfiles: Read path updates for striped layouts
NFSv4/flexfiles: Update low level helper functions to be DS stripe aware.
NFSv4/flexfiles: Add data structure support for striped layouts
NFSv4/flexfiles: Use ds_commit_idx when marking a write commit
NFSv4/flexfiles: Remove cred local variable dependency
nfs4_setup_readdir(): insufficient locking for ->d_parent->d_inode dereferencing
NFS: Enable use of the RWF_DONTCACHE flag on the NFS client
...
|
||
|
Linus Torvalds
|
63e62baaa7 |
16 smb3 client fixes
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||
|
Linus Torvalds
|
b3fee71e66 |
nine ksmbd server fixes
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||
|
Linus Torvalds
|
86d563ac5f |
f2fs-for-6.18-rc1
This release focuses on two primary updates for Android devices. First, it sets
hash-based file name lookup as the default method to improve performance, while
retaining an option to fall back to a linear lookup. Second, it resolves a
persistent issue with the checkpoint=enable feature. The update further boosts
performance by prefetching node blocks, merging FUA writes more efficiently, and
optimizing block allocation policies.
The release is rounded out by a comprehensive set of bug fixes that address
memory safety, data integrity, and potential system hangs, along with minor
documentation and code clean-ups.
Enhancement:
- add mount option and sysfs entry to tune the lookup mode
- dump more information and add a timeout when enabling/disabling checkpoints
- readahead node blocks in F2FS_GET_BLOCK_PRECACHE mode
- merge FUA command with the existing writes
- allocate HOT_DATA for IPU writes
- Use allocate_section_policy to control write priority in multi-devices setups
- add reserved nodes for privileged users
- Add bggc_io_aware to adjust the priority of BG_GC when issuing IO
- show the list of donation files
Bug fix:
- add missing dput() when printing the donation list
- fix UAF issue in f2fs_merge_page_bio()
- add sanity check on ei.len in __update_extent_tree_range()
- fix infinite loop in __insert_extent_tree()
- fix zero-sized extent for precache extents
- fix to mitigate overhead of f2fs_zero_post_eof_page()
- fix to avoid migrating empty section
- fix to truncate first page in error path of f2fs_truncate()
- fix to update map->m_next_extent correctly in f2fs_map_blocks()
- fix wrong layout information on 16KB page
- fix to do sanity check on node footer for non inode dnode
- fix to avoid NULL pointer dereference in f2fs_check_quota_consistency()
- fix to detect potential corrupted nid in free_nid_list
- fix to clear unusable_cap for checkpoint=enable
- fix to zero data after EOF for compressed file correctly
- fix to avoid overflow while left shift operation
- fix condition in __allow_reserved_blocks()
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Merge tag 'f2fs-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"This focuses on two primary updates for Android devices.
First, it sets hash-based file name lookup as the default method to
improve performance, while retaining an option to fall back to a
linear lookup.
Second, it resolves a persistent issue with the 'checkpoint=enable'
feature.
The update further boosts performance by prefetching node blocks,
merging FUA writes more efficiently, and optimizing block allocation
policies.
The release is rounded out by a comprehensive set of bug fixes that
address memory safety, data integrity, and potential system hangs,
along with minor documentation and code clean-ups.
Enhancements:
- add mount option and sysfs entry to tune the lookup mode
- dump more information and add a timeout when enabling/disabling
checkpoints
- readahead node blocks in F2FS_GET_BLOCK_PRECACHE mode
- merge FUA command with the existing writes
- allocate HOT_DATA for IPU writes
- Use allocate_section_policy to control write priority in
multi-devices setups
- add reserved nodes for privileged users
- Add bggc_io_aware to adjust the priority of BG_GC when issuing IO
- show the list of donation files
Bug fixes:
- add missing dput() when printing the donation list
- fix UAF issue in f2fs_merge_page_bio()
- add sanity check on ei.len in __update_extent_tree_range()
- fix infinite loop in __insert_extent_tree()
- fix zero-sized extent for precache extents
- fix to mitigate overhead of f2fs_zero_post_eof_page()
- fix to avoid migrating empty section
- fix to truncate first page in error path of f2fs_truncate()
- fix to update map->m_next_extent correctly in f2fs_map_blocks()
- fix wrong layout information on 16KB page
- fix to do sanity check on node footer for non inode dnode
- fix to avoid NULL pointer dereference in
f2fs_check_quota_consistency()
- fix to detect potential corrupted nid in free_nid_list
- fix to clear unusable_cap for checkpoint=enable
- fix to zero data after EOF for compressed file correctly
- fix to avoid overflow while left shift operation
- fix condition in __allow_reserved_blocks()"
* tag 'f2fs-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (43 commits)
f2fs: add missing dput() when printing the donation list
f2fs: fix UAF issue in f2fs_merge_page_bio()
f2fs: readahead node blocks in F2FS_GET_BLOCK_PRECACHE mode
f2fs: add sanity check on ei.len in __update_extent_tree_range()
f2fs: fix infinite loop in __insert_extent_tree()
f2fs: fix zero-sized extent for precache extents
f2fs: fix to mitigate overhead of f2fs_zero_post_eof_page()
f2fs: fix to avoid migrating empty section
f2fs: fix to truncate first page in error path of f2fs_truncate()
f2fs: fix to update map->m_next_extent correctly in f2fs_map_blocks()
f2fs: fix wrong layout information on 16KB page
f2fs: clean up error handing of f2fs_submit_page_read()
f2fs: avoid unnecessary folio_clear_uptodate() for cleanup
f2fs: merge FUA command with the existing writes
f2fs: allocate HOT_DATA for IPU writes
f2fs: Use allocate_section_policy to control write priority in multi-devices setups
Documentation: f2fs: Reword title
Documentation: f2fs: Indent compression_mode option list
Documentation: f2fs: Wrap snippets in literal code blocks
Documentation: f2fs: Span write hint table section rows
...
|
||
|
Linus Torvalds
|
f0712c2038 |
Description for this pull request:
- Add support for FS_IOC_{GET,SET}FSLABEL ioctl.
