lkml.org 
[lkml]   [2014]   [Jun]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] introduce atomic_pointer to fix a race condition in cancelable mcs spinlocks
On Mon, Jun 02, 2014 at 04:53:44PM -0700, Eric Dumazet wrote:
> On Mon, 2014-06-02 at 16:17 -0700, Paul E. McKenney wrote:
>
> > But given that I already have preemption disabled and given that
> > __srcu_read_lock() is not to be used by irq handlers, I should be able to
> > use __this_cpu_inc(), correct? Just to avoid unnecessary irq disabling
> > on non-x86 platforms...
>
> Absolutely, __this_cpu_inc() is OK here.

Cool, giving it a test...

Thanx, Paul



\
 
 \ /
  Last update: 2014-06-03 03:01    [W:0.050 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site