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2024-06-21crypto: lib/mpi - Use swap() in mpi_powm()Jiapeng Chong
Use existing swap() function rather than duplicating its implementation. ./lib/crypto/mpi/mpi-pow.c:211:11-12: WARNING opportunity for swap(). ./lib/crypto/mpi/mpi-pow.c:239:12-13: WARNING opportunity for swap(). Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9327 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-06-21crypto: lib/mpi - Use swap() in mpi_ec_mul_point()Jiapeng Chong
Use existing swap() function rather than duplicating its implementation. ./lib/crypto/mpi/ec.c:1291:20-21: WARNING opportunity for swap(). ./lib/crypto/mpi/ec.c:1292:20-21: WARNING opportunity for swap(). Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9328 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-06-21Merge tag 'drm-misc-next-2024-05-30' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/misc/kernel into drm-next drm-misc-next for 6.11: UAPI Changes: - Deprecate DRM date and return a 0 date in DRM_IOCTL_VERSION Core Changes: - connector: Create a set of helpers to help with HDMI support - fbdev: Create memory manager optimized fbdev emulation - panic: Allow to select fonts, improve drm_fb_dma_get_scanout_buffer Driver Changes: - Remove driver owner assignments - Allow more drivers to compile with COMPILE_TEST - Conversions to drm_edid - ivpu: hardware scheduler support, profiling support, improvements to the platform support layer - mgag200: general reworks and improvements - nouveau: Add NVreg_RegistryDwords command line option - rockchip: Conversion to the hdmi helpers - sun4i: Conversion to the hdmi helpers - vc4: Conversion to the hdmi helpers - v3d: Perf counters improvements - zynqmp: IRQ and debugfs improvements - bridge: - Remove redundant checks on bridge->encoder - panels: - Switch panels from register table initialization to proper code - Now that the panel code tracks the panel state, remove every ad-hoc implementation in the panel drivers - New panels: Lincoln Tech Sol LCD185-101CT, Microtips Technology 13-101HIEBCAF0-C, Microtips Technology MF-103HIEB0GA0, BOE nv110wum-l60, IVO t109nw41 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <mripard@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240530-hilarious-flat-magpie-5fa186@houat
2024-06-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Cross-merge networking fixes after downstream PR. Conflicts: drivers/net/ethernet/broadcom/bnxt/bnxt.c 1e7962114c10 ("bnxt_en: Restore PTP tx_avail count in case of skb_pad() error") 165f87691a89 ("bnxt_en: add timestamping statistics support") No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-06-19fortify: Do not special-case 0-sized destinationsKees Cook
All fake flexible arrays should have been removed now, so remove the special casing that was avoiding checking them. If a destination claims to be 0 sized, believe it. This is especially important for cases where __counted_by is in use and may have a 0 element count. Link: https://lore.kernel.org/r/20240619203105.work.747-kees@kernel.org Signed-off-by: Kees Cook <kees@kernel.org>
2024-06-18sched_ext: Print sched_ext info when dumping stackDavid Vernet
It would be useful to see what the sched_ext scheduler state is, and what scheduler is running, when we're dumping a task's stack. This patch therefore adds a new print_scx_info() function that's called in the same context as print_worker_info() and print_stop_info(). An example dump follows. BUG: kernel NULL pointer dereference, address: 0000000000000999 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 0 P4D 0 Oops: 0002 [#1] PREEMPT SMP CPU: 13 PID: 2047 Comm: insmod Tainted: G O 6.6.0-work-10323-gb58d4cae8e99-dirty #34 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS unknown 2/2/2022 Sched_ext: qmap (enabled+all), task: runnable_at=-17ms RIP: 0010:init_module+0x9/0x1000 [test_module] ... v3: - scx_ops_enable_state_str[] definition moved to an earlier patch as it's now used by core implementation. - Convert jiffy delta to msecs using jiffies_to_msecs() instead of multiplying by (HZ / MSEC_PER_SEC). The conversion is implemented in jiffies_delta_msecs(). v2: - We are now using scx_ops_enable_state_str[] outside CONFIG_SCHED_DEBUG. Move it outside of CONFIG_SCHED_DEBUG and to the top. This was reported by Changwoo and Andrea. Signed-off-by: David Vernet <void@manifault.com> Reported-by: Changwoo Min <changwoo@igalia.com> Reported-by: Andrea Righi <andrea.righi@canonical.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2024-06-18lib: bitmap: add missing MODULE_DESCRIPTION() macrosJeff Johnson
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/find_bit_benchmark.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/cpumask_kunit.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_bitmap.o Add the missing invocations of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Yury Norov <yury.norov@gmail.com>
2024-06-18cpumask: limit FORCE_NR_CPUS to just the UP caseLinus Torvalds
