lkml.org 
[lkml]   [2007]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] drivers/isdn/gigaset: new M101 driver
Andrew Morton schrieb:
> On Mon, 05 Feb 2007 02:42:09 +0100 Tilman Schmidt <tilman@imap.cc> wrote:
>
>> It's a pointer. Are reads and writes of pointer sized objects
>> guaranteed to be atomic on every platform?
>
> Yup - we make the same assumption about longs in various places.
>
> It's a bit strange to read a pointer which can be changing at the
> same time. Because the local copy will no longer represent the
> thing which it was just copied from.

It's not that bad. The only possible concurrent change is from NULL
to non-NULL. Fearing an inconsistent read in that event was too
paranoid apparently.

Thanks for all your suggestions. I'll prepare a new patch based on
them.

--
Tilman Schmidt E-Mail: tilman@imap.cc
Bonn, Germany
Diese Nachricht besteht zu 100% aus wiederverwerteten Bits.
Ungeöffnet mindestens haltbar bis: (siehe Rückseite)

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2007-02-05 13:33    [W:0.068 / U:1.232 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site