- Two small clean-up patches.
- Optimizes allocation bitmap loading time on large partitions
with small cluster sizes.
- Allow changes for discard, zero_size_dir, and errors options
via remount.
- Validate that the clusters used for the allocation bitmap are
correctly marked as in-use during mount, preventing potential
data corruption from reallocating the bitmap's own space.
- Uses ratelimit to avoid too many error prints on I/O error path.
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Merge tag 'exfat-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Add support for FS_IOC_{GET,SET}FSLABEL ioctl
- Two small clean-up patches
- Optimizes allocation bitmap loading time on large partitions with
small cluster sizes
- Allow changes for discard, zero_size_dir, and errors options via
remount
- Validate that the clusters used for the allocation bitmap are
correctly marked as in-use during mount, preventing potential data
corruption from reallocating the bitmap's own space
- Uses ratelimit to avoid too many error prints on I/O error path
* tag 'exfat-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: Add support for FS_IOC_{GET,SET}FSLABEL
exfat: combine iocharset and utf8 option setup
exfat: support modifying mount options via remount
exfat: optimize allocation bitmap loading time
exfat: Remove unnecessary parentheses
exfat: drop redundant conversion to bool
exfat: validate cluster allocation bits of the allocation bitmap
exfat: limit log print for IO error
|
||
|
Linus Torvalds
|
f2327dc851 |
orangefs: Two cleanups and a bug fix.
Remove unused type in macro fill_default_sys_attrs
Zhen Ni <zhen.ni@easystack.cn>
Replace kzalloc + copy_from_user with memdup_user_nul
Thorsten Blum <thorsten.blum@linux.dev>
fix xattr related buffer overflow...
A message was forwarded to me from Disclosure <disclosure@aisle.com>
indicating a problem with a loop condition in our xattr code. When I
fixed the problem it exposed a related memory leak problem, and I
fixed that too.
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Merge tag 'for-linus-6.18-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs updates from Mike Marshall:
"Two cleanups and a bug fix:
- Remove unused type in macro fill_default_sys_attrs (Zhen Ni)
- Replace kzalloc + copy_from_user with memdup_user_nul (Thorsten Blum)
- Fix xattr related buffer overflow...
A message was forwarded to me from Disclosure <disclosure@aisle.com>
indicating a problem with a loop condition in our xattr code. When
I fixed the problem it exposed a related memory leak problem, and I
fixed that too"
* tag 'for-linus-6.18-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
fs/orangefs: Replace kzalloc + copy_from_user with memdup_user_nul
orangefs: fix xattr related buffer overflow...
orangefs: Remove unused type in macro fill_default_sys_attrs
|
||
|
Linus Torvalds
|
a9b38767c6 |
Changes for 6.18-rc1
Added:
support for FS_IOC_{GET,SET}FSLABEL ioctl
reject index allocation if $BITMAP is empty but blocks exist
Fixed:
integer overflow in run_unpack()
resource leak bug in wnd_extend()
Changed:
pretend $Extend records as regular files
stop using write_cache_pages
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Merge tag 'ntfs3_for_6.18' of https://github.com/Paragon-Software-Group/linux-ntfs3
Pull ntfs3 updates from Konstantin Komarov:
"Added:
- support for FS_IOC_{GET,SET}FSLABEL ioctl
- reject index allocation if $BITMAP is empty but blocks exist
Fixed:
- integer overflow in run_unpack()
- resource leak bug in wnd_extend()
Changed:
- pretend $Extend records as regular files
- stop using write_cache_pages"
* tag 'ntfs3_for_6.18' of https://github.com/Paragon-Software-Group/linux-ntfs3:
ntfs3: stop using write_cache_pages
fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist
fs/ntfs3: Fix a resource leak bug in wnd_extend()
fs: ntfs3: Fix integer overflow in run_unpack()
ntfs3: pretend $Extend records as regular files
ntfs3: add FS_IOC_SETFSLABEL ioctl
ntfs3: add FS_IOC_GETFSLABEL ioctl
ntfs3: transition magic number to shared constant
|
||
|
Linus Torvalds
|
5cb08b62fb |
A few fixes and cleanups for JFS.
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||
|
Linus Torvalds
|
65989db7f8 |
New ext4 features:
* Add support so tune2fs can modify/update the superblock using an
ioctl, without needing write access to the block device.
* Add support for 32-bit reserved uid's and gid's.
Bug fixes:
* Fix potential warnings and other failures caused by corrupted / fuzzed
file systems.
