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gpu: nvgpu: posix: Change BUG() to raise signal

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BUG() was causing a hang which would cause issues in
automated tests. Instead now BUG() will raise a signal
and kill the thread that called BUG().

JIRA NVGPU-1254

Change-Id: I74a7c74ee3c392a330fdaf49f3e1447f53c2b688
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1920220
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Nicolas Benech
2018-10-05 12:02:38 -04:00
committed by Abdul Salam
parent 739b5d1506
commit 9934cfdd72
1 changed files with 5 additions and 11 deletions
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16
drivers/gpu/nvgpu/os/posix/bug.c
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@@ -21,17 +21,9 @@
*/ */
#include <nvgpu/log.h> #include <nvgpu/log.h>
#include <nvgpu/posix/bug.h> #include <nvgpu/posix/bug.h>
#include <signal.h>
__attribute__ ((noreturn)) #include <pthread.h>
static void __hang(void)
{
nvgpu_err(NULL, "Hanging!");
while (1)
;
}
static void __dump_stack(unsigned int skip_frames) static void __dump_stack(unsigned int skip_frames)
{ {
@@ -50,7 +42,9 @@ void __bug(const char *fmt, ...)
{ {
nvgpu_err(NULL, "BUG detected!"); nvgpu_err(NULL, "BUG detected!");
__hang(); /* Raise a bad system call signal and kill the thread */
(void) raise(SIGSEGV);
pthread_exit(NULL);
} }
bool __warn(bool cond, const char *fmt, ...) bool __warn(bool cond, const char *fmt, ...)