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| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2020-02-20 16:23:37 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2020-02-20 16:23:37 +0800 |
| commit | c95baf12f5077419db01313ab61c2aac007d40cd (patch) | |
| tree | 8c2aed3b89aecfb100b0546b601b7c7ae513a974 /kernel/stacktrace.c | |
| parent | 690c3df85f107c7e2b5726392e0f53bb18ec9f73 (diff) | |
| parent | e24bcd34c1dd7dabde4a8546920537f7137e3c5f (diff) | |
Merge drm-intel-next-queued into gvt-next
Backmerge to pull in
https://patchwork.freedesktop.org/patch/353621/?series=73544&rev=1
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'kernel/stacktrace.c')
| -rw-r--r-- | kernel/stacktrace.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c index 6d1f68b7e528..2af66e449aa6 100644 --- a/kernel/stacktrace.c +++ b/kernel/stacktrace.c @@ -141,7 +141,8 @@ unsigned int stack_trace_save_tsk(struct task_struct *tsk, unsigned long *store, struct stacktrace_cookie c = { .store = store, .size = size, - .skip = skipnr + 1, + /* skip this function if they are tracing us */ + .skip = skipnr + (current == tsk), }; if (!try_get_task_stack(tsk)) @@ -298,7 +299,8 @@ unsigned int stack_trace_save_tsk(struct task_struct *task, struct stack_trace trace = { .entries = store, .max_entries = size, - .skip = skipnr + 1, + /* skip this function if they are tracing us */ + .skip = skipnr + (current == task), }; save_stack_trace_tsk(task, &trace); |