[Xen-devel] Re: [patch 12/26] Xen-paravirt_ops: Fix patch site clobbers to include return register

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Ingo Molnar wrote:
> * Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
>
>   
>> Fix a few clobbers to include the return register.  The clobbers set 
>> is the set of all registers modified (or may be modified) by the code 
>> snippet, regardless of whether it was deliberate or accidental.
>>     
>
> i guess we need these paravirt.h clobber fixes for v2.6.21 (VMI) too, 
> correct?

No, I don't think so.  These aren't gcc-style clobbers, but a marker in
the .parainstruction section about what registers may be clobbered by
the patched in code.   VMI doesn't use that info, and/or doesn't clobber
more than is allowed at each site, so it isn't an issue.

    J

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