lkml.org 
[lkml]   [2018]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] tools/memory-model: Add write ordering by release-acquire and by locks
> > At any rate, it looks like instead of strengthening the relation, I
> > should write a patch that removes it entirely. I also will add new,
> > stronger relations for use with locking, essentially making spin_lock
> > and spin_unlock be RCsc.
>
> Only in the presence of smp_mb__after_unlock_lock() or
> smp_mb__after_spinlock(), correct? Or am I confused about RCsc?

There are at least two definitions of RCsc: one as documented in the header
comment for smp_mb__after_spinlock() or rather in the patch under review...,
one as processor architects used to intend it. ;-)

Andrea
> Thanx, Paul
>

\
 
 \ /
  Last update: 2018-07-05 17:39    [W:0.224 / U:1.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site