The patch titled
Subject: panic: add cpu/pid to warn_slowpath_common in WARNING printk()s
has been added to the -mm tree. Its filename is
panic-add-cpu-pid-to-warn_slowpath_common-in-warning-printks.patch
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------------------------------------------------------
From: Alex Thorlton <athorlton@xxxxxxx>
Subject: 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.
Signed-off-by: Alex Thorlton <athorlton@xxxxxxx>
Reviewed-by: Robin Holt <holt@xxxxxxx>
Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Cc: Vikram Mulukutla <markivx@xxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/panic.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN kernel/panic.c~panic-add-cpu-pid-to-warn_slowpath_common-in-warning-printks kernel/panic.c
--- a/kernel/panic.c~panic-add-cpu-pid-to-warn_slowpath_common-in-warning-printks
+++ a/kernel/panic.c
@@ -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);
_
Patches currently in -mm which might be from athorlton@xxxxxxx are
origin.patch
dump_stack-serialize-the-output-from-dump_stack.patch
dump_stack-serialize-the-output-from-dump_stack-fix.patch
panic-add-cpu-pid-to-warn_slowpath_common-in-warning-printks.patch
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