lkml.org 
[lkml]   [2018]   [Apr]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 2/2] io: prevent compiler reordering on the default readX() implementation
From
Date
On 4/4/2018 11:55 AM, Arnd Bergmann wrote:
> Yes, exactly, plus the same for write and in/out of course.

I was looking at this...

inb() and outb() seem to be calling writeb(). It gets the wmb/barrier automatically
when we fix writeb().

Did I miss something?

--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.

\
 
 \ /
  Last update: 2018-04-04 19:49    [W:0.120 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site