Hardcoding the number of CPUs at compile time does improve code generation, but if you get it wrong the result will be confusion. We already limited this earlier to only "experts" (see commit fe5759d5bfda "cpumask: limit visibility of FORCE_NR_CPUS"), but with distro kernel configs often having EXPERT enabled, that turns out to not be much of a limit. To quote the philosophers at Disney: "Everyone can be an expert. And when everyone's an expert, no one will be". There's a runtime warning if you then set nr_cpus to anything but the forced number, but apparently that can be ignored too [1] and by then it's pretty much too late anyway. If we had some real way to limit this to "embedded only", maybe it would be worth it, but let's see if anybody even notices that the option is gone. We need to simplify kernel configuration anyway. Link: https://lore.kernel.org/all/20240618105036.208a8860@rorschach.local.home/ [1] Reported-by: Steven Rostedt <rostedt@goodmis.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Paul McKenney <paulmck@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Yury Norov <yury.norov@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-06-17Merge tag 'mm-hotfixes-stable-2024-06-17-11-43' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "Mainly MM singleton fixes. And a couple of ocfs2 regression fixes" * tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: kcov: don't lose track of remote references during softirqs mm: shmem: fix getting incorrect lruvec when replacing a shmem folio mm/debug_vm_pgtable: drop RANDOM_ORVALUE trick mm: fix possible OOB in numa_rebuild_large_mapping() mm/migrate: fix kernel BUG at mm/compaction.c:2761! selftests: mm: make map_fixed_noreplace test names stable mm/memfd: add documentation for MFD_NOEXEC_SEAL MFD_EXEC mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default gcov: add support for GCC 14 zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING mm: huge_memory: fix misused mapping_large_folio_support() for anon folios lib/alloc_tag: fix RCU imbalance in pgalloc_tag_get() lib/alloc_tag: do not register sysctl interface when CONFIG_SYSCTL=n MAINTAINERS: remove Lorenzo as vmalloc reviewer Revert "mm: init_mlocked_on_free_v3" mm/page_table_check: fix crash on ZONE_DEVICE gcc: disable '-Warray-bounds' for gcc-9 ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger() ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty()
2024-06-17Merge tag 'hardening-v6.10-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening fixes from Kees Cook: - yama: document function parameter (Christian Göttsche) - mm/util: Swap kmemdup_array() arguments (Jean-Philippe Brucker) - kunit/overflow: Adjust for __counted_by with DEFINE_RAW_FLEX() - MAINTAINERS: Update entries for Kees Cook * tag 'hardening-v6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: MAINTAINERS: Update entries for Kees Cook kunit/overflow: Adjust for __counted_by with DEFINE_RAW_FLEX() yama: document function parameter mm/util: Swap kmemdup_array() arguments
2024-06-17Merge tag 'v6.10-rc4' into driver-core-nextGreg Kroah-Hartman
We need the driver core and sysfs fixes in here to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-17Merge tag 'v6.10-rc4' into char-misc-nextGreg Kroah-Hartman
We need the char-misc and iio fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-15lib/alloc_tag: do not register sysctl interface when CONFIG_SYSCTL=nSuren Baghdasaryan
Memory allocation profiling is trying to register sysctl interface even when CONFIG_SYSCTL=n, resulting in proc_do_static_key() being undefined. Prevent that by skipping sysctl registration for such configurations. Link: https://lkml.kernel.org/r/20240601233831.617124-1-surenb@google.com Fixes: 22d407b164ff ("lib: add allocation tagging support for memory allocation profiling") Signed-off-by: Suren Baghdasaryan <surenb@google.com> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202405280616.wcOGWJEj-lkp@intel.com/ Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: Kees Cook <keescook@chromium.org> Cc: Pasha Tatashin <pasha.tatashin@soleen.com> Cc: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-06-14usercopy: Convert test_user_copy to KUnit testKees Cook
Convert the runtime tests of hardened usercopy to standard KUnit tests. Additionally disable usercopy_test_invalid() for systems with separate address spaces (or no MMU) since it's not sensible to test for address confusion there (e.g. m68k). Co-developed-by: Vitor Massaru Iha <vitor@massaru.org> Signed-off-by: Vitor Massaru Iha <vitor@massaru.org> Link: https://lore.kernel.org/r/20200721174654.72132-1-vitor@massaru.org Tested-by: Ivan Orlov <ivan.orlov0322@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Kees Cook <kees@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-14kunit: test: Add vm_mmap() allocation resource managerKees Cook
For tests that need to allocate using vm_mmap() (e.g. usercopy and execve), provide the interface to have the allocation tracked by KUnit itself. This requires bringing up a placeholder userspace mm. This combines my earlier attempt at this with Mark Rutland's version[1]. Normally alloc_mm() and arch_pick_mmap_layout() aren't exported for modules, so export these only for KUnit testing. Link: https://lore.kernel.org/lkml/20230321122514.1743889-2-mark.rutland@arm.com/ [1] Co-developed-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Kees Cook <kees@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-13mm profiling: Remove superfluous sentinel element from ctl_tableJoel Granados
