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[XenPPC] copy_4K_page() doesn't use dcbtst?
| To: | Paul Mackerras <paulus@xxxxxxxxx> |
|---|---|
| Subject: | [XenPPC] copy_4K_page() doesn't use dcbtst? |
| From: | Hollis Blanchard <hollisb@xxxxxxxxxx> |
| Date: | Mon, 28 Aug 2006 12:35:23 -0500 |
| Cc: | linuxppc-dev <linuxppc-dev@xxxxxxxxxx>, xen-ppc-devel <xen-ppc-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Mon, 28 Aug 2006 10:34:57 -0700 |
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| Organization: | IBM Linux Technology Center |
| Sender: | xen-ppc-devel-bounces@xxxxxxxxxxxxxxxxxxx |
Hi Paul, some Xen people were just noticing that copy_4K_page (arch/powerpc/lib/copypage_64.S) doesn't use the dcbtst instruction. Why doesn't it help there? -- Hollis Blanchard IBM Linux Technology Center _______________________________________________ Xen-ppc-devel mailing list Xen-ppc-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-ppc-devel |
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