Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-03 Thread Julien Grall
Hi Stefano, On 03/03/17 00:53, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall wrote: On 02/03/2017 22:39, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall wrote: Hi Stefano, On 02/03/17 19:12, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall wrote: On 02/03/

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Stefano Stabellini
On Thu, 2 Mar 2017, Julien Grall wrote: > On 02/03/2017 22:39, Stefano Stabellini wrote: > > On Thu, 2 Mar 2017, Julien Grall wrote: > > > Hi Stefano, > > > > > > On 02/03/17 19:12, Stefano Stabellini wrote: > > > > On Thu, 2 Mar 2017, Julien Grall wrote: > > > > > On 02/03/17 08:53, Edgar E. Igle

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Julien Grall
On 02/03/2017 23:07, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Edgar E. Iglesias wrote: On Thu, Mar 02, 2017 at 02:39:55PM -0800, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall wrote: Hi Stefano, On 02/03/17 19:12, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Julien Grall
On 02/03/2017 22:39, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall wrote: Hi Stefano, On 02/03/17 19:12, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall wrote: On 02/03/17 08:53, Edgar E. Iglesias wrote: On Thu, Mar 02, 2017 at 09:38:37AM +0100, Edgar E. Iglesias wr

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Stefano Stabellini
On Thu, 2 Mar 2017, Edgar E. Iglesias wrote: > On Thu, Mar 02, 2017 at 02:39:55PM -0800, Stefano Stabellini wrote: > > On Thu, 2 Mar 2017, Julien Grall wrote: > > > Hi Stefano, > > > > > > On 02/03/17 19:12, Stefano Stabellini wrote: > > > > On Thu, 2 Mar 2017, Julien Grall wrote: > > > > > On 02/

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Edgar E. Iglesias
On Thu, Mar 02, 2017 at 02:39:55PM -0800, Stefano Stabellini wrote: > On Thu, 2 Mar 2017, Julien Grall wrote: > > Hi Stefano, > > > > On 02/03/17 19:12, Stefano Stabellini wrote: > > > On Thu, 2 Mar 2017, Julien Grall wrote: > > > > On 02/03/17 08:53, Edgar E. Iglesias wrote: > > > > > On Thu, Mar

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Stefano Stabellini
On Thu, 2 Mar 2017, Julien Grall wrote: > Hi Stefano, > > On 02/03/17 19:12, Stefano Stabellini wrote: > > On Thu, 2 Mar 2017, Julien Grall wrote: > > > On 02/03/17 08:53, Edgar E. Iglesias wrote: > > > > On Thu, Mar 02, 2017 at 09:38:37AM +0100, Edgar E. Iglesias wrote: > > > > > On Wed, Mar 01,

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Julien Grall
Hi Stefano, On 02/03/17 19:12, Stefano Stabellini wrote: On Thu, 2 Mar 2017, Julien Grall wrote: On 02/03/17 08:53, Edgar E. Iglesias wrote: On Thu, Mar 02, 2017 at 09:38:37AM +0100, Edgar E. Iglesias wrote: On Wed, Mar 01, 2017 at 05:05:21PM -0800, Stefano Stabellini wrote: Julien, from loo

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Stefano Stabellini
On Thu, 2 Mar 2017, Julien Grall wrote: > On 02/03/17 08:53, Edgar E. Iglesias wrote: > > On Thu, Mar 02, 2017 at 09:38:37AM +0100, Edgar E. Iglesias wrote: > > > On Wed, Mar 01, 2017 at 05:05:21PM -0800, Stefano Stabellini wrote: > > > > Hi all, > > > > > > > > Edgar reported a data corruption on

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Julien Grall
Hi Edgar, On 02/03/17 08:53, Edgar E. Iglesias wrote: On Thu, Mar 02, 2017 at 09:38:37AM +0100, Edgar E. Iglesias wrote: On Wed, Mar 01, 2017 at 05:05:21PM -0800, Stefano Stabellini wrote: Hi all, Edgar reported a data corruption on network packets in dom0 when the swiotlb-xen is in use. He a

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Edgar E. Iglesias
On Thu, Mar 02, 2017 at 09:38:37AM +0100, Edgar E. Iglesias wrote: > On Wed, Mar 01, 2017 at 05:05:21PM -0800, Stefano Stabellini wrote: > > Hi all, > > > > Edgar reported a data corruption on network packets in dom0 when the > > swiotlb-xen is in use. He also reported that the following patch "fi

Re: [Xen-devel] xen/arm and swiotlb-xen: possible data corruption

2017-03-02 Thread Edgar E. Iglesias
On Wed, Mar 01, 2017 at 05:05:21PM -0800, Stefano Stabellini wrote: > Hi all, > > Edgar reported a data corruption on network packets in dom0 when the > swiotlb-xen is in use. He also reported that the following patch "fixes" > the problem for him: > > static void __xen_dma_page_cpu_to_dev(struc