Re: [XenPPC] copy_page speedup using dcbz on target

To:	poff <poff@xxxxxxxxxxxxxx>
Subject:	Re: [XenPPC] copy_page speedup using dcbz on target
From:	Hollis Blanchard <hollisb@xxxxxxxxxx>
Date:	Fri, 15 Dec 2006 13:14:42 -0600
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On Fri, 2006-12-15 at 11:50 -0500, poff wrote:
> Using dcbz avoids first reading a cache line from memory before
> writing to the line.
> Timing results (starting with clean cache, ie no write-backs for dirty
> lines):

So do you have a patch for copy_page()?

-- 
Hollis Blanchard
IBM Linux Technology Center


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Re: [XenPPC] copy_page speedup using dcbz on target