linux-kernel - Re: [PATCH 1/3] jump_label: Allow asm/jump

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Message-ID: <20150409070813.GM27490@worktop.programming.kicks-ass.net>
Date:	Thu, 9 Apr 2015 09:08:13 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Anton Blanchard <anton@...ba.org>
Cc:	benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
	mmarek@...e.cz, akpm@...ux-foundation.org, jbaron@...mai.com,
	liuj97@...il.com, mingo@...nel.org, mgorman@...e.de,
	linux@....linux.org.uk, catalin.marinas@....com,
	will.deacon@....com, ralf@...ux-mips.org, schwidefsky@...ibm.com,
	heiko.carstens@...ibm.com, davem@...emloft.net, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, rostedt@...dmis.org,
	linuxppc-dev@...ts.ozlabs.org, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] jump_label: Allow asm/jump_label.h to be included in
 assembly

On Thu, Apr 09, 2015 at 01:51:30PM +1000, Anton Blanchard wrote:
> Wrap asm/jump_label.h for all archs with #ifndef __ASSEMBLY__.
> Since these are kernel only headers, we don't need #ifdef __KERNEL__
> so can simplify things a bit.
> 
> If an architecture wants to use jump labels in assembly, it
> will still need to define a macro to create the __jump_table
> entries (see ARCH_STATIC_BRANCH in the powerpc asm/jump_label.h
> for an example).
> 
> Signed-off-by: Anton Blanchard <anton@...ba.org>

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
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