Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page()

[Jimi Xenidis <jimix@xxxxxxxxxxxxxx>]

On Aug 28, 2006, at 11:49 AM, Hollis Blanchard wrote:

> On Mon, 2006-08-28 at 11:31 -0400, Jimi Xenidis wrote:
> > On Aug 28, 2006, at 10:50 AM, Hollis Blanchard wrote:
> >
> > > Also, it looks like you've removed support for mambo_memcpy(). I  
> > > don't
> > > use Mambo *ahem* systemsim myself, but that seems worth keeping. I
> > > guess
> > > you could rename the function while you're in there. :)
> > if we get these down to dcbz's then system performance is fine and am
> > happy to drop.
> I think you're saying that if we have a clear_page() loop that uses
> dcbz, systemsim performance is fine. Is that correct?
yes
> Is that also the case for copy_page()?
No but it is not called to often, infact not at all AFAICT. I just  
removed it and build fine :)
Thats not to say that there aren't any opportunities to use it.





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