This commit is part of a greater effort to remove all empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Removed sentinel from memory_allocation_profiling_sysctls Signed-off-by: Joel Granados <j.granados@samsung.com>
2024-06-12vsprintf: add missing MODULE_DESCRIPTION() macroJeff Johnson
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_printf.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_scanf.o Add the missing invocations of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20240531-md-vsprintf-v1-1-d8bc7e21539a@quicinc.com Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
2024-06-12kobject_uevent: Fix OOB access within zap_modalias_env()Zijun Hu
zap_modalias_env() wrongly calculates size of memory block to move, so will cause OOB memory access issue if variable MODALIAS is not the last one within its @env parameter, fixed by correcting size to memmove. Fixes: 9b3fa47d4a76 ("kobject: fix suppressing modalias in uevents delivered over netlink") Cc: stable@vger.kernel.org Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com> Reviewed-by: Lk Sii <lk_sii@163.com> Link: https://lore.kernel.org/r/1717074877-11352-1-git-send-email-quic_zijuhu@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-10Merge tag 'for-netdev' of ↵Jakub Kicinski
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Daniel Borkmann says: ==================== pull-request: bpf-next 2024-06-06 We've added 54 non-merge commits during the last 10 day(s) which contain a total of 50 files changed, 1887 insertions(+), 527 deletions(-). The main changes are: 1) Add a user space notification mechanism via epoll when a struct_ops object is getting detached/unregistered, from Kui-Feng Lee. 2) Big batch of BPF selftest refactoring for sockmap and BPF congctl tests, from Geliang Tang. 3) Add BTF field (type and string fields, right now) iterator support to libbpf instead of using existing callback-based approaches, from Andrii Nakryiko. 4) Extend BPF selftests for the latter with a new btf_field_iter selftest, from Alan Maguire. 5) Add new kfuncs for a generic, open-coded bits iterator, from Yafang Shao. 6) Fix BPF selftests' kallsyms_find() helper under kernels configured with CONFIG_LTO_CLANG_THIN, from Yonghong Song. 7) Remove a bunch of unused structs in BPF selftests, from David Alan Gilbert. 8) Convert test_sockmap section names into names understood by libbpf so it can deduce program type and attach type, from Jakub Sitnicki. 9) Extend libbpf with the ability to configure log verbosity via LIBBPF_LOG_LEVEL environment variable, from Mykyta Yatsenko. 10) Fix BPF selftests with regards to bpf_cookie and find_vma flakiness in nested VMs, from Song Liu. 11) Extend riscv32/64 JITs to introduce shift/add helpers to generate Zba optimization, from Xiao Wang. 12) Enable BPF programs to declare arrays and struct fields with kptr, bpf_rb_root, and bpf_list_head, from Kui-Feng Lee. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (54 commits) selftests/bpf: Drop useless arguments of do_test in bpf_tcp_ca selftests/bpf: Use start_test in test_dctcp in bpf_tcp_ca selftests/bpf: Use start_test in test_dctcp_fallback in bpf_tcp_ca selftests/bpf: Add start_test helper in bpf_tcp_ca selftests/bpf: Use connect_to_fd_opts in do_test in bpf_tcp_ca libbpf: Auto-attach struct_ops BPF maps in BPF skeleton selftests/bpf: Add btf_field_iter selftests selftests/bpf: Fix send_signal test with nested CONFIG_PARAVIRT libbpf: Remove callback-based type/string BTF field visitor helpers bpftool: Use BTF field iterator in btfgen libbpf: Make use of BTF field iterator in BTF handling code libbpf: Make use of BTF field iterator in BPF linker code libbpf: Add BTF field iterator selftests/bpf: Ignore .llvm.<hash> suffix in kallsyms_find() selftests/bpf: Fix bpf_cookie and find_vma in nested VM selftests/bpf: Test global bpf_list_head arrays. selftests/bpf: Test global bpf_rb_root arrays and fields in nested struct types. selftests/bpf: Test kptr arrays and kptrs in nested struct fields. bpf: limit the number of levels of a nested struct type. bpf: look into the types of the fields of a struct type recursively. ... ==================== Link: https://lore.kernel.org/r/20240606223146.23020-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-06-10kunit/overflow: Adjust for __counted_by with DEFINE_RAW_FLEX()Kees Cook
When a flexible array structure has a __counted_by annotation, its use with DEFINE_RAW_FLEX() will result in the count being zero-initialized. This is expected since one doesn't want to use RAW with a counted_by struct. Adjust the tests to check for the condition and for compiler support. Reported-by: Christian Schrefl <chrisi.schrefl@gmail.com> Closes: https://lore.kernel.org/all/0bfc6b38-8bc5-4971-b6fb-dc642a73fbfe@gmail.com/ Suggested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/20240610182301.work.272-kees@kernel.org Tested-by: Christian Schrefl <chrisi.schrefl@gmail.com> Reviewed-by: Christian Schrefl <chrisi.schrefl@gmail.com> Signed-off-by: Kees Cook <kees@kernel.org>
2024-06-10mlxsw: spectrum_acl_erp: Fix object nesting warningIdo Schimmel
