linux-kernel - Re: lockref: Use bloated_spinlocks to avoid explicit config dependencies

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Message-ID: <20131106143214.GP10651@twins.programming.kicks-ass.net>
Date:	Wed, 6 Nov 2013 15:32:14 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-arch@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: lockref: Use bloated_spinlocks to avoid explicit config
 dependencies

On Wed, Nov 06, 2013 at 03:31:12PM +0200, Kirill A. Shutemov wrote:
> Should we get rid of CONFIG_CMPXCHG_LOCKREF completely and have here:
> 
> #if defined(CONFIG_ARCH_USE_CMPXCHG_LOCKREF) && \
> 	defined(CONFIG_SMP) && !BLOATED_SPINLOCKS
> 

Yeah, that might make more sense.
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