From: Jeff Garzik <jgarzik@pobox.com>
To: davidm@hpl.hp.com
Cc: Andrew Morton <akpm@osdl.org>,
Robert.Picco@hp.com, linux-kernel@vger.kernel.org,
venkatesh.pallipadi@intel.com
Subject: Re: [PATCH] HPET driver
Date: Wed, 19 May 2004 22:01:31 -0400 [thread overview]
Message-ID: <40AC117B.3010800@pobox.com> (raw)
In-Reply-To: <16553.28862.590897.171478@napali.hpl.hp.com>
David Mosberger wrote:
> What about atomicity? Are there any platforms where
> {read,write}[bwl]() don't translate into a single bus-transaction? I
> didn't think so, but I could well be wrong.
This is a good point, as the ensuing thread indicates.
Current usage by drivers doesn't require atomicity, so the proposed
implementation is fine.
Thinking about the atomicity issues now is definitely something that
should be done, though...
Jeff
next prev parent reply other threads:[~2004-05-20 2:01 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-13 22:34 [PATCH] HPET driver Robert Picco
2004-05-13 23:17 ` Jeff Garzik
2004-05-13 23:42 ` Andrew Morton
2004-05-13 23:46 ` Andrew Morton
2004-05-13 23:53 ` HPET docs Jeff Garzik
2004-05-13 23:49 ` [PATCH] HPET driver Jeff Garzik
2004-05-14 11:19 ` Vojtech Pavlik
2004-05-14 16:59 ` Jeff Garzik
2004-05-17 22:33 ` Robert Picco
2004-05-17 22:39 ` Jeff Garzik
2004-05-17 22:43 ` Jeff Garzik
2004-05-17 23:05 ` Andrew Morton
2004-05-17 23:06 ` Jeff Garzik
2004-05-17 23:12 ` Andrew Morton
2004-05-17 23:18 ` Jeff Garzik
2004-05-17 23:25 ` Russell King
2004-05-17 23:41 ` Jeff Garzik
2004-05-17 23:33 ` Andrew Morton
2004-05-17 23:42 ` Jeff Garzik
2004-05-18 1:46 ` Andrew Morton
2004-05-18 1:59 ` Jeff Garzik
[not found] ` <m1vfit3939.fsf_-_@ebiederm.dsl.xmission.com>
[not found] ` <52fz9xpp5l.fsf@topspin.com>
2004-05-18 23:01 ` readq/writeq on 32bit machines Eric W. Biederman
2004-05-19 0:58 ` Roland Dreier
2004-05-19 3:14 ` Eric W. Biederman
[not found] ` <16553.28862.590897.171478@napali.hpl.hp.com>
2004-05-20 2:01 ` Jeff Garzik [this message]
2004-05-13 23:18 ` [PATCH] HPET driver Andrew Morton
[not found] <200406181616.i5IGGECd003812@hera.kernel.org>
2004-06-18 20:57 ` Jeff Garzik
2004-06-18 21:55 ` Andrew Morton
2004-06-18 22:45 ` Jeff Garzik
2004-06-23 21:34 ` Robert Picco
2004-06-23 21:41 ` Jeff Garzik
2004-06-23 22:23 ` Andrew Morton
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