* Fail unaligned direct I/O write with EINVAL instead of silently
falling back to buffered I/O
* Correectly handle fsmap queries for metadata mappings
* Avoid journal stalls caused by writeback throttling
* Add some missing GFP_NOFAIL flags to avoid potential deadlocks
under extremem memory pressure
Cleanups:
* Remove obsolete EXT3 Kconfigs
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Merge tag 'ext4_for_linus-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"New ext4 features:
- Add support so tune2fs can modify/update the superblock using an
ioctl, without needing write access to the block device
- Add support for 32-bit reserved uid's and gid's
Bug fixes:
- Fix potential warnings and other failures caused by corrupted /
fuzzed file systems
- Fail unaligned direct I/O write with EINVAL instead of silently
falling back to buffered I/O
- Correectly handle fsmap queries for metadata mappings
- Avoid journal stalls caused by writeback throttling
- Add some missing GFP_NOFAIL flags to avoid potential deadlocks
under extremem memory pressure
Cleanups:
- Remove obsolete EXT3 Kconfigs"
* tag 'ext4_for_linus-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix checks for orphan inodes
ext4: validate ea_ino and size in check_xattrs
ext4: guard against EA inode refcount underflow in xattr update
ext4: implemet new ioctls to set and get superblock parameters
ext4: add support for 32-bit default reserved uid and gid values
ext4: avoid potential buffer over-read in parse_apply_sb_mount_options()
ext4: fix an off-by-one issue during moving extents
ext4: increase i_disksize to offset + len in ext4_update_disksize_before_punch()
ext4: verify orphan file size is not too big
ext4: fail unaligned direct IO write with EINVAL
ext4: correctly handle queries for metadata mappings
ext4: increase IO priority of fastcommit
ext4: remove obsolete EXT3 config options
jbd2: increase IO priority of checkpoint
ext4: fix potential null deref in ext4_mb_init()
ext4: add ext4_sb_bread_nofail() helper function for ext4_free_branches()
ext4: replace min/max nesting with clamp()
fs: ext4: change GFP_KERNEL to GFP_NOFS to avoid deadlock
|
||
|
Linus Torvalds
|
a4eb935648 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmjdD7MACgkQnJ2qBz9k QNl/rwf/ZpxWYEbZoMMrtoE+PTvlp7ato01oqPYeiX3ZJeHErkQVYtTL4RiV/12Q NrlZkc8PO9LWk+SqbKoylwo9XtpqT5UDPsmtudPZoJ0olxybJjHS4oTWsj5jBlZH IAqgo99rOa+O1o6G2HozUxVu+0L4Z50EkfL27zGNaunkaWh4YnjFkBMgyiVB5Vvh RSEMCN4YvkISyaVD/xa5fEDQ5KCCdVmUV6lLnZvfwXISNqEkgHz1kD3KwAfb3b7b iPm0NeQ20KOWcDkK3VyjYsFbvF29nQCTfiHv68zBfoEu7hrG0pC3x7/Bqem4uIo6 TO5VgrqpohGk7O28Zu7LyxqmvPuwHw== =SWRE -----END PGP SIGNATURE----- Merge tag 'fs_for_v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull udf and quota updates from Jan Kara: "A fix for UDF and quota" * tag 'fs_for_v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fs: udf: fix OOB read in lengthAllocDescs handling fs: quota: create dedicated workqueue for quota_release_work |
||
|
Linus Torvalds
|
67f5f11cdf |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmjdDqAACgkQnJ2qBz9k QNmivQf+JFxnxjW1qYfIsQjuQlFDqOH0RYsnhBFTS1oqGKqbbDYEaNsGft3zbhLW 0VbWjUDvO9nRvIFi7SWzNtONuGhwnNEjZBD+q3zrtssNKbk/px/s1Hjexp1P5xl5 pUrqrlDaC3n25pqJygTMIb4DjPAY8kAIrKA2EEtqTTpbDdeHe+gvOtOjhTIkqVza DA85iq9Ytm3PpqDKPLLwUNkCEsfabpxESuXGz4hvoZu72YffKkNZDRfEnkCu3CW9 RniQZvDugw6SKBuqoqGumk6vaxqHgqBZV3Y4Tdi7+hjeZo9NI9KmDmaNL5sDm3pe StTEIa/YIZQiJGIQfTPOTlOT7jAybw== =/Dff -----END PGP SIGNATURE----- Merge tag 'fsnotify_for_v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fsnotify updates from Jan Kara: - a couple of small cleanups and fixes - implement fanotify watchdog that reports processes that fail to respond to fanotify permission events in a given time * tag 'fsnotify_for_v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fanotify: add watchdog for permission events fanotify: Validate the return value of mnt_ns_from_dentry() before dereferencing fsnotify: fix "rewriten"->"rewritten" |
||
|
Linus Torvalds
|
2c1ef408c2 |
configfs changes for v6.18
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||
|
Linus Torvalds
|
6238729bfc |
fuse update for 6.18
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCaNuYpQAKCRDh3BK/laaZ PBF6APoDWzheST2Gw3LPkU03xF6Yn+ZMP0p3L676yYBb07LrWQD8CBsfOkMei6W/ L+/GaVAbpIsuCQ6GTPE/6HTLWevU2Q0= =kR5v -----END PGP SIGNATURE----- Merge tag 'fuse-update-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: - Extend copy_file_range interface to be fully 64bit capable (Miklos) - Add selftest for fusectl (Chen Linxuan) - Move fuse docs into a separate directory (Bagas Sanjaya) - Allow fuse to enter freezable state in some cases (Sergey Senozhatsky) - Clean up writeback accounting after removing tmp page copies (Joanne) - Optimize virtiofs request handling (Li RongQing) - Add synchronous FUSE_INIT support (Miklos) - Allow server to request prune of unused inodes (Miklos) - Fix deadlock with AIO/sync release (Darrick) - Add some prep patches for block/iomap support (Darrick) - Misc fixes and cleanups * tag 'fuse-update-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (26 commits) fuse: move CREATE_TRACE_POINTS to a separate file fuse: move the backing file idr and code into a new source file fuse: enable FUSE_SYNCFS for all fuseblk servers fuse: capture the unique id of fuse commands being sent fuse: fix livelock in synchronous file put from fuseblk workers mm: fix lockdep issues in writeback handling fuse: add prune notification fuse: remove redundant calls to fuse_copy_finish() in fuse_notify() fuse: fix possibly missing fuse_copy_finish() call in fuse_notify() fuse: remove FUSE_NOTIFY_CODE_MAX from <uapi/linux/fuse.h> fuse: remove fuse_readpages_end() null mapping check fuse: fix references to fuse.rst -> fuse/fuse.rst fuse: allow synchronous FUSE_INIT fuse: zero initialize inode private data fuse: remove unused 'inode' parameter in fuse_passthrough_open virtio_fs: fix the hash table using in virtio_fs_enqueue_req() mm: remove BDI_CAP_WRITEBACK_ACCT fuse: use default writeback accounting virtio_fs: Remove redundant spinlock in virtio_fs_request_complete() fuse: remove unneeded offset assignment when filling write pages ... |
||
|
Linus Torvalds
|
cf06d791f8 |
overlayfs updates for 6.18
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||
|
Linus Torvalds
|
9b0d551bcc |
assorted dead code removal around asm/pgtable.h
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQqUNBr3gm4hGXdBJlZ7Krx/gZQ6wUCaNh9cwAKCRBZ7Krx/gZQ 68SbAP9aRaNQf4whe9uxuR+FPbo8AM2rSKEj39w47bNl+FJhsAD8CQWm3D6cQhXM 1ecJI51uGBeBB4vaq+/7qT+j64Nxhwc= =7abW -----END PGP SIGNATURE----- Merge tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull misc non-vfs updates from Al Viro: "Assorted dead code removal around asm/pgtable.h" * tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: alpha: unobfuscate _PAGE_P() definition kill FIRST_USER_PGD_NR alpha: get rid of the remnants of BAD_PAGE and friends SET_PAGE_DIR() users had been gone since 2.3.12pre1 PAGE_PTR() had been last used outside of arch/* in 1.1.94 csky: remove BS check for FAULT_FLAG_ALLOW_RETRY |
||
|
Linus Torvalds
|
33fc69a05c |
Simplifying ->d_name audits, easy part.
