aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/dumpstack.h
diff options
context:
space:
mode:
authorPatrick McHardy <kaber@trash.net>2010-05-10 12:39:28 -0400
committerPatrick McHardy <kaber@trash.net>2010-05-10 12:39:28 -0400
commit1e4b1057121bc756b91758a434b504d2010f6088 (patch)
treeb016cf2c728289c7e36d9e4e488f30ab0bd0ae6e /arch/x86/kernel/dumpstack.h
parent3b254c54ec46eb022cb26ee6ab37fae23f5f7d6a (diff)
parent3ee943728fff536edaf8f59faa58aaa1aa7366e3 (diff)
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts: net/bridge/br_device.c net/bridge/br_forward.c Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'arch/x86/kernel/dumpstack.h')
-rw-r--r--arch/x86/kernel/dumpstack.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/dumpstack.h b/arch/x86/kernel/dumpstack.h
index e39e77168a37..e1a93be4fd44 100644
--- a/arch/x86/kernel/dumpstack.h
+++ b/arch/x86/kernel/dumpstack.h
@@ -14,6 +14,8 @@
14#define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :) 14#define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :)
15#endif 15#endif
16 16
17#include <linux/uaccess.h>
18
17extern void 19extern void
18show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, 20show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
19 unsigned long *stack, unsigned long bp, char *log_lvl); 21 unsigned long *stack, unsigned long bp, char *log_lvl);
@@ -42,8 +44,10 @@ static inline unsigned long rewind_frame_pointer(int n)
42 get_bp(frame); 44 get_bp(frame);
43 45
44#ifdef CONFIG_FRAME_POINTER 46#ifdef CONFIG_FRAME_POINTER
45 while (n--) 47 while (n--) {
46 frame = frame->next_frame; 48 if (probe_kernel_address(&frame->next_frame, frame))
49 break;
50 }
47#endif 51#endif
48 52
49 return (unsigned long)frame; 53 return (unsigned long)frame;