Subject: Re: [linux-audio-dev] lock-free data structures
From: Jens M Andreasen (jens.andreasen_AT_chello.se)
Date: Fri Jun 18 2004 - 10:15:06 EEST
On fre, 2004-06-18 at 08:25, Tim Hockin wrote:
> On Thu, Jun 17, 2004 at 08:22:29PM -0700, Joshua Haberman wrote:
> > One final thing: I'm not sure if this is a problem in practice, but
> > most (if not all) processors do not guarantee that memory reads and
> > writes are performed in order ...
>
> Yes, this was discussed here a while back. For all practical platforms
> that the developers cared about, 32 bit aligned access are atomic.
>
> They are not guaranteed to STAY that way, but for now..
And the most likely outcome for a change in 32 bit atomic access will be
a kick upwards to 64 bits ...
mvh // Jens M Andreasen
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