[lkml]   [2017]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v3 tip/core/rcu 40/40] rcu: Make non-preemptive schedule be Tasks RCU quiescent state
On Thu, Sep 28, 2017 at 06:08:56PM +0200, Peter Zijlstra wrote:
>On Thu, Sep 28, 2017 at 03:38:16PM +0000, Levin, Alexander (Sasha Levin) wrote:
>> On Thu, Sep 28, 2017 at 05:30:55AM -0700, Paul E. McKenney wrote:
>> >Hmmm... kernel/rcu/tree_plugin.h:329 thinks that someone slept (as opposed
>> >to was preempted) in an RCU read-side critical section.
>Sasha, was this on one of those kernels that did a printk() from
>scheduler context?

No, it was an older kernel (about a month old -next), I also didn't do
any CPU hotplug in this set of tests.


 \ /
  Last update: 2017-09-28 18:25    [W:0.193 / U:3.860 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site