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Date: Tue, 23 Feb 2010 19:18:34 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: [Qemu-devel] Re: gcc 4.4 miscompiling cpu_exec() ?
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To: Jay Foad <jay.foad@gmail.com>
Cc: qemu-devel@nongnu.org

On 02/23/2010 07:17 PM, Jay Foad wrote:
>> Can you try this patch:
>
> It works! Thanks.
>
>> and if it works, possibly only each hunk of it?
>
> Just the first hunk: works!
> Just the second hunk: doesn't work
>
> Can you explain why the volatile is necessary? Or is it working around
> a problem with the compiler?

I don't know exactly without checking, but these were the main changes 
introduced by my 24ebf5f31a178051cff1a4aab5ba621037191577 patch.  I'll 
send it out shortly.

Paolo