From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: konrad.wilk@oracle.com
Cc: stefano.stabellini@eu.citrix.com, xen-devel@lists.xensource.com,
linux-kernel@vger.kernel.org
Subject: [PATCH v2] swiotlb-xen: add missing xen_dma_map_page call
Date: Fri, 15 Nov 2013 11:57:33 +0000 [thread overview]
Message-ID: <1384516653-28165-1-git-send-email-stefano.stabellini@eu.citrix.com> (raw)
swiotlb-xen is missing a xen_dma_map_page call in
xen_swiotlb_map_sg_attrs, in the bounce buffer path.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Changes in v2:
- reworked commit message.
---
drivers/xen/swiotlb-xen.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index a224bc7..1eac073 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -555,6 +555,11 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
sg_dma_len(sgl) = 0;
return 0;
}
+ xen_dma_map_page(hwdev, pfn_to_page(map >> PAGE_SHIFT),
+ map & ~PAGE_MASK,
+ sg->length,
+ dir,
+ attrs);
sg->dma_address = xen_phys_to_bus(map);
} else {
/* we are not interested in the dma_addr returned by
--
1.7.2.5
next reply other threads:[~2013-11-15 11:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-15 11:57 Stefano Stabellini [this message]
2013-11-15 14:15 ` [PATCH v2] swiotlb-xen: add missing xen_dma_map_page call Konrad Rzeszutek Wilk
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