Revision tags: v6.12-rc5 |
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#
fc5ced75 |
| 25-Oct-2024 |
Thomas Zimmermann <tzimmermann@suse.de> |
Merge drm/drm-fixes into drm-misc-fixes
Backmerging to get the latest fixes from upstream.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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Revision tags: v6.12-rc4 |
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3d5ad2d4 |
| 19-Oct-2024 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Daniel Borkmann:
- Fix BPF verifier to not affect subreg_def marks in its range propagation (E
Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Daniel Borkmann:
- Fix BPF verifier to not affect subreg_def marks in its range propagation (Eduard Zingerman)
- Fix a truncation bug in the BPF verifier's handling of coerce_reg_to_size_sx (Dimitar Kanaliev)
- Fix the BPF verifier's delta propagation between linked registers under 32-bit addition (Daniel Borkmann)
- Fix a NULL pointer dereference in BPF devmap due to missing rxq information (Florian Kauer)
- Fix a memory leak in bpf_core_apply (Jiri Olsa)
- Fix an UBSAN-reported array-index-out-of-bounds in BTF parsing for arrays of nested structs (Hou Tao)
- Fix build ID fetching where memory areas backing the file were created with memfd_secret (Andrii Nakryiko)
- Fix BPF task iterator tid filtering which was incorrectly using pid instead of tid (Jordan Rome)
- Several fixes for BPF sockmap and BPF sockhash redirection in combination with vsocks (Michal Luczaj)
- Fix riscv BPF JIT and make BPF_CMPXCHG fully ordered (Andrea Parri)
- Fix riscv BPF JIT under CONFIG_CFI_CLANG to prevent the possibility of an infinite BPF tailcall (Pu Lehui)
- Fix a build warning from resolve_btfids that bpf_lsm_key_free cannot be resolved (Thomas Weißschuh)
- Fix a bug in kfunc BTF caching for modules where the wrong BTF object was returned (Toke Høiland-Jørgensen)
- Fix a BPF selftest compilation error in cgroup-related tests with musl libc (Tony Ambardar)
- Several fixes to BPF link info dumps to fill missing fields (Tyrone Wu)
- Add BPF selftests for kfuncs from multiple modules, checking that the correct kfuncs are called (Simon Sundberg)
- Ensure that internal and user-facing bpf_redirect flags don't overlap (Toke Høiland-Jørgensen)
- Switch to use kvzmalloc to allocate BPF verifier environment (Rik van Riel)
- Use raw_spinlock_t in BPF ringbuf to fix a sleep in atomic splat under RT (Wander Lairson Costa)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (38 commits) lib/buildid: Handle memfd_secret() files in build_id_parse() selftests/bpf: Add test case for delta propagation bpf: Fix print_reg_state's constant scalar dump bpf: Fix incorrect delta propagation between linked registers bpf: Properly test iter/task tid filtering bpf: Fix iter/task tid filtering riscv, bpf: Make BPF_CMPXCHG fully ordered bpf, vsock: Drop static vsock_bpf_prot initialization vsock: Update msg_count on read_skb() vsock: Update rx_bytes on read_skb() bpf, sockmap: SK_DROP on attempted redirects of unsupported af_vsock selftests/bpf: Add asserts for netfilter link info bpf: Fix link info netfilter flags to populate defrag flag selftests/bpf: Add test for sign extension in coerce_subreg_to_size_sx() selftests/bpf: Add test for truncation after sign extension in coerce_reg_to_size_sx() bpf: Fix truncation bug in coerce_reg_to_size_sx() selftests/bpf: Assert link info uprobe_multi count & path_size if unset bpf: Fix unpopulated path_size when uprobe_multi fields unset selftests/bpf: Fix cross-compiling urandom_read selftests/bpf: Add test for kfunc module order ...