ACLs in Spectrum-2 and newer ASICs can reside in the algorithmic TCAM (A-TCAM) or in the ordinary circuit TCAM (C-TCAM). The former can contain more ACLs (i.e., tc filters), but the number of masks in each region (i.e., tc chain) is limited. In order to mitigate the effects of the above limitation, the device allows filters to share a single mask if their masks only differ in up to 8 consecutive bits. For example, dst_ip/25 can be represented using dst_ip/24 with a delta of 1 bit. The C-TCAM does not have a limit on the number of masks being used (and therefore does not support mask aggregation), but can contain a limited number of filters. The driver uses the "objagg" library to perform the mask aggregation by passing it objects that consist of the filter's mask and whether the filter is to be inserted into the A-TCAM or the C-TCAM since filters in different TCAMs cannot share a mask. The set of created objects is dependent on the insertion order of the filters and is not necessarily optimal. Therefore, the driver will periodically ask the library to compute a more optimal set ("hints") by looking at all the existing objects. When the library asks the driver whether two objects can be aggregated the driver only compares the provided masks and ignores the A-TCAM / C-TCAM indication. This is the right thing to do since the goal is to move as many filters as possible to the A-TCAM. The driver also forbids two identical masks from being aggregated since this can only happen if one was intentionally put in the C-TCAM to avoid a conflict in the A-TCAM. The above can result in the following set of hints: H1: {mask X, A-TCAM} -> H2: {mask Y, A-TCAM} // X is Y + delta H3: {mask Y, C-TCAM} -> H4: {mask Z, A-TCAM} // Y is Z + delta After getting the hints from the library the driver will start migrating filters from one region to another while consulting the computed hints and instructing the device to perform a lookup in both regions during the transition. Assuming a filter with mask X is being migrated into the A-TCAM in the new region, the hints lookup will return H1. Since H2 is the parent of H1, the library will try to find the object associated with it and create it if necessary in which case another hints lookup (recursive) will be performed. This hints lookup for {mask Y, A-TCAM} will either return H2 or H3 since the driver passes the library an object comparison function that ignores the A-TCAM / C-TCAM indication. This can eventually lead to nested objects which are not supported by the library [1]. Fix by removing the object comparison function from both the driver and the library as the driver was the only user. That way the lookup will only return exact matches. I do not have a reliable reproducer that can reproduce the issue in a timely manner, but before the fix the issue would reproduce in several minutes and with the fix it does not reproduce in over an hour. Note that the current usefulness of the hints is limited because they include the C-TCAM indication and represent aggregation that cannot actually happen. This will be addressed in net-next. [1] WARNING: CPU: 0 PID: 153 at lib/objagg.c:170 objagg_obj_parent_assign+0xb5/0xd0 Modules linked in: CPU: 0 PID: 153 Comm: kworker/0:18 Not tainted 6.9.0-rc6-custom-g70fbc2c1c38b #42 Hardware name: Mellanox Technologies Ltd. MSN3700C/VMOD0008, BIOS 5.11 10/10/2018 Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work RIP: 0010:objagg_obj_parent_assign+0xb5/0xd0 [...] Call Trace: <TASK> __objagg_obj_get+0x2bb/0x580 objagg_obj_get+0xe/0x80 mlxsw_sp_acl_erp_mask_get+0xb5/0xf0 mlxsw_sp_acl_atcam_entry_add+0xe8/0x3c0 mlxsw_sp_acl_tcam_entry_create+0x5e/0xa0 mlxsw_sp_acl_tcam_vchunk_migrate_one+0x16b/0x270 mlxsw_sp_acl_tcam_vregion_rehash_work+0xbe/0x510 process_one_work+0x151/0x370 Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Amit Cohen <amcohen@nvidia.com> Tested-by: Alexander Zubkov <green@qrator.net> Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-06-10lib: objagg: Fix general protection faultIdo Schimmel
The library supports aggregation of objects into other objects only if the parent object does not have a parent itself. That is, nesting is not supported. Aggregation happens in two cases: Without and with hints, where hints are a pre-computed recommendation on how to aggregate the provided objects. Nesting is not possible in the first case due to a check that prevents it, but in the second case there is no check because the assumption is that nesting cannot happen when creating objects based on hints. The violation of this assumption leads to various warnings and eventually to a general protection fault [1]. Before fixing the root cause, error out when nesting happens and warn. [1] general protection fault, probably for non-canonical address 0xdead000000000d90: 0000 [#1] PREEMPT SMP PTI CPU: 1 PID: 1083 Comm: kworker/1:9 Tainted: G W 6.9.0-rc6-custom-gd9b4f1cca7fb #7 Hardware name: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 01/06/2019 Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work RIP: 0010:mlxsw_sp_acl_erp_bf_insert+0x25/0x80 [...] Call Trace: <TASK> mlxsw_sp_acl_atcam_entry_add+0x256/0x3c0 mlxsw_sp_acl_tcam_entry_create+0x5e/0xa0 mlxsw_sp_acl_tcam_vchunk_migrate_one+0x16b/0x270 mlxsw_sp_acl_tcam_vregion_rehash_work+0xbe/0x510 process_one_work+0x151/0x370 worker_thread+0x2cb/0x3e0 kthread+0xd0/0x100 ret_from_fork+0x34/0x50 ret_from_fork_asm+0x1a/0x30 </TASK> Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") Reported-by: Alexander Zubkov <green@qrator.net> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Amit Cohen <amcohen@nvidia.com> Tested-by: Alexander Zubkov <green@qrator.net> Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-06-10lib: test_objagg: Fix spellingIdo Schimmel
