From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: xen-devel@lists.xensource.com
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, konrad.wilk@oracle.com,
Stefano.Stabellini@eu.citrix.com, Ian.Campbell@citrix.com,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
catalin.marinas@arm.com, will.deacon@arm.com
Subject: [PATCH v3 05/10] arm64: do not initialize arm64_swiotlb if dma_ops is already set
Date: Mon, 5 Aug 2013 17:30:51 +0100 [thread overview]
Message-ID: <1375720256-8014-5-git-send-email-stefano.stabellini@eu.citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1308051503190.4893@kaball.uk.xensource.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: catalin.marinas@arm.com
CC: will.deacon@arm.com
---
arch/arm64/mm/dma-mapping.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 4bd7579..a006e84 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -63,6 +63,8 @@ static struct dma_map_ops arm64_swiotlb_dma_ops = {
void __init arm64_swiotlb_init(void)
{
+ if (dma_ops != NULL)
+ return;
dma_ops = &arm64_swiotlb_dma_ops;
swiotlb_init(1);
}
--
1.7.2.5
next prev parent reply other threads:[~2013-08-05 16:30 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-05 16:29 [PATCH v3 0/10] enable swiotlb-xen on arm and arm64 Stefano Stabellini
2013-08-05 16:30 ` [PATCH v3 01/10] swiotlb: replace dma_length with sg_dma_len() macro Stefano Stabellini
2013-08-05 16:30 ` [PATCH v3 02/10] swiotlb-xen: " Stefano Stabellini
2013-08-05 16:30 ` [PATCH v3 03/10] arm: make SWIOTLB available Stefano Stabellini
2013-08-09 15:29 ` Konrad Rzeszutek Wilk
2013-08-05 16:30 ` [PATCH v3 04/10] arm: introduce a global dma_ops pointer Stefano Stabellini
2013-08-09 15:36 ` Konrad Rzeszutek Wilk
2013-08-05 16:30 ` Stefano Stabellini [this message]
2013-08-05 16:30 ` [PATCH v3 06/10] xen/arm,arm64: move Xen initialization earlier Stefano Stabellini
2013-08-05 16:30 ` [PATCH v3 07/10] xen: introduce XENMEM_get_dma_buf and xen_put_dma_buf Stefano Stabellini
2013-08-09 15:36 ` Konrad Rzeszutek Wilk
2013-08-09 15:50 ` Konrad Rzeszutek Wilk
2013-08-14 16:41 ` Stefano Stabellini
2013-08-14 16:43 ` Stefano Stabellini
2013-08-05 16:30 ` [PATCH v3 08/10] xen: make xen_create_contiguous_region return the dma address Stefano Stabellini
2013-08-05 16:30 ` [PATCH v3 09/10] swiotlb-xen: support autotranslate guests Stefano Stabellini
2013-08-09 15:45 ` Konrad Rzeszutek Wilk
2013-08-14 13:01 ` Stefano Stabellini
2013-08-05 16:30 ` [PATCH v3 10/10] xen/arm,arm64: enable SWIOTLB_XEN Stefano Stabellini
2013-08-09 15:38 ` Konrad Rzeszutek Wilk
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=1375720256-8014-5-git-send-email-stefano.stabellini@eu.citrix.com \
--to=stefano.stabellini@eu.citrix.com \
--cc=Ian.Campbell@citrix.com \
--cc=catalin.marinas@arm.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=will.deacon@arm.com \
--cc=xen-devel@lists.xensource.com \
/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;
as well as URLs for NNTP newsgroup(s).