Re: [patch 134/149] x86, paravirt: Add a global synchronization point for pvclock

H. Peter Anvin
2010-07-27T17:53:42Z

On 07/27/2010 10:46 AM, Jeremy Fitzhardinge wrote:
> On 07/13/2010 11:15 AM, Linus Torvalds wrote:
>> On Tue, Jul 13, 2010 at 11:04 AM, Avi Kivity<avi@redhat.com> wrote:
>>> Well, current upstream uses "m":
>> Yes, I'd expect current 2.6.34 to also show the same problem.
>>
>>> and works; I also failed to reproduce with 2.6.32.16. So I expect some
>>> toolchain involvement.
>> And yes, I do believe it's likely a newer gcc that triggers it too,
>> otherwise we'd have seen more reports of it.
>
> Did anyone get around to doing a proper fix for this? I don't see one
> in tip.git or linux-2.6.git. And it needs to get back into stable...
>

I'll go ahead and write it up.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.