Fixes: 0a020d416d0a ("lib: introduce initial implementation of object aggregation manager") Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Amit Cohen <amcohen@nvidia.com> Tested-by: Alexander Zubkov <green@qrator.net> Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-06-10lib: objagg: Fix spellingIdo Schimmel
Fixes: 0a020d416d0a ("lib: introduce initial implementation of object aggregation manager") Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Amit Cohen <amcohen@nvidia.com> Tested-by: Alexander Zubkov <green@qrator.net> Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-06-07list: test: add the missing MODULE_DESCRIPTION() macroJeff Johnson
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/list-test.o Add the missing invocation of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-07kunit: add missing MODULE_DESCRIPTION() macros to core modulesJeff Johnson
make allmodconfig && make W=1 C=1 reports in lib/kunit: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit-example-test.o Add the missing invocations of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Reviewed-by: Rae Moar <rmoar@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-07crypto: lib - add missing MODULE_DESCRIPTION() macrosJeff Johnson
Fix the allmodconfig 'make W=1' warnings: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/crypto/libchacha.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/crypto/libarc4.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/crypto/libdes.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/crypto/libpoly1305.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-06-06Merge tag 'net-6.10-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from BPF and big collection of fixes for WiFi core and drivers. Current release - regressions: - vxlan: fix regression when dropping packets due to invalid src addresses - bpf: fix a potential use-after-free in bpf_link_free() - xdp: revert support for redirect to any xsk socket bound to the same UMEM as it can result in a corruption - virtio_net: - add missing lock protection when reading return code from control_buf - fix false-positive lockdep splat in DIM - Revert "wifi: wilc1000: convert list management to RCU" - wifi: ath11k: fix error path in ath11k_pcic_ext_irq_config Previous releases - regressions: - rtnetlink: make the "split" NLM_DONE handling generic, restore the old behavior for two cases where we started coalescing those messages with normal messages, breaking sloppily-coded userspace - wifi: - cfg80211: validate HE operation element parsing - cfg80211: fix 6 GHz scan request building - mt76: mt7615: add missing chanctx ops - ath11k: move power type check to ASSOC stage, fix connecting to 6 GHz AP - ath11k: fix WCN6750 firmware crash caused by 17 num_vdevs - rtlwifi: ignore IEEE80211_CONF_CHANGE_RETRY_LIMITS - iwlwifi: mvm: fix a crash on 7265 Previous releases - always broken: - ncsi: prevent multi-threaded channel probing, a spec violation - vmxnet3: disable rx data ring on dma allocation failure - ethtool: init tsinfo stats if requested, prevent unintentionally reporting all-zero stats on devices which don't implement any - dst_cache: fix possible races in less common IPv6 features - tcp: auth: don't consider TCP_CLOSE to be in TCP_AO_ESTABLISHED - ax25: fix two refcounting bugs - eth: ionic: fix kernel panic in XDP_TX action Misc: - tcp: count CLOSE-WAIT sockets for TCP_MIB_CURRESTAB" * tag 'net-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (107 commits) selftests: net: lib: set 'i' as local selftests: net: lib: avoid error removing empty netns name selftests: net: lib: support errexit with busywait net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool() ipv6: fix possible race in __fib6_drop_pcpu_from() af_unix: Annotate data-race of sk->sk_shutdown in sk_diag_fill(). af_unix: Use skb_queue_len_lockless() in sk_diag_show_rqlen(). af_unix: Use skb_queue_empty_lockless() in unix_release_sock(). af_unix: Use unix_recvq_full_lockless() in unix_stream_connect(). af_unix: Annotate data-race of net->unx.sysctl_max_dgram_qlen. af_unix: Annotate data-races around sk->sk_sndbuf. af_unix: Annotate data-races around sk->sk_state in UNIX_DIAG. af_unix: Annotate data-race of sk->sk_state in unix_stream_read_skb(). af_unix: Annotate data-races around sk->sk_state in sendmsg() and recvmsg(). af_unix: Annotate data-race of sk->sk_state in unix_accept(). af_unix: Annotate data-race of sk->sk_state in unix_stream_connect(). af_unix: Annotate data-races around sk->sk_state in unix_write_space() and poll(). af_unix: Annotate data-race of sk->sk_state in unix_inq_len(). af_unix: Annodate data-races around sk->sk_state for writers. af_unix: Set sk->sk_state under unix_state_lock() for truly disconencted peer. ...
