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authorArjan van de Ven <arjan@linux.intel.com>2008-11-28 08:36:09 -0800
committerIngo Molnar <mingo@elte.hu>2008-11-28 17:52:50 +0100
commitbd89bb29a01503c5cffa367eccb0b356f910cb8d (patch)
tree2066bb0cff4321261cedcddc00e8613eb9e1b538 /kernel/panic.c
parent74853dba2f7a1a9b0905a09abcf65c1f3ce0b14f (diff)
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debug warnings: print the DMI board info name in a WARN/WARN_ON
Impact: extend WARN_ON() output with DMI_PRODUCT_NAME It's very useful for many low level WARN_ON's to find out which motherboard has the broken BIOS etc... this patch adds a printk to the WARN_ON code for this. On architectures without DMI, gcc should optimize the code out. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/panic.c')
-rw-r--r--kernel/panic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index 6bbf7b905c7..73d365199c3 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -21,6 +21,7 @@
#include <linux/debug_locks.h>
#include <linux/random.h>
#include <linux/kallsyms.h>
+#include <linux/dmi.h>
int panic_on_oops;
static unsigned long tainted_mask;
@@ -325,11 +326,16 @@ void warn_slowpath(const char *file, int line, const char *fmt, ...)
va_list args;
char function[KSYM_SYMBOL_LEN];
unsigned long caller = (unsigned long)__builtin_return_address(0);
+ const char *board;
+
sprint_symbol(function, caller);
printk(KERN_WARNING "------------[ cut here ]------------\n");
printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
line, function);
+ board = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (board)
+ printk(KERN_WARNING "Hardware name: %s\n", board);
if (fmt) {
va_start(args, fmt);