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

[John Stultz]

From: Arve HjÃnnevÃg <arve@xxxxxxxxxxx>

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@xxxxxxxxxxxxxxxx>
CC: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
CC: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
CC: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>

Acked-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Signed-off-by: Arve HjÃnnevÃg <arve@xxxxxxxxxxx>
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
 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 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)
-- 
1.7.3.2.146.gca209

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