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coresight: abort coresight tracing on kernel panic

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Calling coresight_abort() on kernel panic will stop/disable the
current sink and dump other necessary info to aid post crash
analysis.

Change-Id: I9d1b0ab2ba9d1a665727ea436df0c906fc80dab7
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
This commit is contained in:
Pratik Patel
2013-01-15 16:16:09 -08:00
parent 4aff6bbf11
commit c0eabcb2ce
1 changed files with 2 additions and 0 deletions
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kernel/panic.c
+2
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@@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/nmi.h>
#include <linux/dmi.h>
#include <linux/coresight.h>
#define PANIC_TIMER_STEP 100
#define PANIC_BLINK_SPD 18
@@ -80,6 +81,7 @@ void panic(const char *fmt, ...)
long i, i_next = 0;
int state = 0;
coresight_abort();
/*
* Disable local interrupts. This will prevent panic_smp_self_stop
* from deadlocking the first cpu that invokes the panic, since