Steven Rostedt wrote:
> --
> On Thu, 9 Aug 2007, Andi Kleen wrote:
>
>>> This has to match the normal C calling convention though, doesn't it?
>>>
>> Native cli/sti/save/restore_flags are all only assembly and can be easily
>> (in fact more easily than in C) written as pure assembler functions. Then
>> you can use whatever calling convention you want.
>>
>
> I agree.
> Should we make a paravirt_ops_asm.S file that can implement these native
> funcions, and so we can get rid of the C functions only doing asm?
>
>
>> While some paravirt implementations may have more complicated implementations
>> i guess it's still a reasonable requirement to make them simple enough
>> in pure assembler. If not they can use a trampoline, but that's hopefully
>> not needed.
>>
>
> It works for lguest64. I'm sure it should be no problem with other HVs.
>
Hm, I can't say the idea thrills me. Lets get the thing working first,
and then worry about having special per-pvop calling conventions.
J
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