diff options
| author | Jon Medhurst <tixy@linaro.org> | 2013-12-19 09:23:06 +0000 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2013-12-19 09:23:06 +0000 |
| commit | 34d9769988397a1edf93ad1966c167591ab29e79 (patch) | |
| tree | 87ff173a35abc79ffb9d3507a9853c3623be9985 /drivers/gator/gator_backtrace.c | |
| parent | d369859ea66a29a79162f622a3816c4eb9024940 (diff) | |
gator: Version 5.17
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Diffstat (limited to 'drivers/gator/gator_backtrace.c')
| -rw-r--r-- | drivers/gator/gator_backtrace.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gator/gator_backtrace.c b/drivers/gator/gator_backtrace.c index 0670d6cea9bd..ffacb490194c 100644 --- a/drivers/gator/gator_backtrace.c +++ b/drivers/gator/gator_backtrace.c @@ -132,13 +132,21 @@ static int report_trace(struct stackframe *frame, void *d) // Uncomment the following line to enable kernel stack unwinding within gator, note it can also be defined from the Makefile // #define GATOR_KERNEL_STACK_UNWINDING + +#if (defined(__arm__) || defined(__aarch64__)) && !defined(GATOR_KERNEL_STACK_UNWINDING) +// Disabled by default +MODULE_PARM_DESC(kernel_stack_unwinding, "Allow kernel stack unwinding."); +bool kernel_stack_unwinding = 0; +module_param(kernel_stack_unwinding, bool, 0644); +#endif + static void kernel_backtrace(int cpu, struct pt_regs *const regs) { #if defined(__arm__) || defined(__aarch64__) #ifdef GATOR_KERNEL_STACK_UNWINDING int depth = gator_backtrace_depth; #else - int depth = 1; + int depth = (kernel_stack_unwinding ? gator_backtrace_depth : 1); #endif struct stackframe frame; if (depth == 0) |