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-rw-r--r--arch/x86/kernel/dumpstack.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index c8797d55b245..dd1a7c391c90 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -176,7 +176,19 @@ void show_trace(struct task_struct *task, struct pt_regs *regs,
void show_stack(struct task_struct *task, unsigned long *sp)
{
- show_stack_log_lvl(task, NULL, sp, 0, "");
+ unsigned long bp = 0;
+ unsigned long stack;
+
+ /*
+ * Stack frames below this one aren't interesting. Don't show them
+ * if we're printing for %current.
+ */
+ if (!sp && (!task || task == current)) {
+ sp = &stack;
+ bp = stack_frame(current, NULL);
+ }
+
+ show_stack_log_lvl(task, NULL, sp, bp, "");
}
/*