Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process.

2015-12-03 Thread Greg KH
On Thu, Dec 03, 2015 at 07:16:10PM -0500, Ashok Raj wrote: > Linux has logical cpu offline capability. That can be triggered by: > > # echo 0 > /sys/devices/system/cpu/cpuX/online > > In Intel Architecture, MCE's are broadcasted to all CPUs in the system. > > This includes the CPUs marked offlin

[Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process.

2015-12-03 Thread Ashok Raj
Linux has logical cpu offline capability. That can be triggered by: # echo 0 > /sys/devices/system/cpu/cpuX/online In Intel Architecture, MCE's are broadcasted to all CPUs in the system. This includes the CPUs marked offline by Linux. Unless the CPU's were removed via an ACPI notification, in wh