From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755968AbXLFCOf (ORCPT ); Wed, 5 Dec 2007 21:14:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754563AbXLFCNQ (ORCPT ); Wed, 5 Dec 2007 21:13:16 -0500 Received: from smtp.polymtl.ca ([132.207.4.11]:33972 "EHLO smtp.polymtl.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754478AbXLFCNO (ORCPT ); Wed, 5 Dec 2007 21:13:14 -0500 Message-Id: <20071206021234.272969967@polymtl.ca> References: <20071206020758.035771102@polymtl.ca> User-Agent: quilt/0.46-1 Date: Wed, 05 Dec 2007 21:08:03 -0500 From: Mathieu Desnoyers To: akpm@linux-foundation.org, Ingo Molnar , linux-kernel@vger.kernel.org Cc: Mathieu Desnoyers , Rusty Russell , Christoph Hellwig , Paul Mackerras Subject: [patch 5/7] Add text_poke and sync_core to powerpc Content-Disposition: inline; filename=add-text-poke-to-powerpc.patch X-Poly-FromMTA: (dijkstra.casi.polymtl.ca [132.207.72.10]) at Thu, 6 Dec 2007 02:12:36 +0000 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org - Needed on architectures where we must surround live instruction modification with "WP flag disable". - Turns into a memcpy on powerpc since there is no WP flag activated for instruction pages (yet..). - Add empty sync_core to powerpc so it can be used in architecture independent code. Signed-off-by: Mathieu Desnoyers CC: Rusty Russell CC: Christoph Hellwig CC: Paul Mackerras --- include/asm-powerpc/cacheflush.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) Index: linux-2.6-lttng/include/asm-powerpc/cacheflush.h =================================================================== --- linux-2.6-lttng.orig/include/asm-powerpc/cacheflush.h 2007-11-19 12:05:50.000000000 -0500 +++ linux-2.6-lttng/include/asm-powerpc/cacheflush.h 2007-11-19 13:27:36.000000000 -0500 @@ -63,7 +63,9 @@ extern void flush_dcache_phys_range(unsi #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ memcpy(dst, src, len) - +#define text_poke memcpy +#define text_poke_early text_poke +#define sync_core() #ifdef CONFIG_DEBUG_PAGEALLOC /* internal debugging function */ -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68