Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755373Ab1BCCzO (ORCPT ); Wed, 2 Feb 2011 21:55:14 -0500 Received: from mail-iw0-f174.google.com ([209.85.214.174]:57204 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755245Ab1BCCzN (ORCPT ); Wed, 2 Feb 2011 21:55:13 -0500 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= To: linux-arm-kernel@lists.infradead.org Cc: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= , Russell King , Alexander Shishkin , Jason Wessel , Greg Kroah-Hartman , linux-kernel@vger.kernel.org Subject: [PATCH 2/5] ARM: etm: Don't limit tracing to only non-secure code. Date: Wed, 2 Feb 2011 18:54:20 -0800 Message-Id: <1296701663-12168-2-git-send-email-arve@android.com> X-Mailer: git-send-email 1.7.3.1 In-Reply-To: <1296701663-12168-1-git-send-email-arve@android.com> References: <1296701663-12168-1-git-send-email-arve@android.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1090 Lines: 30 On some systems kernel code is considered secure, and this code already limits tracing to the kernel text segment which results in no trace data. Signed-off-by: Arve Hjønnevåg --- arch/arm/kernel/etm.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c index 308b733..2ea0b7c 100644 --- a/arch/arm/kernel/etm.c +++ b/arch/arm/kernel/etm.c @@ -55,7 +55,7 @@ static inline bool trace_isrunning(struct tracectx *t) static int etm_setup_address_range(struct tracectx *t, int n, unsigned long start, unsigned long end, int exclude, int data) { - u32 flags = ETMAAT_ARM | ETMAAT_IGNCONTEXTID | ETMAAT_NSONLY | \ + u32 flags = ETMAAT_ARM | ETMAAT_IGNCONTEXTID | ETMAAT_IGNSECURITY | ETMAAT_NOVALCMP; if (n < 1 || n > t->ncmppairs) -- 1.7.3.1 -- 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/