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Revision tags: v6.12-rc3 |
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#
830b8e49 |
| 10-Oct-2024 |
Alexei Starovoitov <ast@kernel.org> |
Merge branch 'check-the-remaining-info_cnt-before-repeating-btf-fields'
Hou Tao says:
==================== Check the remaining info_cnt before repeating btf fields
From: Hou Tao <houtao1@huawei.co
Merge branch 'check-the-remaining-info_cnt-before-repeating-btf-fields'
Hou Tao says:
==================== Check the remaining info_cnt before repeating btf fields
From: Hou Tao <houtao1@huawei.com>
Hi,
The patch set adds the missed check again info_cnt when flattening the array of nested struct. The problem was spotted when developing dynptr key support for hash map. Patch #1 adds the missed check and patch #2 adds three success test cases and one failure test case for the problem.
Comments are always welcome.
Change Log: v2: * patch #1: check info_cnt in btf_repeat_fields() * patch #2: use a hard-coded number instead of BTF_FIELDS_MAX, because BTF_FIELDS_MAX is not always available in vmlinux.h (e.g., for llvm 17/18)
v1: https://lore.kernel.org/bpf/20240911110557.2759801-1-houtao@huaweicloud.com/T/#t ====================
Link: https://lore.kernel.org/r/20241008071114.3718177-1-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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#
797d73ee |
| 08-Oct-2024 |
Hou Tao <houtao1@huawei.com> |
bpf: Check the remaining info_cnt before repeating btf fields
When trying to repeat the btf fields for array of nested struct, it doesn't check the remaining info_cnt. The following splat will be re
bpf: Check the remaining info_cnt before repeating btf fields
When trying to repeat the btf fields for array of nested struct, it doesn't check the remaining info_cnt. The following splat will be reported when the value of ret * nelems is greater than BTF_FIELDS_MAX:
------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in ../kernel/bpf/btf.c:3951:49 index 11 is out of range for type 'btf_field_info [11]' CPU: 6 UID: 0 PID: 411 Comm: test_progs ...... 6.11.0-rc4+ #1 Tainted: [O]=OOT_MODULE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ... Call Trace: <TASK> dump_stack_lvl+0x57/0x70 dump_stack+0x10/0x20 ubsan_epilogue+0x9/0x40 __ubsan_handle_out_of_bounds+0x6f/0x80 ? kallsyms_lookup_name+0x48/0xb0 btf_parse_fields+0x992/0xce0 map_create+0x591/0x770 __sys_bpf+0x229/0x2410 __x64_sys_bpf+0x1f/0x30 x64_sys_call+0x199/0x9f0 do_syscall_64+0x3b/0xc0 entry_SYSCALL_64_after_hwframe+0x4b/0x53 RIP: 0033:0x7fea56f2cc5d ...... </TASK> ---[ end trace ]---
Fix it by checking the remaining info_cnt in btf_repeat_fields() before repeating the btf fields.
Fixes: 64e8ee814819 ("bpf: look into the types of the fields of a struct type recursively.") Signed-off-by: Hou Tao <houtao1@huawei.com> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20241008071114.3718177-2-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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#
45126b15 |
| 07-Oct-2024 |
Jiri Olsa <jolsa@kernel.org> |
bpf: Fix memory leak in bpf_core_apply
We need to free specs properly.
Fixes: 3d2786d65aaa ("bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos") Signed-off-by: Jiri Olsa <jolsa@kernel.or
bpf: Fix memory leak in bpf_core_apply
We need to free specs properly.
Fixes: 3d2786d65aaa ("bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos") Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/bpf/20241007160958.607434-1-jolsa@kernel.org
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Revision tags: v6.12-rc2, v6.12-rc1 |
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#
52c996d3 |
| 27-Sep-2024 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
Merge remote-tracking branch 'torvalds/master' into perf-tools
To pick up changes in other trees that may affect perf, such as libbpf and in general the header files that perf has copies of, so that
Merge remote-tracking branch 'torvalds/master' into perf-tools
To pick up changes in other trees that may affect perf, such as libbpf and in general the header files that perf has copies of, so that we can do the sync with the kernel sources.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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c8d430db |
| 06-Oct-2024 |
Paolo Bonzini <pbonzini@redhat.com> |
Merge tag 'kvmarm-fixes-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.12, take #1
- Fix pKVM error path on init, making sure we do not chang
Merge tag 'kvmarm-fixes-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.12, take #1
- Fix pKVM error path on init, making sure we do not change critical system registers as we're about to fail
- Make sure that the host's vector length is at capped by a value common to all CPUs
- Fix kvm_has_feat*() handling of "negative" features, as the current code is pretty broken
- Promote Joey to the status of official reviewer, while James steps down -- hopefully only temporarly
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0c436dfe |
| 02-Oct-2024 |
Takashi Iwai <tiwai@suse.de> |
Merge tag 'asoc-fix-v6.12-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.12
A bunch of fixes here that came in during the merge window and t
Merge tag 'asoc-fix-v6.12-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.12
A bunch of fixes here that came in during the merge window and the first week of release, plus some new quirks and device IDs. There's nothing major here, it's a bit bigger than it might've been due to there being no fixes sent during the merge window due to your vacation.
