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[02/15] ARM: etm: Don't limit tracing to only non-secure code.

Message ID 1339552887-17204-3-git-send-email-john.stultz@linaro.org
State Changes Requested
Headers show

Commit Message

John Stultz June 13, 2012, 2:01 a.m. UTC 
From: Arve Hjønnevåg <arve@android.com>

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.

CC: Russell King <linux@arm.linux.org.uk>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Alexander Shishkin <alexander.shishkin@linux.intel.com>
CC: Mathieu Poirier <mathieu.poirier@linaro.org>

Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 arch/arm/kernel/etm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c
index bd295e8..d7622f9 100644
--- a/arch/arm/kernel/etm.c
+++ b/arch/arm/kernel/etm.c
@@ -56,7 +56,7 @@  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)