Messages in this thread | | | Date | Tue, 4 Jun 2019 11:30:32 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 4.19 29/32] jump_label: move asm goto support test to Kconfig |
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On Mon 2019-06-03 11:08:23, Greg Kroah-Hartman wrote: > From: Masahiro Yamada <yamada.masahiro@socionext.com> > > commit e9666d10a5677a494260d60d1fa0b73cc7646eb3 upstream. > > 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@socionext.com> > Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) > Tested-by: Sedat Dilek <sedat.dilek@gmail.com> > [nc: Fix trivial conflicts in 4.19 > arch/xtensa/kernel/jump_label.c doesn't exist yet > Ensured CC_HAVE_ASM_GOTO and HAVE_JUMP_LABEL were sufficiently > eliminated] > Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This does not matche stable-kernel rules. It is nice cleanup, but it does not really fix any bug (does it?), and resulting patch is too big.
Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [unhandled content-type:application/pgp-signature] | |