lkml.org 
[lkml]   [2011]   [Oct]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRE: [uclinux-dist-devel] [PATCH] mutex:SMP:bf561:Run smp memory barrier after take atomic lock in mutex_fastpath APIs.
Hi Mike,

Our SMP atomic implementation doesn't include memory barrier. Is it a better way to add barrier there?


Thanks

Sonic

>-----Original Message-----
>From: uclinux-dist-devel-bounces@blackfin.uclinux.org
>[mailto:uclinux-dist-devel-bounces@blackfin.uclinux.org] On
>Behalf Of Mike Frysinger
>Sent: Wednesday, October 26, 2011 3:54 PM
>To: Sonic Zhang
>Cc: uclinux-dist-devel@blackfin.uclinux.org; Ingo Molnar; LKML
>Subject: Re: [uclinux-dist-devel] [PATCH] mutex:SMP:bf561:Run
>smp memory barrier after take atomic lock in mutex_fastpath APIs.
>
>unfortunately, this is incorrect. please see the thread:
>https://lkml.org/lkml/2011/5/29/233
>-mike
>_______________________________________________
>Uclinux-dist-devel mailing list
>Uclinux-dist-devel@blackfin.uclinux.org
>https://blackfin.uclinux.org/mailman/listinfo/uclinux-dist-devel
>
>



\
 
 \ /
  Last update: 2011-10-26 10:55    [W:0.039 / U:0.504 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site