Messages in this thread | | | From | Arnd Bergmann <> | Date | Thu, 29 Apr 2021 20:26:45 +0200 | Subject | Re: [PATCH] smp: fix smp_call_function_single_async prototype |
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On Thu, Apr 29, 2021 at 8:24 PM 'Nick Desaulniers' via Clang Built Linux <clang-built-linux@googlegroups.com> wrote: > > On Thu, Apr 29, 2021 at 11:17 AM Nick Desaulniers > <ndesaulniers@google.com> wrote: > > > > (replying manually to > > https://lore.kernel.org/lkml/20210429150940.3256656-1-arnd@kernel.org/) > > > > Thanks for the patch; with this applied I observe the following new warnings > > though (for x86_64 defconfig; make LLVM=1 LLVM_IAS=1 -j72) > > > > kernel/smp.c:515:19: warning: passing 8-byte aligned argument to 32-byte > > aligned parameter 1 of 'csd_lock_record' may result in an unaligned pointer > > access [-Walign-mismatch] > > csd_lock_record(csd); > > ^ > > kernel/smp.c:516:14: warning: passing 8-byte aligned argument to 32-byte > > aligned parameter 1 of 'csd_unlock' may result in an unaligned pointer access > > [-Walign-mismatch] > > csd_unlock(csd); > > ^ > > kernel/smp.c:525:14: warning: passing 8-byte aligned argument to 32-byte > > aligned parameter 1 of 'csd_unlock' may result in an unaligned pointer access > > [-Walign-mismatch] > > csd_unlock(csd); > > ^ > > Perhaps roll this into a v2? >
Right, I just did the same thing. I wonder if I failed to hit those because of differences in configuration or because I tested the wrong way.
Either way, I'll give it some more time on the randconfig build machine before I send out v2.
Arnd
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