On Wed, Aug 30, 2023 at 08:33:42AM -0700, Nathan Chancellor wrote:
> Hi Greg and Sasha,
>
> Please consider applying commit 9451c79bc39e ("powerpc/pmac/smp: Avoid
> unused-variable warnings") to 5.4, as it resolves a build failure that
> we see building ppc64_guest_defconfig with clang due to arch/powerpc
> compiling with -Werror by default:
>
> arch/powerpc/platforms/powermac/smp.c:664:26: error: unused variable 'core99_l2_cache' [-Werror,-Wunused-variable]
> 664 | volatile static long int core99_l2_cache;
> | ^~~~~~~~~~~~~~~
> arch/powerpc/platforms/powermac/smp.c:665:26: error: unused variable 'core99_l3_cache' [-Werror,-Wunused-variable]
> 665 | volatile static long int core99_l3_cache;
> | ^~~~~~~~~~~~~~~
> 2 errors generated.
>
> I have verified that it applies cleanly and does not appear to have any
> direct follow up fixes, although commit a4037d1f1fc4 ("powerpc/pmac/smp:
> Drop unnecessary volatile qualifier") was in the same area around the
> same time so maybe it makes sense to take that one as well but I don't
> think it has any functional impact.
Now queued up.
greg k-h
