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

Jeremy Fitzhardinge
2007-03-02T00:58:59Z

Zachary Amsden wrote:
>>
>> Things like what? Do you mean the %[foo] asm parameter syntax? I think
>> those versions are no longer supported - Arjan posted a patch a few days
>> ago to convert a pile of asms to this form. Or do you mean something
>> else?
>>
>
> I meant having an output in the clobber list,

There's no output in the clobber list, just "memory" and "cc". The
paravirt_clobber() is the stuff which gets put in the .parainstructions
section which tells the patcher what registers are expected to be
modified at that callsite (including both temp and output registers).

J