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Diffstat (limited to 'arch/x86/kernel/dumpstack_32.c')
-rw-r--r--arch/x86/kernel/dumpstack_32.c31
1 files changed, 10 insertions, 21 deletions
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 0f6376ffa2d9..74cc1eda384b 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -17,11 +17,12 @@
#include <asm/stacktrace.h>
-void dump_trace(struct task_struct *task, struct pt_regs *regs,
- unsigned long *stack, unsigned long bp,
+void dump_trace(struct task_struct *task,
+ struct pt_regs *regs, unsigned long *stack,
const struct stacktrace_ops *ops, void *data)
{
int graph = 0;
+ unsigned long bp;
if (!task)
task = current;
@@ -34,18 +35,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
stack = (unsigned long *)task->thread.sp;
}
-#ifdef CONFIG_FRAME_POINTER
- if (!bp) {
- if (task == current) {
- /* Grab bp right from our regs */
- get_bp(bp);
- } else {
- /* bp is the last reg pushed by switch_to */
- bp = *(unsigned long *) task->thread.sp;
- }
- }
-#endif
-
+ bp = stack_frame(task, regs);
for (;;) {
struct thread_info *context;
@@ -65,7 +55,7 @@ EXPORT_SYMBOL(dump_trace);
void
show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
- unsigned long *sp, unsigned long bp, char *log_lvl)
+ unsigned long *sp, char *log_lvl)
{
unsigned long *stack;
int i;
@@ -82,12 +72,12 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
if (kstack_end(stack))
break;
if (i && ((i % STACKSLOTS_PER_LINE) == 0))
- printk("\n%s", log_lvl);
- printk(" %08lx", *stack++);
+ printk(KERN_CONT "\n");
+ printk(KERN_CONT " %08lx", *stack++);
touch_nmi_watchdog();
}
- printk("\n");
- show_trace_log_lvl(task, regs, sp, bp, log_lvl);
+ printk(KERN_CONT "\n");
+ show_trace_log_lvl(task, regs, sp, log_lvl);
}
@@ -112,8 +102,7 @@ void show_registers(struct pt_regs *regs)
u8 *ip;
printk(KERN_EMERG "Stack:\n");
- show_stack_log_lvl(NULL, regs, &regs->sp,
- 0, KERN_EMERG);
+ show_stack_log_lvl(NULL, regs, &regs->sp, KERN_EMERG);
printk(KERN_EMERG "Code: ");