From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Subject: [PATCH 2/8] ARM: etm: Don't limit tracing to only non-secure code. Date: Mon, 14 Feb 2011 22:11:10 -0800 Message-ID: <1297750276-12475-2-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: QUOTED-PRINTABLE Return-path: In-Reply-To: <1296701663-12168-1-git-send-email-arve@android.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org Cc: linux-omap@vger.kernel.org, =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= , Russell King , Alexander Shishkin , Jason Wessel , Greg Kroah-Hartman , linux-kernel@vger.kernel.org List-Id: linux-omap@vger.kernel.org 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 Hj=C3=B8nnev=C3=A5g --- 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 d4ec368..6e15c48 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 =3D ETMAAT_ARM | ETMAAT_IGNCONTEXTID | ETMAAT_NSONLY | \ + u32 flags =3D ETMAAT_ARM | ETMAAT_IGNCONTEXTID | ETMAAT_IGNSECURITY | ETMAAT_NOVALCMP; =20 if (n < 1 || n > t->ncmppairs) --=20 1.7.3.1