diff options
| author | Paul E. McKenney | 2022-12-16 16:52:01 -0800 |
|---|---|---|
| committer | Paul E. McKenney | 2023-01-19 15:55:12 -0800 |
| commit | 344da544f177f919cf6919e5abcd388f27aa53db (patch) | |
| tree | 47fbf9344fd33a71023a235f45e219be672e421a /usr | |
| parent | 1a3ea611fc105759cf1023e922d00cf44569b8bb (diff) | |
x86/nmi: Print reasons why backtrace NMIs are ignored
Instrument nmi_trigger_cpumask_backtrace() to dump out diagnostics based
on evidence accumulated by exc_nmi(). These diagnostics are dumped for
CPUs that ignored an NMI backtrace request for more than 10 seconds.
[ paulmck: Apply Ingo Molnar feedback. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <x86@kernel.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'usr')
0 files changed, 0 insertions, 0 deletions