2024-06-06mm/util: Swap kmemdup_array() argumentsJean-Philippe Brucker
GCC 14.1 complains about the argument usage of kmemdup_array(): drivers/soc/tegra/fuse/fuse-tegra.c:130:65: error: 'kmemdup_array' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Werror=calloc-transposed-args] 130 | fuse->lookups = kmemdup_array(fuse->soc->lookups, sizeof(*fuse->lookups), | ^ drivers/soc/tegra/fuse/fuse-tegra.c:130:65: note: earlier argument should specify number of elements, later size of each element The annotation introduced by commit 7d78a7773355 ("string: Add additional __realloc_size() annotations for "dup" helpers") lets the compiler think that kmemdup_array() follows the same format as calloc(), with the number of elements preceding the size of one element. So we could simply swap the arguments to __realloc_size() to get rid of that warning, but it seems cleaner to instead have kmemdup_array() follow the same format as krealloc_array(), memdup_array_user(), calloc() etc. Fixes: 7d78a7773355 ("string: Add additional __realloc_size() annotations for "dup" helpers") Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20240606144608.97817-2-jean-philippe@linaro.org Signed-off-by: Kees Cook <kees@kernel.org>
2024-06-04lib/math: add missing MODULE_DESCRIPTION() macrosJeff Johnson
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/math/prime_numbers.o WARNING: modpost: missing MODULE_DESCRIPTION() in lib/math/rational-test.o Add the missing invocations of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20240531-md-lib-math-v1-1-11a3bec51ebb@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-04dyndbg: add missing MODULE_DESCRIPTION() macroJeff Johnson
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_dynamic_debug.o Add the missing invocation of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20240531-md-test_dynamic_debug-v1-1-2194b477f55e@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-03lib/test_rhashtable: add missing MODULE_DESCRIPTION() macroJeff Johnson
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_rhashtable.o Add the missing invocation of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20240531-md-lib-test_rhashtable-v1-1-cd6d4138f1b6@quicinc.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-06-03list: test: remove unused struct 'klist_test_struct'Dr. David Alan Gilbert
'klist_test_struct' has been unused since the original commit 57b4f760f94d ("list: test: Test the klist structure"). Remove it. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-03test_bpf: Add missing MODULE_DESCRIPTION()Jeff Johnson
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_bpf.o Add the missing invocation of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20240531-md-lib-test_bpf-v1-1-868e4bd2f9ed@quicinc.com
2024-05-31kunit/fortify: Remove __kmalloc_node() testKees Cook
__kmalloc_node() is considered an "internal" function to the Slab, so drop it from explicit testing. Link: https://lore.kernel.org/r/20240531185703.work.588-kees@kernel.org Signed-off-by: Kees Cook <kees@kernel.org>
2024-05-30kunit: Cover 'assert.c' with testsIvan Orlov
There are multiple assertion formatting functions in the `assert.c` file, which are not covered with tests yet. Implement the KUnit test for these functions. The test consists of 11 test cases for the following functions: 1) 'is_literal' 2) 'is_str_literal' 3) 'kunit_assert_prologue', test case for multiple assert types 4) 'kunit_assert_print_msg' 5) 'kunit_unary_assert_format' 6) 'kunit_ptr_not_err_assert_format' 7) 'kunit_binary_assert_format' 8) 'kunit_binary_ptr_assert_format' 9) 'kunit_binary_str_assert_format' 10) 'kunit_assert_hexdump' 11) 'kunit_mem_assert_format' The test aims at maximizing the branch coverage for the assertion formatting functions. As you can see, it covers some of the static helper functions as well, so mark the static functions in `assert.c` as 'VISIBLE_IF_KUNIT' and conditionally export them with EXPORT_SYMBOL_IF_KUNIT. Add the corresponding definitions to `assert.h`. Build the assert test when CONFIG_KUNIT_TEST is enabled, similar to how it is done for the string stream test. Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com> Reviewed-by: Rae Moar <rmoar@google.com> Acked-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-05-28mm, slab: don't wrap internal functions with alloc_hooks()Vlastimil Babka
The functions __kmalloc_noprof(), kmalloc_large_noprof(), kmalloc_trace_noprof() and their _node variants are all internal to the implementations of kmalloc_noprof() and kmalloc_node_noprof() and are only declared in the "public" slab.h and exported so that those implementations can be static inline and distinguish the build-time constant size variants. The only other users for some of the internal functions are slub_kunit and fortify_kunit tests which make very short-lived allocations. Therefore we can stop wrapping them with the alloc_hooks() macro. Instead add a __ prefix to all of them and a comment documenting these as internal. Also rename __kmalloc_trace() to __kmalloc_cache() which is more descriptive - it is a variant of __kmalloc() where the exact kmalloc cache has been already determined. The usage in fortify_kunit can be removed completely, as the internal functions should be tested already through kmalloc() tests in the test variant that passes non-constant allocation size. Reported-by: Kent Overstreet <kent.overstreet@linux.dev> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Kees Cook <keescook@chromium.org> Reviewed-by: Kent Overstreet <kent.overstreet@linux.dev> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
