x86/mce: Make mce_timed_out() identify holdout CPUs
The "Timeout: Not all CPUs entered broadcast exception handler" message
will appear from time to time given enough systems, but this message does
not identify which CPUs failed to enter the broadcast exception handler.
This information would be valuable if available, for example, in order to
correlated with other hardware-oriented error messages. This commit
therefore maintains a cpumask_t of CPUs that have entered this handler,
and prints out which ones failed to enter in the event of a timeout.
Cc: Tony Luck <tony.luck@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <x86@kernel.org>
Cc: <linux-edac@vger.kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
1 file changed