Turn dentry->d_name into an anon union of const struct qsrt (d_name
itself) and a writable alias (__d_name). With constification of some
struct qstr * arguments of functions that get &dentry->d_name passed
to them, that ends up with all modifications provably done only in
fs/dcache.c (and a fairly small part of it).
Any new places doing modifications will be easy to find - grep for
__d_name will suffice.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull d_name audit update from Al Viro:
"Simplifying ->d_name audits, easy part.
Turn dentry->d_name into an anon union of const struct qsrt (d_name
itself) and a writable alias (__d_name).
With constification of some struct qstr * arguments of functions that
get &dentry->d_name passed to them, that ends up with all
modifications provably done only in fs/dcache.c (and a fairly small
part of it).
Any new places doing modifications will be easy to find - grep for
__d_name will suffice"
* tag 'pull-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
make it easier to catch those who try to modify ->d_name
generic_ci_validate_strict_name(): constify name argument
afs_dir_search: constify qstr argument
afs_edit_dir_{add,remove}(): constify qstr argument
exfat_find(): constify qstr argument
security_dentry_init_security(): constify qstr argument
|
||
|
Linus Torvalds
|
829745b75a |
finish_no_open calling conventions change
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQqUNBr3gm4hGXdBJlZ7Krx/gZQ6wUCaNh82wAKCRBZ7Krx/gZQ 67qmAP9l34sMvmagYDve+C+BtndI5FO2N8vHCB0VuWpgDvM7XgD/Zy4Iuup0fePh paGQgpwjYQ7/ghc4KjOUAw4EpfJ+SAE= =cjj2 -----END PGP SIGNATURE----- Merge tag 'pull-finish_no_open' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull finish_no_open updates from Al Viro: "finish_no_open calling conventions change to simplify callers" * tag 'pull-finish_no_open' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: slightly simplify nfs_atomic_open() simplify gfs2_atomic_open() simplify fuse_atomic_open() simplify nfs_atomic_open_v23() simplify vboxsf_dir_atomic_open() simplify cifs_atomic_open() 9p: simplify v9fs_vfs_atomic_open_dotl() 9p: simplify v9fs_vfs_atomic_open() allow finish_no_open(file, ERR_PTR(-E...)) |
||
|
Linus Torvalds
|
867e4513fe |
nfsctl cleanups and a fix
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-nfsctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull nfsctl updates from Al Viro:
"nfsctl cleanups and a fix"
* tag 'pull-nfsctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
nfsd_get_inode(): lift setting ->i_{,f}op to callers.
nfsdfs_create_files(): switch to simple_start_creating()
_nfsd_symlink(): switch to simple_start_creating()
nfsd_mkdir(): switch to simple_start_creating()
nfsctl: symlink has no business bumping link count of parent directory
|
||
|
Linus Torvalds
|
51e9889ab1 |
vfs_parse_fs_string() stuff
change on vfs_parse_fs_string() calling conventions - get rid of the length argument (almost all callers pass strlen() of the string argument there), add vfs_parse_fs_qstr() for the cases that do want separate length Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQqUNBr3gm4hGXdBJlZ7Krx/gZQ6wUCaNhllQAKCRBZ7Krx/gZQ 6wyiAP9TmyFLBWKC/sDNtRAiGRybEtcwvVZj1agpx0kZIWshUwD7BVg4AfDs+vN3 RoYYg9DR1SP5kZF7h2Ve1T39XDq6ZQU= =YZFG -----END PGP SIGNATURE----- Merge tag 'pull-fs_context' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull fs_context updates from Al Viro: "Change vfs_parse_fs_string() calling conventions Get rid of the length argument (almost all callers pass strlen() of the string argument there), add vfs_parse_fs_qstr() for the cases that do want separate length" * tag 'pull-fs_context' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: do_nfs4_mount(): switch to vfs_parse_fs_string() change the calling conventions for vfs_parse_fs_string() |
||
|
Linus Torvalds
|
e64aeecbbb |
mount-related stuff for this cycle
* saner handling of guards in fs/namespace.c, getting
rid of needlessly strong locking in some of the users.
* lock_mount() calling conventions change - have it set
the environment for attaching to given location, storing the
results in caller-supplied object, without altering the passed
struct path. Make unlock_mount() called as __cleanup for those
objects. It's not exactly guard(), but similar to it.
* MNT_WRITE_HOLD done right - mnt_hold_writers() does *not*
mess with ->mnt_flags anymore, so insertion of a new mount into
->s_mounts of underlying superblock does not, in itself, expose
->mnt_flags of that mount to concurrent modifications.
