lkml.org 
[lkml]   [2015]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods encouraging normal ones
On Wed, Jul 01, 2015 at 04:08:27PM +0200, Eric Dumazet wrote:
> > OK, I'll bite. Exactly what seems especially vile about it?
>
> Presumably we would need to convert everything to async model
> (call_rcu() and friends),
> but that is a long way to go...
>
> For example, synchronize_srcu_expedited() in kvm_set_irq_routing()
> really looks overkill.

But synchronize_srcu_expedited() is SRCU, and does not disturb the
rest of the system.

Don't get me wrong, if converting it to call_srcu() helps, why not?
But synchronize_srcu_expedited() isn't messing up HPC or real-time
workloads.

Thanx, Paul



\
 
 \ /
  Last update: 2015-07-01 18:21    [W:0.090 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site