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 HjÃnnevÃg <arve@xxxxxxxxxxx>
---
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 = 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
--
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