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

Jeremy Fitzhardinge
2007-03-16T17:37:50Z

Ingo Molnar wrote:
> * Jeremy Fitzhardinge <jeremy@goop.org> 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