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2cd86f02 |
| 01-Oct-2024 |
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> |
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
Required for a panthor fix that broke when FOP_UNSIGNED_OFFSET was added in place of FMODE_UNSIGNED_OFFSET.
Signed-off-by: Maarten L
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
Required for a panthor fix that broke when FOP_UNSIGNED_OFFSET was added in place of FMODE_UNSIGNED_OFFSET.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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3a39d672 |
| 27-Sep-2024 |
Paolo Abeni <pabeni@redhat.com> |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts and no adjacent changes.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Revision tags: v6.11 |
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f299cd11 |
| 09-Sep-2024 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
Merge 6.11-rc7 into usb-next
We need the USB fixes in here as well, and this also resolves the merge conflict in: drivers/usb/typec/ucsi/ucsi.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Merge 6.11-rc7 into usb-next
We need the USB fixes in here as well, and this also resolves the merge conflict in: drivers/usb/typec/ucsi/ucsi.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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895b4fae |
| 09-Sep-2024 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
Merge 6.11-rc7 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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42b16d3a |
| 17-Sep-2024 |
Jens Axboe <axboe@kernel.dk> |
Merge tag 'v6.11' into for-6.12/block
Merge in 6.11 final to get the fix for preventing deadlocks on an elevator switch, as there's a fixup for that patch.
* tag 'v6.11': (1788 commits) Linux 6.1
Merge tag 'v6.11' into for-6.12/block
Merge in 6.11 final to get the fix for preventing deadlocks on an elevator switch, as there's a fixup for that patch.
* tag 'v6.11': (1788 commits) Linux 6.11 Revert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop" pinctrl: pinctrl-cy8c95x0: Fix regcache cifs: Fix signature miscalculation mm: avoid leaving partial pfn mappings around in error case drm/xe/client: add missing bo locking in show_meminfo() drm/xe/client: fix deadlock in show_meminfo() drm/xe/oa: Enable Xe2+ PES disaggregation drm/xe/display: fix compat IS_DISPLAY_STEP() range end drm/xe: Fix access_ok check in user_fence_create drm/xe: Fix possible UAF in guc_exec_queue_process_msg drm/xe: Remove fence check from send_tlb_invalidation drm/xe/gt: Remove double include net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init() PCI: Fix potential deadlock in pcim_intx() workqueue: Clear worker->pool in the worker thread context net: tighten bad gso csum offset check in virtio_net_hdr netlink: specs: mptcp: fix port endianness net: dpaa: Pad packets to ETH_ZLEN mptcp: pm: Fix uaf in __timer_delete_sync ...
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fa8380a0 |
| 24-Sep-2024 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge tag 'bpf-next-6.12-struct-fd' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf 'struct fd' updates from Alexei Starovoitov: "This includes struct_fd BPF changes from Al
Merge tag 'bpf-next-6.12-struct-fd' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf 'struct fd' updates from Alexei Starovoitov: "This includes struct_fd BPF changes from Al and Andrii"
* tag 'bpf-next-6.12-struct-fd' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: bpf: convert bpf_token_create() to CLASS(fd, ...) security,bpf: constify struct path in bpf_token_create() LSM hook bpf: more trivial fdget() conversions bpf: trivial conversions for fdget() bpf: switch maps to CLASS(fd, ...) bpf: factor out fetching bpf_map from FD and adding it to used_maps list bpf: switch fdget_raw() uses to CLASS(fd_raw, ...) bpf: convert __bpf_prog_get() to CLASS(fd, ...)