* getting rid of pathological cases when umount() spends
quadratic time removing the victims from propagation graph -
part of that had been dealt with last cycle, this should finish
it.
* a bunch of stuff constified.
* assorted cleanups.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs mount updates from Al Viro:
"Several piles this cycle, this mount-related one being the largest and
trickiest:
- saner handling of guards in fs/namespace.c, getting rid of
needlessly strong locking in some of the users
- lock_mount() calling conventions change - have it set the
environment for attaching to given location, storing the results in
caller-supplied object, without altering the passed struct path.
Make unlock_mount() called as __cleanup for those objects. It's not
exactly guard(), but similar to it
- MNT_WRITE_HOLD done right.
mnt_hold_writers() does *not* mess with ->mnt_flags anymore, so
insertion of a new mount into ->s_mounts of underlying superblock
does not, in itself, expose ->mnt_flags of that mount to concurrent
modifications
- getting rid of pathological cases when umount() spends quadratic
time removing the victims from propagation graph - part of that had
been dealt with last cycle, this should finish it
- a bunch of stuff constified
- assorted cleanups
* tag 'pull-mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits)
constify {__,}mnt_is_readonly()
WRITE_HOLD machinery: no need for to bump mount_lock seqcount
struct mount: relocate MNT_WRITE_HOLD bit
preparations to taking MNT_WRITE_HOLD out of ->mnt_flags
setup_mnt(): primitive for connecting a mount to filesystem
simplify the callers of mnt_unhold_writers()
copy_mnt_ns(): use guards
copy_mnt_ns(): use the regular mechanism for freeing empty mnt_ns on failure
open_detached_copy(): separate creation of namespace into helper
open_detached_copy(): don't bother with mount_lock_hash()
path_has_submounts(): use guard(mount_locked_reader)
fs/namespace.c: sanitize descriptions for {__,}lookup_mnt()
ecryptfs: get rid of pointless mount references in ecryptfs dentries
umount_tree(): take all victims out of propagation graph at once
do_mount(): use __free(path_put)
do_move_mount_old(): use __free(path_put)
constify can_move_mount_beneath() arguments
path_umount(): constify struct path argument
may_copy_tree(), __do_loopback(): constify struct path argument
path_mount(): constify struct path argument
...
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Jaegeuk Kim
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4e715744bf |
f2fs: add missing dput() when printing the donation list
We missed to call dput() on the grabbed dentry.
Fixes:
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Linus Torvalds
|
e406d57be7 |
Patch series in this pull request:
- The 3 patch series "ida: Remove the ida_simple_xxx() API" from Christophe Jaillet completes the removal of this legacy IDR API. - The 9 patch series "panic: introduce panic status function family" from Jinchao Wang provides a number of cleanups to the panic code and its various helpers, which were rather ad-hoc and scattered all over the place. - The 5 patch series "tools/delaytop: implement real-time keyboard interaction support" from Fan Yu adds a few nice user-facing usability changes to the delaytop monitoring tool. - The 3 patch series "efi: Fix EFI boot with kexec handover (KHO)" from Evangelos Petrongonas fixes a panic which was happening with the combination of EFI and KHO. - The 2 patch series "Squashfs: performance improvement and a sanity check" from Phillip Lougher teaches squashfs's lseek() about SEEK_DATA/SEEK_HOLE. A mere 150x speedup was measured for a well-chosen microbenchmark. - Plus another 50-odd singleton patches all over the place. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCaN78zwAKCRDdBJ7gKXxA jhLeAQCddTv0XtSUTrvBvmrJVUBrQQeJc+LtNopMIjfAF/WAWAEAogSVKxg+HHEB GaVixx4zDriNzEqrqiCx9rm4l+YooQA= =XRe0 -----END PGP SIGNATURE----- Merge tag 'mm-nonmm-stable-2025-10-02-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-MM updates from Andrew Morton: - "ida: Remove the ida_simple_xxx() API" from Christophe Jaillet completes the removal of this legacy IDR API - "panic: introduce panic status function family" from Jinchao Wang provides a number of cleanups to the panic code and its various helpers, which were rather ad-hoc and scattered all over the place - "tools/delaytop: implement real-time keyboard interaction support" from Fan Yu adds a few nice user-facing usability changes to the delaytop monitoring tool - "efi: Fix EFI boot with kexec handover (KHO)" from Evangelos Petrongonas fixes a panic which was happening with the combination of EFI and KHO - "Squashfs: performance improvement and a sanity check" from Phillip Lougher teaches squashfs's lseek() about SEEK_DATA/SEEK_HOLE. A mere 150x speedup was measured for a well-chosen microbenchmark - plus another 50-odd singleton patches all over the place * tag 'mm-nonmm-stable-2025-10-02-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (75 commits) Squashfs: reject negative file sizes in squashfs_read_inode() kallsyms: use kmalloc_array() instead of kmalloc() MAINTAINERS: update Sibi Sankar's email address Squashfs: add SEEK_DATA/SEEK_HOLE support Squashfs: add additional inode sanity checking lib/genalloc: fix device leak in of_gen_pool_get() panic: remove CONFIG_PANIC_ON_OOPS_VALUE ocfs2: fix double free in user_cluster_connect() checkpatch: suppress strscpy warnings for userspace tools cramfs: fix incorrect physical page address calculation kernel: prevent prctl(PR_SET_PDEATHSIG) from racing with parent process exit Squashfs: fix uninit-value in squashfs_get_parent kho: only fill kimage if KHO is finalized ocfs2: avoid extra calls to strlen() after ocfs2_sprintf_system_inode_name() kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths sched/task.h: fix the wrong comment on task_lock() nesting with tasklist_lock coccinelle: platform_no_drv_owner: handle also built-in drivers coccinelle: of_table: handle SPI device ID tables lib/decompress: use designated initializers for struct compress_format efi: support booting with kexec handover (KHO) ... |
