Commit dcb6b452 authored Jul 08, 2013 by Alex Thorlton Committed by Linus Torvalds Jul 09, 2013

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: Alex Thorlton <athorlton@sgi.com>
Reviewed-by: Robin 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus 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);

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