sysfs: crash debugging

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / dumpstack_64.c

diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 13379a988292cd71221c0701656942e784948fbb..96a5db7da8a747e5192f410c60fe9494e8d8e8d1 100644 (file)
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -13,11 +13,12 @@
 #include <linux/kexec.h>
 #include <linux/bug.h>
 #include <linux/nmi.h>
+#include <linux/sysfs.h>
 
 #include <asm/stacktrace.h>
 
 #define STACKSLOTS_PER_LINE 4
-#define get_bp(bp) asm("movl %%rbp, %0" : "=r" (bp) :)
+#define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :)
 
 int panic_on_unrecovered_nmi;
 int kstack_depth_to_print = 3 * STACKSLOTS_PER_LINE;
@@ -489,6 +490,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
        printk("DEBUG_PAGEALLOC");
 #endif
        printk("\n");
+       sysfs_printk_last_file();
        if (notify_die(DIE_OOPS, str, regs, err,
                        current->thread.trap_no, SIGSEGV) == NOTIFY_STOP)
                return 1;