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| author | Andi Kleen <ak@suse.de> | 2006-02-17 01:42:10 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-17 19:00:40 +0300 |
| commit | 6574ffd74b03e35026f428a2c820e6ddf45d426c (patch) | |
| tree | 5e02a440a8499d0ac8e41a9dd7d4e74dbbe1ea19 /arch/x86_64/kernel/head.S | |
| parent | 7fd67843b96f90f59c9a244a1bc25137978a3ff9 (diff) | |
| download | linux-6574ffd74b03e35026f428a2c820e6ddf45d426c.tar.xz | |
[PATCH] x86_64: Resolve the RIP of an early exception using kallsyms
But do it after everything else to risk less from recursive
crashes.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/head.S')
| -rw-r--r-- | arch/x86_64/kernel/head.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S index 692c737feddb..02fc7fa0ea28 100644 --- a/arch/x86_64/kernel/head.S +++ b/arch/x86_64/kernel/head.S @@ -213,6 +213,11 @@ ENTRY(early_idt_handler) cmpl $2,early_recursion_flag(%rip) jz 1f call dump_stack +#ifdef CONFIG_KALLSYMS + leaq early_idt_ripmsg(%rip),%rdi + movq 8(%rsp),%rsi # get rip again + call __print_symbol +#endif 1: hlt jmp 1b early_recursion_flag: @@ -220,6 +225,8 @@ early_recursion_flag: early_idt_msg: .asciz "PANIC: early exception rip %lx error %lx cr2 %lx\n" +early_idt_ripmsg: + .asciz "RIP %s\n" .code32 ENTRY(no_long_mode) |