RE: [PATCH v2 5/5] x86/mce/mce-inject: Return error code to userspace from mce-inject module
From: Luck, Tony
Date: Wed Oct 20 2021 - 11:18:41 EST
+ if (!cpu_online(cpu)) {
+ pr_err("No online CPUs available for error injection\n");
+ mce_err.err = -ENODEV;
Maybe "Chosen CPU is not online\n"?
-Tony