linux-kernel - Re: sparc64 BUG: using smp_processor

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Message-Id: <20080326202502.f06938bd.akpm@linux-foundation.org>
Date:	Wed, 26 Mar 2008 20:25:02 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>
Cc:	m.kozlowski@...land.pl, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: sparc64 BUG: using smp_processor_id() in preemptible

On Wed, 26 Mar 2008 04:25:16 -0700 (PDT) David Miller <davem@...emloft.net> wrote:

>  	preempt_disable();
>  
> +	mp = &__get_cpu_var(mmu_gathers);

that's an open-coded get_cpu_var().

fwiw.  Which isn't much, IMO.  Sometimes it's nice to see things open-coded.
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