From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e4.ny.us.ibm.com (e4.ny.us.ibm.com [32.97.182.144]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e4.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id E748F679A6 for ; Tue, 29 Aug 2006 03:34:52 +1000 (EST) Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e4.ny.us.ibm.com (8.13.8/8.12.11) with ESMTP id k7SHYnBQ000750 for ; Mon, 28 Aug 2006 13:34:49 -0400 Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay04.pok.ibm.com (8.13.6/8.13.6/NCO v8.1.1) with ESMTP id k7SHYnPH243642 for ; Mon, 28 Aug 2006 13:34:49 -0400 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id k7SHYm5M001266 for ; Mon, 28 Aug 2006 13:34:48 -0400 Subject: copy_4K_page() doesn't use dcbtst? From: Hollis Blanchard To: Paul Mackerras Content-Type: text/plain Date: Mon, 28 Aug 2006 12:35:23 -0500 Message-Id: <1156786523.28490.52.camel@basalt.austin.ibm.com> Mime-Version: 1.0 Cc: linuxppc-dev , xen-ppc-devel List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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