2024-05-27Merge drm/drm-next into drm-misc-nextMaxime Ripard
Let's start the new release cycle. Signed-off-by: Maxime Ripard <mripard@kernel.org>
2024-05-25Merge tag 'mm-hotfixes-stable-2024-05-25-09-13' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "16 hotfixes, 11 of which are cc:stable. A few nilfs2 fixes, the remainder are for MM: a couple of selftests fixes, various singletons fixing various issues in various parts" * tag 'mm-hotfixes-stable-2024-05-25-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/ksm: fix possible UAF of stable_node mm/memory-failure: fix handling of dissolved but not taken off from buddy pages mm: /proc/pid/smaps_rollup: avoid skipping vma after getting mmap_lock again nilfs2: fix potential hang in nilfs_detach_log_writer() nilfs2: fix unexpected freezing of nilfs_segctor_sync() nilfs2: fix use-after-free of timer for log writer thread selftests/mm: fix build warnings on ppc64 arm64: patching: fix handling of execmem addresses selftests/mm: compaction_test: fix bogus test success and reduce probability of OOM-killer invocation selftests/mm: compaction_test: fix incorrect write of zero to nr_hugepages selftests/mm: compaction_test: fix bogus test success on Aarch64 mailmap: update email address for Satya Priya mm/huge_memory: don't unpoison huge_zero_folio kasan, fortify: properly rename memintrinsics lib: add version into /proc/allocinfo output mm/vmalloc: fix vmalloc which may return null if called with __GFP_NOFAIL
2024-05-24lib: add version into /proc/allocinfo outputSuren Baghdasaryan
Add version string and a header at the beginning of /proc/allocinfo to allow later format changes. Example output: > head /proc/allocinfo allocinfo - version: 1.0 # <size> <calls> <tag info> 0 0 init/main.c:1314 func:do_initcalls 0 0 init/do_mounts.c:353 func:mount_nodev_root 0 0 init/do_mounts.c:187 func:mount_root_generic 0 0 init/do_mounts.c:158 func:do_mount_root 0 0 init/initramfs.c:493 func:unpack_to_rootfs 0 0 init/initramfs.c:492 func:unpack_to_rootfs 0 0 init/initramfs.c:491 func:unpack_to_rootfs 512 1 arch/x86/events/rapl.c:681 func:init_rapl_pmus 128 1 arch/x86/events/rapl.c:571 func:rapl_cpu_online [akpm@linux-foundation.org: remove stray newline from struct allocinfo_private] Link: https://lkml.kernel.org/r/20240514163128.3662251-1-surenb@google.com Signed-off-by: Suren Baghdasaryan <surenb@google.com> Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-24Merge tag 'hardening-v6.10-rc1-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening fixes from Kees Cook: - loadpin: Prevent SECURITY_LOADPIN_ENFORCE=y without module decompression (Stephen Boyd) - ubsan: Restore dependency on ARCH_HAS_UBSAN - kunit/fortify: Fix memcmp() test to be amplitude agnostic * tag 'hardening-v6.10-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: kunit/fortify: Fix memcmp() test to be amplitude agnostic ubsan: Restore dependency on ARCH_HAS_UBSAN loadpin: Prevent SECURITY_LOADPIN_ENFORCE=y without module decompression
2024-05-22Merge tag 'mm-nonmm-stable-2024-05-22-17-30' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull more non-mm updates from Andrew Morton: - A series ("kbuild: enable more warnings by default") from Arnd Bergmann which enables a number of additional build-time warnings. We fixed all the fallout which we could find, there may still be a few stragglers. - Samuel Holland has developed the series "Unified cross-architecture kernel-mode FPU API". This does a lot of consolidation of per-architecture kernel-mode FPU usage and enables the use of newer AMD GPUs on RISC-V. - Tao Su has fixed some selftests build warnings in the series "Selftests: Fix compilation warnings due to missing _GNU_SOURCE definition". - This pull also includes a nilfs2 fixup from Ryusuke Konishi. * tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits) nilfs2: make block erasure safe in nilfs_finish_roll_forward() selftests/harness: use 1024 in place of LINE_MAX Revert "selftests/harness: remove use of LINE_MAX" selftests/fpu: allow building on other architectures selftests/fpu: move FP code to a separate translation unit drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT drm/amd/display: only use hard-float, not altivec on powerpc riscv: add support for kernel-mode FPU x86: implement ARCH_HAS_KERNEL_FPU_SUPPORT powerpc: implement ARCH_HAS_KERNEL_FPU_SUPPORT LoongArch: implement ARCH_HAS_KERNEL_FPU_SUPPORT lib/raid6: use CC_FLAGS_FPU for NEON CFLAGS arm64: crypto: use CC_FLAGS_FPU for NEON CFLAGS arm64: implement ARCH_HAS_KERNEL_FPU_SUPPORT ARM: crypto: use CC_FLAGS_FPU for NEON CFLAGS ARM: implement ARCH_HAS_KERNEL_FPU_SUPPORT arch: add ARCH_HAS_KERNEL_FPU_SUPPORT x86/fpu: fix asm/fpu/types.h include guard kbuild: enable -Wcast-function-type-strict unconditionally kbuild: enable -Wformat-truncation on clang ...
