On Thu, 24 Dec 2020 02:11:41 +0900, Masahiro Yamada wrote:
> vgettimeofday.o is unnecessarily rebuilt. Adding it to 'targets' is not
> enough to fix the issue. Kbuild is correctly rebuilding it because the
> command line is changed.
>
> PowerPC builds each vdso directory twice; first in vdso_prepare to
> generate vdso{32,64}-offsets.h, second as part of the ordinary build
> process to embed vdso{32,64}.so.dbg into the kernel.
>
> [...]
Applied to powerpc/fixes.
[1/2] powerpc/vdso: fix unnecessary rebuilds of vgettimeofday.o
https://git.kernel.org/powerpc/c/bce74491c3008e27dd6e8f79a83b4faa77a08f7e
[2/2] powerpc/vdso64: remove meaningless vgettimeofday.o build rule
https://git.kernel.org/powerpc/c/66f0a9e058fad50e569ad752be72e52701991fd5
cheers
