diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-16 12:27:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-16 12:27:47 -0800 |
| commit | c6a93d330b53fa587f550aedcdeb93ff23ea7f87 (patch) | |
| tree | 9f702ce8e33f5c455cd95d6d5f6f78537e65ba67 /arch | |
| parent | 6ccc347b699681a0b21c2f7b1a1f85500a58c6b8 (diff) | |
| parent | 1703f2c321a8a531c393e137a82602e16c6061cb (diff) | |
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf tools: Check if /dev/null can be used as the -o gcc argument
perf tools: Move QUIET_STDERR def to before first use
perf: Stop stack frame walking off kernel addresses boundaries
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/dumpstack.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index c56bc2873030..6d817554780a 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -123,13 +123,15 @@ print_context_stack_bp(struct thread_info *tinfo, while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) { unsigned long addr = *ret_addr; - if (__kernel_text_address(addr)) { - ops->address(data, addr, 1); - frame = frame->next_frame; - ret_addr = &frame->return_address; - print_ftrace_graph_addr(addr, data, ops, tinfo, graph); - } + if (!__kernel_text_address(addr)) + break; + + ops->address(data, addr, 1); + frame = frame->next_frame; + ret_addr = &frame->return_address; + print_ftrace_graph_addr(addr, data, ops, tinfo, graph); } + return (unsigned long)frame; } EXPORT_SYMBOL_GPL(print_context_stack_bp); |