Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> writes: > Currently, CONFIG_JUMP_LABEL just means "I _want_ to use jump label". > > The jump label is controlled by HAVE_JUMP_LABEL, which is defined > like this: > > #if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) > # define HAVE_JUMP_LABEL > #endif > > We can improve this by testing 'asm goto' support in Kconfig, then > make JUMP_LABEL depend on CC_HAS_ASM_GOTO. > > Ugly #ifdef HAVE_JUMP_LABEL will go away, and CONFIG_JUMP_LABEL will > match to the real kernel capability. > > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> > --- > > This is a trivial conversion from the build system PoV. > I want to queue this up to kbuild tree. > > > Makefile | 7 ------- > arch/Kconfig | 1 + > arch/arm/kernel/jump_label.c | 4 ---- > arch/arm64/kernel/jump_label.c | 4 ---- > arch/mips/kernel/jump_label.c | 4 ---- > arch/powerpc/include/asm/asm-prototypes.h | 2 +- > arch/powerpc/kernel/jump_label.c | 2 -- > arch/powerpc/platforms/powernv/opal-tracepoints.c | 2 +- > arch/powerpc/platforms/powernv/opal-wrappers.S | 2 +- > arch/powerpc/platforms/pseries/hvCall.S | 4 ++-- > arch/powerpc/platforms/pseries/lpar.c | 2 +- Looks OK to me. If there's any odd build errors they should get caught in linux-next. Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers
