From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH v2] swiotlb-xen: add missing xen_dma_map_page call Date: Fri, 15 Nov 2013 09:15:18 -0500 Message-ID: <20131115141518.GD27991@phenom.dumpdata.com> References: <1384516653-28165-1-git-send-email-stefano.stabellini@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1384516653-28165-1-git-send-email-stefano.stabellini@eu.citrix.com> Sender: linux-kernel-owner@vger.kernel.org To: Stefano Stabellini Cc: xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org List-Id: xen-devel@lists.xenproject.org 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 > Thank you! Acked-by: Konrad Rzeszutek Wilk > 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 >