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#
36ec807b |
| 20-Sep-2024 |
Dmitry Torokhov <dmitry.torokhov@gmail.com> |
Merge branch 'next' into for-linus
Prepare input updates for 6.12 merge window.
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Revision tags: v6.11-rc7 |
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f057b572 |
| 06-Sep-2024 |
Dmitry Torokhov <dmitry.torokhov@gmail.com> |
Merge branch 'ib/6.11-rc6-matrix-keypad-spitz' into next
Bring in changes removing support for platform data from matrix-keypad driver.
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Revision tags: v6.11-rc6, v6.11-rc5, v6.11-rc4 |
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eb80ee85 |
| 13-Aug-2024 |
Al Viro <viro@zeniv.linux.org.uk> |
bpf: trivial conversions for fdget()
fdget() is the first thing done in scope, all matching fdput() are immediately followed by leaving the scope.
Reviewed-by: Christian Brauner <brauner@kernel.org
bpf: trivial conversions for fdget()
fdget() is the first thing done in scope, all matching fdput() are immediately followed by leaving the scope.
Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
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50470d38 |
| 13-Aug-2024 |
Andrii Nakryiko <andrii@kernel.org> |
Merge remote-tracking branch 'vfs/stable-struct_fd'
Merge Al Viro's struct fd refactorings.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
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Revision tags: v6.11-rc3, v6.11-rc2, v6.11-rc1 |
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3daee2e4 |
| 16-Jul-2024 |
Dmitry Torokhov <dmitry.torokhov@gmail.com> |
Merge tag 'v6.10' into next
Sync up with mainline to bring in device_for_each_child_node_scoped() and other newer APIs.
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f8ffbc36 |
| 23-Sep-2024 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull 'struct fd' updates from Al Viro: "Just the 'struct fd' layout change, with conversion to accessor
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull 'struct fd' updates from Al Viro: "Just the 'struct fd' layout change, with conversion to accessor helpers"
* tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: add struct fd constructors, get rid of __to_fd() struct fd: representation change introduce fd_file(), convert all accessors to it.
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c24999e6 |
| 21-Sep-2024 |
Wolfram Sang <wsa+renesas@sang-engineering.com> |
Merge tag 'i2c-host-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
The DesignWare and the Renesas I2C drivers have received most of the changes in t
Merge tag 'i2c-host-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
The DesignWare and the Renesas I2C drivers have received most of the changes in this pull request.
The first has has undergone through a series of cleanups that have been sent to the mailing list a year ago for the first time and finally get merged in this pull request. They are many, from typos (e.g. i2/i2c), to cosmetics, to refactoring (e.g. move inline functions to librarieas) and many others.
Besides that, all the DesignWare Kconfig options have been grouped under the I2C_DESIGNWARE_CORE and this required some adaptation in many of the kernel configuration files for different arm and mips boards.
Follows the list of the rest of the changes grouped by type of change.
Cleanups -------- The Qualcomm Geni platform improves the exit path in the runtime resume function.
The Intel LJCA driver loses "target_addr" parameter in ljca_i2c_stop() because it was unused.
The MediaTek controller intializes the restart_flag in the transfer function using the ternary conditional operator ("? :") instead of initializing it in different parts.
Constified a few global data structures in the virtio driver.
The Renesas driver simplifies the bus speed handling in the init function making it more readable.
Improved an if/else statement in probe function of the Renesas R-Car driver.
The iMX/MXC driver switches to using the RUNTIME_PM_OPS() instead of SET_RUNTIME_PM_OPS().
Still in the iMX/MXC driver a comma ',' has been replaced by a semicolon ';', while in different drivers the ',' has been removed from the '{ }' delimiters.
Finally three devm_clk_get_enabled() have been used to simplify the devm_clk_get/clk_prepare_enable tuple in the Renesas EMEV2, Ingenic and MPC drivers.
Refactors --------- The Nuvoton fixes a potential out of boundary array access. This is not a bug fix because the issue could never occur due to hardware not having the properties listed in the array. The change makes the driver more future proof and, at the same time, silences code analyzers.
Improvements ------------ The Renesas I2C (riic) driver undergoes several patches improving the runtime power management handling.
