--
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.
-- Steve
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