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Date: Tue, 12 Nov 2013 09:45:00 -0500 From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> To: Stefano Stabellini <stefano.stabellini@...citrix.com> Cc: xen-devel@...ts.xensource.com, konrad@...nel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [Xen-devel] [PATCH 1/2] swiotlb-xen: add missing xen_dma_map_page call 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@...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@...ts.xen.org > http://lists.xen.org/xen-devel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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