The Intel i801 driver uses a more descriptive adapter's name to show the presence of the IDF feature.
In the Intel Denverton (ismt) adapter the pending transactions are killed when irq's can't complete their handling, triggering a timeout. This could have been considered as a bug fix, but because, standing to Vasily, it's very sporadic, I preferred considering the patch rather as an improvement.
New Feature ----------- The Renesas I2C (riic) driver now supports the fast mode plus.
New support ----------- Added support for:
- Renesas R9A08G045 - Rockchip RK3576 - KEBA I2C - Theobroma Systems Mule Multiplexer.
The Keba comes with a new driver, i2c-keba.c. The Mule is an i2c multiplexer and it also comes with a new driver, mux/i2c-mux-mule.c.
Core patch ---------- This pull request includes also a patch in the I2C framework, in i2c-core-base.c where the runtime PM functions have been replaced in order to allow to be accessed during the device add.
Devicetree ---------- Some cleanups in the devicetree, as well. nVidia and Qualcomm bindings improve their "if:then:" blocks. While the aspeed binding loses the "multi-master" property because it was redundant.
The i2c-sprd binding has been converted to YAML.
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Revision tags: v6.10, v6.10-rc7, v6.10-rc6, v6.10-rc5, v6.10-rc4, v6.10-rc3, v6.10-rc2 |
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#
1da91ea8 |
| 31-May-2024 |
Al Viro <viro@zeniv.linux.org.uk> |
introduce fd_file(), convert all accessors to it.
For any changes of struct fd representation we need to turn existing accesses to fields into calls of wrappers. Accesses to struct fd::flags are ve
introduce fd_file(), convert all accessors to it.
For any changes of struct fd representation we need to turn existing accesses to fields into calls of wrappers. Accesses to struct fd::flags are very few (3 in linux/file.h, 1 in net/socket.c, 3 in fs/overlayfs/file.c and 3 more in explicit initializers). Those can be dealt with in the commit converting to new layout; accesses to struct fd::file are too many for that. This commit converts (almost) all of f.file to fd_file(f). It's not entirely mechanical ('file' is used as a member name more than just in struct fd) and it does not even attempt to distinguish the uses in pointer context from those in boolean context; the latter will be eventually turned into a separate helper (fd_empty()).
NOTE: mass conversion to fd_empty(), tempting as it might be, is a bad idea; better do that piecewise in commit that convert from fdget...() to CLASS(...).
[conflicts in fs/fhandle.c, kernel/bpf/syscall.c, mm/memcontrol.c caught by git; fs/stat.c one got caught by git grep] [fs/xattr.c conflict]
Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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#
66e72a01 |
| 29-Jul-2024 |
Jerome Brunet <jbrunet@baylibre.com> |
Merge tag 'v6.11-rc1' into clk-meson-next
Linux 6.11-rc1
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#
92984e44 |
| 06-Sep-2024 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
Merge remote-tracking branch 'torvalds/master' into perf-tools-next
To pick up fixes from perf-tools/perf-tools, some of which were also in perf-tools-next but were then indentified as being more ap
Merge remote-tracking branch 'torvalds/master' into perf-tools-next
To pick up fixes from perf-tools/perf-tools, some of which were also in perf-tools-next but were then indentified as being more appropriate to go sooner, to fix regressions in v6.11.
Resolve a simple merge conflict in tools/perf/tests/pmu.c where a more future proof approach to initialize all fields of a struct was used in perf-tools-next, the one that is going into v6.11 is enough for the segfault it addressed (using an uninitialized test_pmu.alias field).
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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ee057c8c |
| 14-Aug-2024 |
Steven Rostedt <rostedt@goodmis.org> |
Merge tag 'v6.11-rc3' into trace/ring-buffer/core
The "reserve_mem" kernel command line parameter has been pulled into v6.11. Merge the latest -rc3 to allow the persistent ring buffer memory to be a
Merge tag 'v6.11-rc3' into trace/ring-buffer/core
The "reserve_mem" kernel command line parameter has been pulled into v6.11. Merge the latest -rc3 to allow the persistent ring buffer memory to be able to be mapped at the address specified by the "reserve_mem" command line parameter.
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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