On Fri, Jul 12, 2019 at 7:16 PM Naohiro Aota <naohiro.a...@wdc.com> wrote:
>
> Running "make" on an already compiled kernel tree will rebuild the kernel
> even without any modifications:
>
> $ make ARCH=arm64 CROSS_COMPILE=/usr/bin/aarch64-unknown-linux-gnu-
> arch/arm64/Makefile:58: CROSS_COMPILE_COMPAT not defined or empty, the compat
> vDSO will not be built
> CALL scripts/checksyscalls.sh
> CALL scripts/atomic/check-atomics.sh
> VDSOCHK arch/arm64/kernel/vdso/vdso.so.dbg
> VDSOSYM include/generated/vdso-offsets.h
> CHK include/generated/compile.h
> CC arch/arm64/kernel/signal.o
> CC arch/arm64/kernel/vdso.o
> CC arch/arm64/kernel/signal32.o
> LD arch/arm64/kernel/vdso/vdso.so.dbg
> OBJCOPY arch/arm64/kernel/vdso/vdso.so
> AS arch/arm64/kernel/vdso/vdso.o
> AR arch/arm64/kernel/vdso/built-in.a
> AR arch/arm64/kernel/built-in.a
> GEN .version
> CHK include/generated/compile.h
> UPD include/generated/compile.h
> CC init/version.o
> AR init/built-in.a
> LD vmlinux.o
>
> This is the same bug fixed in commit 92a4728608a8 ("x86/boot: Fix
> if_changed build flip/flop bug"). We cannot use two "if_changed" in one
> target. Fix this build bug by merging two commands into one function.
>
> Cc: Masahiro Yamada <yamada.masah...@socionext.com>
> Fixes: 28b1a824a4f4 ("arm64: vdso: Substitute gettimeofday() with C
> implementation")
> Signed-off-by: Naohiro Aota <naohiro.a...@wdc.com>
> ---
Reviewed-by: Masahiro Yamada <yamada.masah...@socionext.com>
--
Best Regards
Masahiro Yamada
