Messages in this thread | | | From | "Luck, Tony" <> | Subject | RE: [PATCH 1/2] x86: mce: kdump: use under_crashdumping to turn off MCE in all CPUs together | Date | Tue, 24 Feb 2015 18:47:23 +0000 |
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> If that is the case, the tolerance level might be the better approach > after all...
We should also take a look at mce_start():
int cpus = num_online_cpus();
...
/* * Wait for everyone. */ while (atomic_read(&mce_callin) != cpus) {
since offline cpus will still show up to rendezvous ... perhaps "num_present_cpus()" is the right number??
-Tony
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