From: Chris Lesiak <chris.lesiak@licor.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Robert Hancock <hancockr@shaw.ca>
Subject: Re: memcpy_toio on i386 using byte writes even when n%2==0
Date: Tue, 30 May 2006 08:55:01 -0500 [thread overview]
Message-ID: <1148997301.4376.88.camel@emerson.licor.com> (raw)
In-Reply-To: <44779358.9010703@shaw.ca>
On Fri, 2006-05-26 at 17:46 -0600, Robert Hancock wrote:
> It does seem a little bit less efficient, but I don't know think it's
> necessarily a bug. There's no guarantee of what size writes will be used
> with the memcpy_to/fromio functions.
I shouldn't have made that assumption in the first place, but I suspect
that I am not the only one to have done so. Probably other hardware
also gets caught not supporting byte enables.
--
Chris Lesiak
chris.lesiak@licor.com
next prev parent reply other threads:[~2006-05-30 13:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6gMqr-8uW-23@gated-at.bofh.it>
2006-05-26 23:46 ` Robert Hancock
2006-05-29 7:38 ` H. Peter Anvin
2006-05-30 13:55 ` Chris Lesiak [this message]
2006-05-30 14:24 ` linux-os (Dick Johnson)
[not found] <6ined-4gY-17@gated-at.bofh.it>
[not found] ` <6ined-4gY-21@gated-at.bofh.it>
[not found] ` <6inee-4gY-23@gated-at.bofh.it>
[not found] ` <6ined-4gY-15@gated-at.bofh.it>
[not found] ` <6inxv-4U2-17@gated-at.bofh.it>
2006-06-03 23:52 ` Robert Hancock
2006-06-04 0:48 ` H. Peter Anvin
[not found] <6gUec-3mb-7@gated-at.bofh.it>
[not found] ` <6gUec-3mb-5@gated-at.bofh.it>
[not found] ` <6icVy-56r-9@gated-at.bofh.it>
[not found] ` <6idov-5Tc-7@gated-at.bofh.it>
2006-05-31 0:55 ` Robert Hancock
2006-05-31 1:13 ` H. Peter Anvin
2006-05-26 15:29 Chris Lesiak
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