diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 00:40:09 +1100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 00:40:09 +1100 |
| commit | dd430ca20c40ecccd6954a7efd13d4398f507728 (patch) | |
| tree | b65089436d17b2bcc6054ede2e335a821b50007f /kernel/panic.c | |
| parent | 60e233172eabdd1f831bd48631b9626ce2279d9b (diff) | |
| parent | afadcd788f37bfa62d92662e54a720c26c91becf (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (890 commits)
x86: fix nodemap_size according to nodeid bits
x86: fix overlap between pagetable with bss section
x86: add PCI IDs to k8topology_64.c
x86: fix early_ioremap pagetable ops
x86: use the same pgd_list for PAE and 64-bit
x86: defer cr3 reload when doing pud_clear()
x86: early boot debugging via FireWire (ohci1394_dma=early)
x86: don't special-case pmd allocations as much
x86: shrink some ifdefs in fault.c
x86: ignore spurious faults
x86: remove nx_enabled from fault.c
x86: unify fault_32|64.c
x86: unify fault_32|64.c with ifdefs
x86: unify fault_32|64.c by ifdef'd function bodies
x86: arch/x86/mm/init_32.c printk fixes
x86: arch/x86/mm/init_32.c cleanup
x86: arch/x86/mm/init_64.c printk fixes
x86: unify ioremap
x86: fixes some bugs about EFI memory map handling
x86: use reboot_type on EFI 32
...
Diffstat (limited to 'kernel/panic.c')
| -rw-r--r-- | kernel/panic.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/kernel/panic.c b/kernel/panic.c index da4d6bac270e..d9e90cfe3298 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -20,6 +20,7 @@ #include <linux/kexec.h> #include <linux/debug_locks.h> #include <linux/random.h> +#include <linux/kallsyms.h> int panic_on_oops; int tainted; @@ -280,6 +281,13 @@ static int init_oops_id(void) } late_initcall(init_oops_id); +static void print_oops_end_marker(void) +{ + init_oops_id(); + printk(KERN_WARNING "---[ end trace %016llx ]---\n", + (unsigned long long)oops_id); +} + /* * Called when the architecture exits its oops handler, after printing * everything. @@ -287,11 +295,26 @@ late_initcall(init_oops_id); void oops_exit(void) { do_oops_enter_exit(); - init_oops_id(); - printk(KERN_WARNING "---[ end trace %016llx ]---\n", - (unsigned long long)oops_id); + print_oops_end_marker(); } +#ifdef WANT_WARN_ON_SLOWPATH +void warn_on_slowpath(const char *file, int line) +{ + char function[KSYM_SYMBOL_LEN]; + unsigned long caller = (unsigned long) __builtin_return_address(0); + sprint_symbol(function, caller); + + printk(KERN_WARNING "------------[ cut here ]------------\n"); + printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file, + line, function); + print_modules(); + dump_stack(); + print_oops_end_marker(); +} +EXPORT_SYMBOL(warn_on_slowpath); +#endif + #ifdef CONFIG_CC_STACKPROTECTOR /* * Called when gcc's -fstack-protector feature is used, and |