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Linus Torvalds
|
8804d970fa |
Summary of significant series in this pull request:
- The 3 patch series "mm, swap: improve cluster scan strategy" from Kairui Song improves performance and reduces the failure rate of swap cluster allocation. - The 4 patch series "support large align and nid in Rust allocators" from Vitaly Wool permits Rust allocators to set NUMA node and large alignment when perforning slub and vmalloc reallocs. - The 2 patch series "mm/damon/vaddr: support stat-purpose DAMOS" from Yueyang Pan extend DAMOS_STAT's handling of the DAMON operations sets for virtual address spaces for ops-level DAMOS filters. - The 3 patch series "execute PROCMAP_QUERY ioctl under per-vma lock" from Suren Baghdasaryan reduces mmap_lock contention during reads of /proc/pid/maps. - The 2 patch series "mm/mincore: minor clean up for swap cache checking" from Kairui Song performs some cleanup in the swap code. - The 11 patch series "mm: vm_normal_page*() improvements" from David Hildenbrand provides code cleanup in the pagemap code. - The 5 patch series "add persistent huge zero folio support" from Pankaj Raghav provides a block layer speedup by optionalls making the huge_zero_pagepersistent, instead of releasing it when its refcount falls to zero. - The 3 patch series "kho: fixes and cleanups" from Mike Rapoport adds a few touchups to the recently added Kexec Handover feature. - The 10 patch series "mm: make mm->flags a bitmap and 64-bit on all arches" from Lorenzo Stoakes turns mm_struct.flags into a bitmap. To end the constant struggle with space shortage on 32-bit conflicting with 64-bit's needs. - The 2 patch series "mm/swapfile.c and swap.h cleanup" from Chris Li cleans up some swap code. - The 7 patch series "selftests/mm: Fix false positives and skip unsupported tests" from Donet Tom fixes a few things in our selftests code. - The 7 patch series "prctl: extend PR_SET_THP_DISABLE to only provide THPs when advised" from David Hildenbrand "allows individual processes to opt-out of THP=always into THP=madvise, without affecting other workloads on the system". It's a long story - the [1/N] changelog spells out the considerations. - The 11 patch series "Add and use memdesc_flags_t" from Matthew Wilcox gets us started on the memdesc project. Please see https://kernelnewbies.org/MatthewWilcox/Memdescs and https://blogs.oracle.com/linux/post/introducing-memdesc. - The 3 patch series "Tiny optimization for large read operations" from Chi Zhiling improves the efficiency of the pagecache read path. - The 5 patch series "Better split_huge_page_test result check" from Zi Yan improves our folio splitting selftest code. - The 2 patch series "test that rmap behaves as expected" from Wei Yang adds some rmap selftests. - The 3 patch series "remove write_cache_pages()" from Christoph Hellwig removes that function and converts its two remaining callers. - The 2 patch series "selftests/mm: uffd-stress fixes" from Dev Jain fixes some UFFD selftests issues. - The 3 patch series "introduce kernel file mapped folios" from Boris Burkov introduces the concept of "kernel file pages". Using these permits btrfs to account its metadata pages to the root cgroup, rather than to the cgroups of random inappropriate tasks. - The 2 patch series "mm/pageblock: improve readability of some pageblock handling" from Wei Yang provides some readability improvements to the page allocator code. - The 11 patch series "mm/damon: support ARM32 with LPAE" from SeongJae Park teaches DAMON to understand arm32 highmem. - The 4 patch series "tools: testing: Use existing atomic.h for vma/maple tests" from Brendan Jackman performs some code cleanups and deduplication under tools/testing/. - The 2 patch series "maple_tree: Fix testing for 32bit compiles" from Liam Howlett fixes a couple of 32-bit issues in tools/testing/radix-tree.c. - The 2 patch series "kasan: unify kasan_enabled() and remove arch-specific implementations" from Sabyrzhan Tasbolatov moves KASAN arch-specific initialization code into a common arch-neutral implementation. - The 3 patch series "mm: remove zpool" from Johannes Weiner removes zspool - an indirection layer which now only redirects to a single thing (zsmalloc). - The 2 patch series "mm: task_stack: Stack handling cleanups" from Pasha Tatashin makes a couple of cleanups in the fork code. - The 37 patch series "mm: remove nth_page()" from David Hildenbrand makes rather a lot of adjustments at various nth_page() callsites, eventually permitting the removal of that undesirable helper function. - The 2 patch series "introduce kasan.write_only option in hw-tags" from Yeoreum Yun creates a KASAN read-only mode for ARM, using that architecture's memory tagging feature. It is felt that a read-only mode KASAN is suitable for use in production systems rather than debug-only. - The 3 patch series "mm: hugetlb: cleanup hugetlb folio allocation" from Kefeng Wang does some tidying in the hugetlb folio allocation code. - The 12 patch series "mm: establish const-correctness for pointer parameters" from Max Kellermann makes quite a number of the MM API functions more accurate about the constness of their arguments. This was getting in the way of subsystems (in this case CEPH) when they attempt to improving their own const/non-const accuracy. - The 7 patch series "Cleanup free_pages() misuse" from Vishal Moola fixes a number of code sites which were confused over when to use free_pages() vs __free_pages(). - The 3 patch series "Add Rust abstraction for Maple Trees" from Alice Ryhl makes the mapletree code accessible to Rust. Required by nouveau and by its forthcoming successor: the new Rust Nova driver. - The 2 patch series "selftests/mm: split_huge_page_test: split_pte_mapped_thp improvements" from David Hildenbrand adds a fix and some cleanups to the thp selftesting code. - The 14 patch series "mm, swap: introduce swap table as swap cache (phase I)" from Chris Li and Kairui Song is the first step along the path to implementing "swap tables" - a new approach to swap allocation and