2024-05-22Merge tag 'mm-stable-2024-05-22-17-22' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull more mm updates from Andrew Morton: "A series from Dave Chinner which cleans up and fixes the handling of nested allocations within stackdepot and page-owner" * tag 'mm-stable-2024-05-22-17-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/page-owner: use gfp_nested_mask() instead of open coded masking stackdepot: use gfp_nested_mask() instead of open coded masking mm: lift gfp_kmemleak_mask() to gfp.h
2024-05-22Merge tag 'tty-6.10-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty / serial updates from Greg KH: "Here is the big set of tty/serial driver changes for 6.10-rc1. Included in here are: - Usual good set of api cleanups and evolution by Jiri Slaby to make the serial interfaces move out of the 1990's by using kfifos instead of hand-rolling their own logic. - 8250_exar driver updates - max3100 driver updates - sc16is7xx driver updates - exar driver updates - sh-sci driver updates - tty ldisc api addition to help refuse bindings - other smaller serial driver updates All of these have been in linux-next for a while with no reported issues" * tag 'tty-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (113 commits) serial: Clear UPF_DEAD before calling tty_port_register_device_attr_serdev() serial: imx: Raise TX trigger level to 8 serial: 8250_pnp: Simplify "line" related code serial: sh-sci: simplify locking when re-issuing RXDMA fails serial: sh-sci: let timeout timer only run when DMA is scheduled serial: sh-sci: describe locking requirements for invalidating RXDMA serial: sh-sci: protect invalidating RXDMA on shutdown tty: add the option to have a tty reject a new ldisc serial: core: Call device_set_awake_path() for console port dt-bindings: serial: brcm,bcm2835-aux-uart: convert to dtschema tty: serial: uartps: Add support for uartps controller reset arm64: zynqmp: Add resets property for UART nodes dt-bindings: serial: cdns,uart: Add optional reset property serial: 8250_pnp: Switch to DEFINE_SIMPLE_DEV_PM_OPS() serial: 8250_exar: Keep the includes sorted serial: 8250_exar: Make type of bit the same in exar_ee_*_bit() serial: 8250_exar: Use BIT() in exar_ee_read() serial: 8250_exar: Switch to use dev_err_probe() serial: 8250_exar: Return directly from switch-cases serial: 8250_exar: Decrease indentation level ...
2024-05-21Merge tag 'bitmap-for-6.10v2' of https://github.com/norov/linuxLinus Torvalds
Pull bitmap updates from Yury Norov: - topology_span_sane() optimization from Kyle Meyer - fns() rework from Kuan-Wei Chiu (used in cpumask_local_spread() and other places) - headers cleanup from Andy - add a MAINTAINERS record for bitops API * tag 'bitmap-for-6.10v2' of https://github.com/norov/linux: usercopy: Don't use "proxy" headers bitops: Move aligned_byte_mask() to wordpart.h MAINTAINERS: add BITOPS API record bitmap: relax find_nth_bit() limitation on return value lib: make test_bitops compilable into the kernel image bitops: Optimize fns() for improved performance lib/test_bitops: Add benchmark test for fns() Compiler Attributes: Add __always_used macro sched/topology: Optimize topology_span_sane() cpumask: Add for_each_cpu_from()
2024-05-21Merge tag 'pull-bd_flags-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull bdev flags update from Al Viro: "Compactifying bdev flags. We can easily have up to 24 flags with sane atomicity, _without_ pushing anything out of the first cacheline of struct block_device" * tag 'pull-bd_flags-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: bdev: move ->bd_make_it_fail to ->__bd_flags bdev: move ->bd_ro_warned to ->__bd_flags bdev: move ->bd_has_subit_bio to ->__bd_flags bdev: move ->bd_write_holder into ->__bd_flags bdev: move ->bd_read_only to ->__bd_flags bdev: infrastructure for flags wrapper for access to ->bd_partno Use bdev_is_paritition() instead of open-coding it
2024-05-19usercopy: Don't use "proxy" headersAndy Shevchenko
Update header inclusions to follow IWYU (Include What You Use) principle. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Yury Norov <yury.norov@gmail.com>
2024-05-19bitops: Move aligned_byte_mask() to wordpart.hAndy Shevchenko
The bitops.h is for bit related operations. The aligned_byte_mask() is about byte (or part of the machine word) operations, for which we have a separate header, move the mentioned macro to wordpart.h to consolidate similar operations. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Yury Norov <yury.norov@gmail.com>
2024-05-19stackdepot: use gfp_nested_mask() instead of open coded maskingDave Chinner
The stackdepot code is used by KASAN and lockdep for recoding stack traces. Both of these track allocation context information, and so their internal allocations must obey the caller allocation contexts to avoid generating their own false positive warnings that have nothing to do with the code they are instrumenting/tracking. We also don't want recording stack traces to deplete emergency memory reserves - debug code is useless if it creates new issues that can't be replicated when the debug code is disabled. Switch the stackdepot allocation masking to use gfp_nested_mask() to address these issues. gfp_nested_mask() also strips GFP_ZONEMASK naturally, so that greatly simplifies this code. Link: https://lkml.kernel.org/r/20240430054604.4169568-3-david@fromorbit.com Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Oscar Salvador <osalvador@suse.de> Cc: Andrey Konovalov <andreyknvl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-19selftests/fpu: allow building on other architecturesSamuel Holland
Now that ARCH_HAS_KERNEL_FPU_SUPPORT provides a common way to compile and run floating-point code, this test is no longer x86-specific. Link: https://lkml.kernel.org/r/20240329072441.591471-16-samuel.holland@sifive.com Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Borislav Petkov (AMD) <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Cc: Palmer Dabbelt <palmer@rivosinc.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: WANG Xuerui <git@xen0n.name> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
generated by cgit (git 2.34.1) at 2025-07-18 14:51:20 +0000