Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752261AbZLKMTL (ORCPT ); Fri, 11 Dec 2009 07:19:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750939AbZLKMTJ (ORCPT ); Fri, 11 Dec 2009 07:19:09 -0500 Received: from mail2.picochip.com ([82.111.145.34]:45608 "EHLO thurne.picochip.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750877AbZLKMTI (ORCPT ); Fri, 11 Dec 2009 07:19:08 -0500 From: Jamie Iles To: linux-kernel@vger.kernel.org Cc: Jamie Iles , Russell King , Peter Zijlstra , Mikael Pettersson Subject: [PATCH] perf tools: allow building for ARM (patch v2) Date: Fri, 11 Dec 2009 12:20:09 +0000 Message-Id: <1260534009-5394-1-git-send-email-jamie.iles@picochip.com> X-Mailer: git-send-email 1.6.5.4 In-Reply-To: <1260523260-15694-2-git-send-email-jamie.iles@picochip.com> References: <1260523260-15694-2-git-send-email-jamie.iles@picochip.com> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (thurne.picochip.com [172.17.0.105]); Fri, 11 Dec 2009 12:18:59 +0000 (GMT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1425 Lines: 43 Add definitions of rmb() and cpu_relax() and include the ARM unistd.h header. The __kuser_memory_barrier helper in the helper page is used to provide the correct memory barrier depending on the CPU type. Signed-off-by: Jamie Iles Cc: Russell King Cc: Peter Zijlstra Cc: Mikael Pettersson --- tools/perf/perf.h | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 454d5d5..75f941b 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -59,6 +59,18 @@ #define cpu_relax() asm volatile ("hint @pause" ::: "memory") #endif +#ifdef __arm__ +#include "../../arch/arm/include/asm/unistd.h" +/* + * Use the __kuser_memory_barrier helper in the CPU helper page. See + * arch/arm/kernel/entry-armv.S in the kernel source for details. + */ +#define rmb() asm volatile("mov r0, #0xffff0fff; mov lr, pc;" \ + "sub pc, r0, #95" ::: "r0", "lr", "cc", \ + "memory") +#define cpu_relax() asm volatile("":::"memory") +#endif + #include #include #include -- 1.6.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/