[v5,23/32] printk: When dumping regs, show the stack, not thread_info
diff mbox

Message ID 3dcc5eccd7516153174c8e2c54387b73beb30bb6.1468270393.git.luto@kernel.org
State New
Headers show

Commit Message

Andy Lutomirski July 11, 2016, 8:53 p.m. UTC
We currently show:

  task: <current> ti: <current_thread_info()> task.ti: <task_thread_info(current)>"

"ti" and "task.ti" are redundant, and neither is actually what we
want to show, which the the base of the thread stack.  Change the
display to show the stack pointer explicitly.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
---
 kernel/printk/printk.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Patch
diff mbox

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 60cdf6386763..d4de33934dac 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3177,9 +3177,8 @@  void show_regs_print_info(const char *log_lvl)
 {
 	dump_stack_print_info(log_lvl);
 
-	printk("%stask: %p ti: %p task.ti: %p\n",
-	       log_lvl, current, current_thread_info(),
-	       task_thread_info(current));
+	printk("%stask: %p task.stack: %p\n",
+	       log_lvl, current, task_stack_page(current));
 }
 
 #endif