linux-kernel - Re: [PATCH 8/9] jump label: Make arch_jump_label_text_poke

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Message-ID: <1287176910.16971.2.camel@gandalf.stny.rr.com>
Date:	Fri, 15 Oct 2010 17:08:30 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jason Baron <jbaron@...hat.com>,
	David Miller <davem@...emloft.net>,
	David Daney <ddaney@...iumnetworks.com>
Subject: Re: [PATCH 8/9] jump label: Make arch_jump_label_text_poke_early()
 optional

On Fri, 2010-10-15 at 23:06 +0200, Peter Zijlstra wrote:
> On Fri, 2010-10-15 at 16:09 -0400, Steven Rostedt wrote:
> > +
> > +#ifdef HAVE_ARCH_JUMP_LABEL_TEXT_POKE_EARLY
> >  extern void arch_jump_label_text_poke_early(jump_label_t addr);
> > +#else
> > +static inline void arch_jump_label_text_poke_early(jump_label_t addr) {}
> > +#endif
> > + 
> 
> How often is this called, do we really need to avoid that call? It looks
> like init code.

Yeah, that's a good point.

What's the harm in doing a stub in the mips code here?

-- Steve


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