lkml.org 
[lkml]   [2012]   [Jun]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/2] x86: Track minimum microcode revision globally v2
From
Date
On Tue, 2012-06-12 at 14:25 -0700, Andi Kleen wrote:
> At CPU hotplug or S3 resume time there is a short race window
> where something might run on the CPUs but before the microcode
> update notifier runs. For the current workarounds that need this
> this is acceptable and shouldn't be a problem.

I'm not convinced,.. the CPU_ONLINE notifier stuff runs pretty late, by
then its already running normal userspace.

We really should do the ucode update from CPU_STARTING.


\
 
 \ /
  Last update: 2012-06-13 11:21    [W:0.150 / U:0.188 seconds]
©2003-2014 Jasper Spaans. Advertise on this site