gpu: nvgpu: add API to print process name

Add an OS-abstracted API for printing the name of the current process
into a log message and convert the single occurrence of current->comm in
submit path power failure to use it.

Jira NVGPU-705

Change-Id: I1a509dcc5aecc3c89ce4582733888081b3e38f1f
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1749833
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/os_sched.h b/drivers/gpu/nvgpu/include/nvgpu/os_sched.h
index 97dc9a57..d1e44b06 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/os_sched.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/os_sched.h
@@ -23,6 +23,8 @@
 #ifndef __NVGPU_OS_SCHED_H__
 #define __NVGPU_OS_SCHED_H__
 
+#include <nvgpu/log.h>
+
 struct gk20a;
 
 /**
@@ -37,4 +39,13 @@ int nvgpu_current_tid(struct gk20a *g);
  */
 int nvgpu_current_pid(struct gk20a *g);
 
+void __nvgpu_print_current(struct gk20a *g, const char *func_name, int line,
+                void *ctx, enum nvgpu_log_type type);
+/**
+ * nvgpu_print_current - print the name of current calling process
+ *
+ */
+#define nvgpu_print_current(g, ctx, type) \
+        __nvgpu_print_current(g, __func__, __LINE__, ctx, type)
+
 #endif /* __NVGPU_OS_SCHED_H__ */