Re: [patch, 2.6.22-rc6] fix nmi_watchdog=2 bootup hang

[Jeremy Fitzhardinge]

Björn Steinbrink wrote:
> On 2007.06.25 10:26:52 +0200, Ingo Molnar wrote:
>   
> > * Ingo Molnar <mingo@xxxxxxx> wrote:
> >
> >     
> > > the winner is ...
> > >
> > >  f8822f42019eceed19cc6c0f985a489e17796ed8 is first bad commit
> > >  commit f8822f42019eceed19cc6c0f985a489e17796ed8
> > >  Author: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
> > >  Date:   Wed May 2 19:27:14 2007 +0200
> > >
> > >     [PATCH] i386: PARAVIRT: Consistently wrap paravirt ops callsites to make them patchable
> > >       
> > and of course i'm happy to test any patch that is simpler than the 
> > brutal revert i sent.
> >     
>
> wrmsrl() looks broken, dropping the upper 32bits of the value to be
> written. Does this help?
>   

Crap.  That's embarrassing.  Does it help, because it seems likely?  
(Esp since Ingo didn't even have CONFIG_PARAVIRT enabled, so most of his 
revert would have been dead code anyway.)

   J
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