Re: [PATCH] prctl: return MCE process flags through pointer

[Andrew Morton]

On Wed, 23 Dec 2009 02:14:51 +0100 Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:

> "Smith, GeoffX" <geoffx.smith@xxxxxxxxx> writes:
> 
> > This patch fixes the semantics of prctl() option PR_MCE_KILL_GET 
> > to pass the return value through *arg2.
> >
> > With this change, the option now follows the same conventions as the
> > other "get" options added since 2.6.0, and also brings it into
> > conformance with the advice in chapter 16 of Documentation/CodingStyle.
> >
> > This prctl() option was only added within the last month, so there are
> > not any production applications to break.  This patch applies cleanly
> > to mainline and to 2.6.32.2 for backporting.
> 
> It breaks the test suite, the man pages, qemu and one slide deck at least.
> 

Should've got it right the first time.

What goes wrong with qemu?
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