linux-kernel - Re: Kernel broken on processors without performance counters

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Message-ID: <20150709171127.GB19282@twins.programming.kicks-ass.net>
Date:	Thu, 9 Jul 2015 19:11:28 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jason Baron <jasonbaron0@...il.com>
Cc:	Andy Lutomirski <luto@...capital.net>,
	Mikulas Patocka <mpatocka@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Kees Cook <keescook@...omium.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Vince Weaver <vince@...ter.net>,
	"hillf.zj" <hillf.zj@...baba-inc.com>,
	Valdis Kletnieks <Valdis.Kletnieks@...edu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Kernel broken on processors without performance counters

On Wed, Jul 08, 2015 at 04:04:32PM -0400, Jason Baron wrote:
> So the 'static_key_false' is really branch is initially false. We had
> a naming discussion before, but if ppl think its confusing,
> 'static_key_init_false', or 'static_key_default_false' might be better,
> or other ideas.... I agree its confusing.

Jason, while I have you here on the subject; mind posting that true/fase
thing again? That makes more sense than the inc/dec thing for some usage
sites.


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