linux-kernel - Re: [PATCH] x86: fix percpu_{to,from}

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Message-ID: <20090511192009.GE28684@elte.hu>
Date:	Mon, 11 May 2009 21:20:09 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jan Beulich <JBeulich@...ell.com>, Tejun Heo <tj@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, hpa@...or.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: fix percpu_{to,from}_op()


* Jan Beulich <JBeulich@...ell.com> wrote:

> - the byte operand constraints were wrong for 32-bit
> - the to-op's input operands weren't properly parenthesized
> 
> [ Impact: compilation problem fix ]
> 
> Signed-off-by: Jan Beulich <jbeulich@...ell.com>
> 
> ---
>  arch/x86/include/asm/percpu.h |   10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)

applied to x86/urgent, thanks.

Btw., what kind of compilation problem did you experience? Did GCC 
bail out with a constraint error (which version?), or did you get a 
miscompiled kernel?

	Ingo
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