| Message ID | 1384265520-6833-1-git-send-email-stefano.stabellini@eu.citrix.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Nov 12, 2013 at 02:11:59PM +0000, Stefano Stabellini wrote: > swiotlb-xen is missing a xen_dma_map_page call in > xen_swiotlb_map_sg_attrs, in the slow path. s/slow/bounce buffer/ I believe? > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > --- > 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 > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel
On Tue, 12 Nov 2013, Konrad Rzeszutek Wilk wrote: > On Tue, Nov 12, 2013 at 02:11:59PM +0000, Stefano Stabellini wrote: > > swiotlb-xen is missing a xen_dma_map_page call in > > xen_swiotlb_map_sg_attrs, in the slow path. > > s/slow/bounce buffer/ I believe? right > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > > --- > > 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 > > > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@lists.xen.org > > http://lists.xen.org/xen-devel >
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
swiotlb-xen is missing a xen_dma_map_page call in xen_swiotlb_map_sg_attrs, in the slow path. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- drivers/xen/swiotlb-xen.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)