linux-kernel - Re: [PATCH] x86: fix and improve percpu_cmpxchg{8,16}b

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Message-ID: <20111218084351.GG4144@elte.hu>
Date:	Sun, 18 Dec 2011 09:43:51 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Jan Beulich <JBeulich@...e.com>, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: fix and improve percpu_cmpxchg{8,16}b_double()


* H. Peter Anvin <hpa@...or.com> wrote:

> On 12/14/2011 12:33 AM, Jan Beulich wrote:
> > 
> > At once also change the return value type to what it really is -
> > 'bool'.
> > 
> 
> I have a hazy memory of "bool" not working correctly in inline assembly,
> but it might be ancient history by now.

I too have memory of badness - but i think it was something 
about suboptimal code generated. We'll see any stability 
problems soon enough, now that it's committed :-)

Thanks,

	Ingo
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