diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-31 08:59:59 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-31 08:59:59 -0400 |
| commit | b1b934d31d8a608fe69fc56d6e539548b55b0601 (patch) | |
| tree | e8206589759c732a3a9b70b3feeb9ef50dc3c6b3 /arch/x86_64/kernel/traps.c | |
| parent | 5dd9feafb351a8bf304292623cbc63335c34d279 (diff) | |
| parent | b6ff50833ad43a8ebd9b16bf53c334f7aaf33c41 (diff) | |
| download | kernel_samsung_smdk4412-b1b934d31d8a608fe69fc56d6e539548b55b0601.zip kernel_samsung_smdk4412-b1b934d31d8a608fe69fc56d6e539548b55b0601.tar.gz kernel_samsung_smdk4412-b1b934d31d8a608fe69fc56d6e539548b55b0601.tar.bz2 | |
Merge branch 'master'
Diffstat (limited to 'arch/x86_64/kernel/traps.c')
| -rw-r--r-- | arch/x86_64/kernel/traps.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index eb39a27..f7a9d14 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -254,7 +254,6 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s { const unsigned cpu = safe_smp_processor_id(); unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; - int i = 11; unsigned used = 0; printk("\nCall Trace:\n"); @@ -275,11 +274,20 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s if (unwind_init_blocked(&info, tsk) == 0) unw_ret = show_trace_unwind(&info, NULL); } - if (unw_ret > 0) { - if (call_trace > 0) + if (unw_ret > 0 && !arch_unw_user_mode(&info)) { +#ifdef CONFIG_STACK_UNWIND + unsigned long rip = info.regs.rip; + print_symbol("DWARF2 unwinder stuck at %s\n", rip); + if (call_trace == 1) { + printk("Leftover inexact backtrace:\n"); + stack = (unsigned long *)info.regs.rsp; + } else if (call_trace > 1) return; - printk("Legacy call trace:"); - i = 18; + else + printk("Full inexact backtrace again:\n"); +#else + printk("Inexact backtrace:\n"); +#endif } } @@ -1118,8 +1126,10 @@ static int __init call_trace_setup(char *s) call_trace = -1; else if (strcmp(s, "both") == 0) call_trace = 0; - else if (strcmp(s, "new") == 0) + else if (strcmp(s, "newfallback") == 0) call_trace = 1; + else if (strcmp(s, "new") == 0) + call_trace = 2; return 1; } __setup("call_trace=", call_trace_setup); |