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Commit dcb6b452 authored by Alex Thorlton's avatar Alex Thorlton Committed by Linus Torvalds
Browse files

panic: add cpu/pid to warn_slowpath_common in WARNING printk()s 



Add the cpu/pid that called WARN() so that the stack traces can be
matched up with the WARNING messages.

[akpm@linux-foundation.org: remove stray quote]
Signed-off-by: default avatarAlex Thorlton <athorlton@sgi.com>
Reviewed-by: default avatarRobin Holt <holt@sgi.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Vikram Mulukutla <markivx@codeaurora.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0a1be150

kernel/panic.c

+3 −2
Original line number Diff line number Diff line
@@ -399,8 +399,9 @@ struct slowpath_args { 
static void warn_slowpath_common(const char *file, int line, void *caller,

				 unsigned taint, struct slowpath_args *args)

{

	printk(KERN_WARNING "------------[ cut here ]------------\n");

	printk(KERN_WARNING "WARNING: at %s:%d %pS()\n", file, line, caller);

	pr_warn("------------[ cut here ]------------\n");

	pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pS()\n",

		raw_smp_processor_id(), current->pid, file, line, caller);



	if (args)

		vprintk(args->fmt, args->args);