state tracking which is expected to yield speed and space improvements. This patchset itself yields a 5-20% performance benefit in some situations. - The 3 patch series "Some ptdesc cleanups" from Matthew Wilcox utilizes the new memdesc layer to clean up the ptdesc code a little. - The 3 patch series "Fix va_high_addr_switch.sh test failure" from Chunyu Hu fixes some issues in our 5-level pagetable selftesting code. - The 2 patch series "Minor fixes for memory allocation profiling" from Suren Baghdasaryan addresses a couple of minor issues in relatively new memory allocation profiling feature. - The 3 patch series "Small cleanups" from Matthew Wilcox has a few cleanups in preparation for more memdesc work. - The 2 patch series "mm/damon: add addr_unit for DAMON_LRU_SORT and DAMON_RECLAIM" from Quanmin Yan makes some changes to DAMON in furtherance of supporting arm highmem. - The 2 patch series "selftests/mm: Add -Wunreachable-code and fix warnings" from Muhammad Anjum adds that compiler check to selftests code and fixes the fallout, by removing dead code. - The 10 patch series "Improvements to Victim Process Thawing and OOM Reaper Traversal Order" from zhongjinji makes a number of improvements in the OOM killer: mainly thawing a more appropriate group of victim threads so they can release resources. - The 5 patch series "mm/damon: misc fixups and improvements for 6.18" from SeongJae Park is a bunch of small and unrelated fixups for DAMON. - The 7 patch series "mm/damon: define and use DAMON initialization check function" from SeongJae Park implement reliability and maintainability improvements to a recently-added bug fix. - The 2 patch series "mm/damon/stat: expose auto-tuned intervals and non-idle ages" from SeongJae Park provides additional transparency to userspace clients of the DAMON_STAT information. - The 2 patch series "Expand scope of khugepaged anonymous collapse" from Dev Jain removes some constraints on khubepaged's collapsing of anon VMAs. It also increases the success rate of MADV_COLLAPSE against an anon vma. - The 2 patch series "mm: do not assume file == vma->vm_file in compat_vma_mmap_prepare()" from Lorenzo Stoakes moves us further towards removal of file_operations.mmap(). This patchset concentrates upon clearing up the treatment of stacked filesystems. - The 6 patch series "mm: Improve mlock tracking for large folios" from Kiryl Shutsemau provides some fixes and improvements to mlock's tracking of large folios. /proc/meminfo's "Mlocked" field became more accurate. - The 2 patch series "mm/ksm: Fix incorrect accounting of KSM counters during fork" from Donet Tom fixes several user-visible KSM stats inaccuracies across forks and adds selftest code to verify these counters. - The 2 patch series "mm_slot: fix the usage of mm_slot_entry" from Wei Yang addresses some potential but presently benign issues in KSM's mm_slot handling. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCaN3cywAKCRDdBJ7gKXxA jtaPAQDmIuIu7+XnVUK5V11hsQ/5QtsUeLHV3OsAn4yW5/3dEQD/UddRU08ePN+1 2VRB0EwkLAdfMWW7TfiNZ+yhuoiL/AA= =4mhY -----END PGP SIGNATURE----- Merge tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - "mm, swap: improve cluster scan strategy" from Kairui Song improves performance and reduces the failure rate of swap cluster allocation - "support large align and nid in Rust allocators" from Vitaly Wool permits Rust allocators to set NUMA node and large alignment when perforning slub and vmalloc reallocs - "mm/damon/vaddr: support stat-purpose DAMOS" from Yueyang Pan extend DAMOS_STAT's handling of the DAMON operations sets for virtual address spaces for ops-level DAMOS filters - "execute PROCMAP_QUERY ioctl under per-vma lock" from Suren Baghdasaryan reduces mmap_lock contention during reads of /proc/pid/maps - "mm/mincore: minor clean up for swap cache checking" from Kairui Song performs some cleanup in the swap code - "mm: vm_normal_page*() improvements" from David Hildenbrand provides code cleanup in the pagemap code - "add persistent huge zero folio support" from Pankaj Raghav provides a block layer speedup by optionalls making the huge_zero_pagepersistent, instead of releasing it when its refcount falls to zero - "kho: fixes and cleanups" from Mike Rapoport adds a few touchups to the recently added Kexec Handover feature - "mm: make mm->flags a bitmap and 64-bit on all arches" from Lorenzo Stoakes turns mm_struct.flags into a bitmap. To end the constant struggle with space shortage on 32-bit conflicting with 64-bit's needs - "mm/swapfile.c and swap.h cleanup" from Chris Li cleans up some swap code - "selftests/mm: Fix false positives and skip unsupported tests" from Donet Tom fixes a few things in our selftests code - "prctl: extend PR_SET_THP_DISABLE to only provide THPs when advised" from David Hildenbrand "allows individual processes to opt-out of THP=always into THP=madvise, without affecting other workloads on the system". It's a long story - the [1/N] changelog spells out the considerations - "Add and use memdesc_flags_t" from Matthew Wilcox gets us started on the memdesc project. Please see https://kernelnewbies.org/MatthewWilcox/Memdescs and https://blogs.oracle.com/linux/post/introducing-memdesc - "Tiny optimization for large read operations" from Chi Zhiling improves the efficiency of the pagecache read path - "Better split_huge_page_test result check" from Zi Yan improves our folio splitting selftest code - "test that rmap behaves as expected" from Wei Yang adds some rmap selftests - "remove write_cache_pages()" from Christoph Hellwig removes that function and converts its two remaining callers - "selftests/mm: uffd-stress fixes" from Dev Jain fixes some UFFD selftests issues - "introduce kernel file mapped folios" from Boris Burkov introduces the concept of "kernel file pages". Using these permits btrfs to account its metadata pages to the root cgroup, rather than to the cgroups of random inappropriate tasks - "mm/pageblock: improve readability of some pageblock handling" from Wei Yang provides some readability improvements to the page allocator code - "mm/damon: support ARM32 with LPAE" from