* [PATCH v2] swiotlb-xen: add missing xen_dma_map_page call
@ 2013-11-15 11:57 Stefano Stabellini
2013-11-15 14:15 ` Konrad Rzeszutek Wilk
0 siblings, 1 reply; 2+ messages in thread
From: Stefano Stabellini @ 2013-11-15 11:57 UTC (permalink / raw)
To: konrad.wilk; +Cc: stefano.stabellini, xen-devel, linux-kernel
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
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH v2] swiotlb-xen: add missing xen_dma_map_page call
2013-11-15 11:57 [PATCH v2] swiotlb-xen: add missing xen_dma_map_page call Stefano Stabellini
@ 2013-11-15 14:15 ` Konrad Rzeszutek Wilk
0 siblings, 0 replies; 2+ messages in thread
From: Konrad Rzeszutek Wilk @ 2013-11-15 14:15 UTC (permalink / raw)
To: Stefano Stabellini; +Cc: xen-devel, linux-kernel
On Fri, Nov 15, 2013 at 11:57:33AM +0000, Stefano Stabellini wrote:
> 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>
>
Thank you!
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.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
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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