Subject: stop_machine: Fix deadlock between multiple stop_two_cpus()
From: Peter Zijlstra <email address hidden>
Date: Fri, 5 Jun 2015 17:30:23 +0200
Will try to test the latest builds + this patch with the NUMA migration test. Unfortunately it is REALLY hard to reproduce the issue so I cannot know if the patch fixed anything, just test if it looks good or not.
Just got an update from Peter:
https:/ /lkml.org/ lkml/2015/ 6/15/531
asking for feedback on a patch:
Subject: stop_machine: Fix deadlock between multiple stop_two_cpus()
From: Peter Zijlstra <email address hidden>
Date: Fri, 5 Jun 2015 17:30:23 +0200
Will try to test the latest builds + this patch with the NUMA migration test. Unfortunately it is REALLY hard to reproduce the issue so I cannot know if the patch fixed anything, just test if it looks good or not.