SeongJae Park teaches DAMON to understand arm32 highmem - "tools: testing: Use existing atomic.h for vma/maple tests" from Brendan Jackman performs some code cleanups and deduplication under tools/testing/ - "maple_tree: Fix testing for 32bit compiles" from Liam Howlett fixes a couple of 32-bit issues in tools/testing/radix-tree.c - "kasan: unify kasan_enabled() and remove arch-specific implementations" from Sabyrzhan Tasbolatov moves KASAN arch-specific initialization code into a common arch-neutral implementation - "mm: remove zpool" from Johannes Weiner removes zspool - an indirection layer which now only redirects to a single thing (zsmalloc) - "mm: task_stack: Stack handling cleanups" from Pasha Tatashin makes a couple of cleanups in the fork code - "mm: remove nth_page()" from David Hildenbrand makes rather a lot of adjustments at various nth_page() callsites, eventually permitting the removal of that undesirable helper function - "introduce kasan.write_only option in hw-tags" from Yeoreum Yun creates a KASAN read-only mode for ARM, using that architecture's memory tagging feature. It is felt that a read-only mode KASAN is suitable for use in production systems rather than debug-only - "mm: hugetlb: cleanup hugetlb folio allocation" from Kefeng Wang does some tidying in the hugetlb folio allocation code - "mm: establish const-correctness for pointer parameters" from Max Kellermann makes quite a number of the MM API functions more accurate about the constness of their arguments. This was getting in the way of subsystems (in this case CEPH) when they attempt to improving their own const/non-const accuracy - "Cleanup free_pages() misuse" from Vishal Moola fixes a number of code sites which were confused over when to use free_pages() vs __free_pages() - "Add Rust abstraction for Maple Trees" from Alice Ryhl makes the mapletree code accessible to Rust. Required by nouveau and by its forthcoming successor: the new Rust Nova driver - "selftests/mm: split_huge_page_test: split_pte_mapped_thp improvements" from David Hildenbrand adds a fix and some cleanups to the thp selftesting code - "mm, swap: introduce swap table as swap cache (phase I)" from Chris Li and Kairui Song is the first step along the path to implementing "swap tables" - a new approach to swap allocation and state tracking which is expected to yield speed and space improvements. This patchset itself yields a 5-20% performance benefit in some situations - "Some ptdesc cleanups" from Matthew Wilcox utilizes the new memdesc layer to clean up the ptdesc code a little - "Fix va_high_addr_switch.sh test failure" from Chunyu Hu fixes some issues in our 5-level pagetable selftesting code - "Minor fixes for memory allocation profiling" from Suren Baghdasaryan addresses a couple of minor issues in relatively new memory allocation profiling feature - "Small cleanups" from Matthew Wilcox has a few cleanups in preparation for more memdesc work - "mm/damon: add addr_unit for DAMON_LRU_SORT and DAMON_RECLAIM" from Quanmin Yan makes some changes to DAMON in furtherance of supporting arm highmem - "selftests/mm: Add -Wunreachable-code and fix warnings" from Muhammad Anjum adds that compiler check to selftests code and fixes the fallout, by removing dead code - "Improvements to Victim Process Thawing and OOM Reaper Traversal Order" from zhongjinji makes a number of improvements in the OOM killer: mainly thawing a more appropriate group of victim threads so they can release resources - "mm/damon: misc fixups and improvements for 6.18" from SeongJae Park is a bunch of small and unrelated fixups for DAMON - "mm/damon: define and use DAMON initialization check function" from SeongJae Park implement reliability and maintainability improvements to a recently-added bug fix - "mm/damon/stat: expose auto-tuned intervals and non-idle ages" from SeongJae Park provides additional transparency to userspace clients of the DAMON_STAT information - "Expand scope of khugepaged anonymous collapse" from Dev Jain removes some constraints on khubepaged's collapsing of anon VMAs. It also increases the success rate of MADV_COLLAPSE against an anon vma - "mm: do not assume file == vma->vm_file in compat_vma_mmap_prepare()" from Lorenzo Stoakes moves us further towards removal of file_operations.mmap(). This patchset concentrates upon clearing up the treatment of stacked filesystems - "mm: Improve mlock tracking for large folios" from Kiryl Shutsemau provides some fixes and improvements to mlock's tracking of large folios. /proc/meminfo's "Mlocked" field became more accurate - "mm/ksm: Fix incorrect accounting of KSM counters during fork" from Donet Tom fixes several user-visible KSM stats inaccuracies across forks and adds selftest code to verify these counters - "mm_slot: fix the usage of mm_slot_entry" from Wei Yang addresses some potential but presently benign issues in KSM's mm_slot handling * tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (372 commits) mm: swap: check for stable address space before operating on the VMA mm: convert folio_page() back to a macro mm/khugepaged: use start_addr/addr for improved readability hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list alloc_tag: fix boot failure due to NULL pointer dereference mm: silence data-race in update_hiwater_rss mm/memory-failure: don't select MEMORY_ISOLATION mm/khugepaged: remove definition of struct khugepaged_mm_slot mm/ksm: get mm_slot by mm_slot_entry() when slot is !NULL hugetlb: increase number of reserving hugepages via cmdline selftests/mm: add fork inheritance test for ksm_merging_pages counter mm/ksm: fix incorrect KSM counter handling in mm_struct during fork drivers/base/node: fix double free in register_one_node() mm: remove PMD alignment constraint in execmem_vmalloc() mm/memory_hotplug: fix typo 'esecially' -> 'especially' mm/rmap: improve mlock tracking for large folios mm/filemap: map entire large folio faultaround mm/fault: try to map the entire file folio in finish_fault() mm/rmap: mlock large folios in try_to_unmap_one() mm/rmap: fix a mlock race condition in folio_referenced_one() ... |