From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: use cached memory in dma_alloc_coherent() if possible
Date: Tue, 21 Dec 2010 10:30:57 +0000 [thread overview]
Message-ID: <20101221103057.GK28157@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1292926802-12326-2-git-send-email-jamie@jamieiles.com>
On Tue, Dec 21, 2010 at 10:20:02AM +0000, Jamie Iles wrote:
> For fully coherent architectures or systems using the ARM ACP to provide
> coherency to individual device, use cached memory as the coherent
> backing rather than noncached or simply bufferable memory.
As has already been covered by Catalin, as far as we know, no one uses
the ACP yet. Do you have a system which does?
next prev parent reply other threads:[~2010-12-21 10:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-21 10:20 [PATCH 1/2] ARM: convert dma-mapping to asm-generic API Jamie Iles
2010-12-21 10:20 ` [PATCH 2/2] ARM: use cached memory in dma_alloc_coherent() if possible Jamie Iles
2010-12-21 10:30 ` Russell King - ARM Linux [this message]
2010-12-21 10:34 ` Jamie Iles
2010-12-21 11:11 ` Catalin Marinas
2010-12-21 11:22 ` Jamie Iles
2010-12-21 10:36 ` [PATCH 1/2] ARM: convert dma-mapping to asm-generic API Russell King - ARM Linux
2010-12-21 11:01 ` Jamie Iles
2010-12-21 16:04 ` Jamie Iles
2010-12-22 2:57 ` FUJITA Tomonori
2010-12-21 10:54 ` Arnd Bergmann
2010-12-21 10:59 ` Russell King - ARM Linux
2010-12-21 11:53 ` Arnd Bergmann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20101221103057.GK28157@n2100.arm.linux.org.uk \
--to=linux@arm.linux.org.uk \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox