[GIT PULL] asm-generic updates for 6.11
Johan Hovold
johan at kernel.org
Wed Jul 17 01:17:11 PDT 2024
On Wed, Jul 17, 2024 at 10:01:10AM +0200, Arnd Bergmann wrote:
> On Wed, Jul 17, 2024, at 08:41, Johan Hovold wrote:
> > FWIW, I noticed this last Friday as well when I did a few builds of
> > linux-next and every change I made triggered what appeared to be a full
> > rebuild of the tree.
> >
> > This was with a trimmed config [1] and separate build tree (tmpfs).
>
> Thanks, that makes it quicker to try out. I'm now using
> your config to do more testing. I still don't see it with
> a normal build though.
>
> I do see that setting the timestamp of syscall.tbl to
> a future date does result in always rebuilding everything,
> but I don't think that is what you are seeing, since that
> also produces a warning from make:
>
> arnd at studio:~/arm-soc/build/bisect$ touch -t 202501010000 arch/x86/entry/syscalls/syscall_64.tbl
> arnd at studio:~/arm-soc/build/bisect$ make ARCH=x86 CROSS_COMPILE=x86_64-linux-
> make[2]: Warning: File 'arch/x86/entry/syscalls/syscall_64.tbl' has modification time 14483017 s in the future
> SYSHDR arch/x86/include/generated/uapi/asm/unistd_64.h
> SYSHDR arch/x86/include/generated/uapi/asm/unistd_x32.h
> SYSHDR arch/x86/include/generated/asm/unistd_64_x32.h
> SYSTBL arch/x86/include/generated/asm/syscalls_64.h
> make[2]: warning: Clock skew detected. Your build may be incomplete.
Yeah, that's not something I noticed at least (and I assume I would
have). And I only did aarch64 builds on a 6.9 x86_64 host (make 4.4.1).
Johan
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