Messages in this thread |  | | Date | Thu, 7 May 2026 12:09:25 +0200 | | Subject | Re: [tip: locking/core] locking/rtmutex: Annotate API and implementation | | From | Bart Van Assche <> |
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On 5/7/26 10:43 AM, Nathan Chancellor wrote: > On Tue, May 05, 2026 at 10:55:34AM -0000, tip-bot2 for Bart Van Assche wrote: >> The following commit has been merged into the locking/core branch of tip: >> >> Commit-ID: d30a456aa7ce1bab05d9b364eeacad0c9cb10cc2 >> Gitweb: https://git.kernel.org/tip/d30a456aa7ce1bab05d9b364eeacad0c9cb10cc2 >> Author: Bart Van Assche <bvanassche@acm.org> >> AuthorDate: Tue, 05 May 2026 04:26:44 +02:00 >> Committer: Peter Zijlstra <peterz@infradead.org> >> CommitterDate: Tue, 05 May 2026 12:50:49 +02:00 >> >> locking/rtmutex: Annotate API and implementation >> >> Add lock context annotations to the rtmutex API and implementation and >> enable lock context analysis. >> >> Signed-off-by: Bart Van Assche <bvanassche@acm.org> >> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> >> Link: https://patch.msgid.link/20260505022649.870788-1-bvanassche@acm.org > > This breaks the build for me. > > $ make -skj"$(nproc)" ARCH=x86_64 LLVM=1 mrproper defconfig kernel/locking/rtmutex_api.o > kernel/locking/rtmutex_api.c:93:1: error: expecting rt_mutex 'lock' to be held at the end of function [-Werror,-Wthread-safety-analysis] > 93 | } > | ^ > kernel/locking/rtmutex_api.c:90:14: note: rt_mutex acquired here > 90 | void __sched rt_mutex_lock(struct rt_mutex *lock) > | ^ > 1 error generated. > > This is with LLVM 22.1.5, in case it matters.
Hi Nathan,
I think this is the same error as what has been reported by the kernel test robot (https://lore.kernel.org/all/202605060005.JYWpZXr2-lkp@intel.com/). I plan to post a new version with a fix for CONFIG_DEBUG_LOCK_ALLOC=n soon.
Thanks,
Bart.
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