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

from [Hollis Blanchard]

[Permanent Link][Original]

To:	Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
Subject:	Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page()
From:	Hollis Blanchard <hollisb@xxxxxxxxxx>
Date:	Mon, 28 Aug 2006 10:49:37 -0500
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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?

Is that also the case for copy_page()?

-- 
Hollis Blanchard
IBM Linux Technology Center


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[XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), poff Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Jimi Xenidis Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), poff Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Jimi Xenidis Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Hollis Blanchard Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Jimi Xenidis Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Hollis Blanchard <= Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Jimi Xenidis Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Hollis Blanchard Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Jimi Xenidis Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Hollis Blanchard Re: [XenPPC] PATCH: Inline assembler for clear_page() and copy_page(), Segher Boessenkool

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