Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-22 Thread Juergen Gross
On 18/09/17 20:08, Stefano Stabellini wrote: > On Fri, 15 Sep 2017, Greg KH wrote: >> On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: >>> Hi all, >>> >>> We are getting reports from Xen on ARM users about DMA issues. The >>> problem is that the commit below >>>

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-22 Thread Juergen Gross
On 18/09/17 20:08, Stefano Stabellini wrote: > On Fri, 15 Sep 2017, Greg KH wrote: >> On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: >>> Hi all, >>> >>> We are getting reports from Xen on ARM users about DMA issues. The >>> problem is that the commit below >>>

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-20 Thread Stefano Stabellini
On Wed, 20 Sep 2017, Leonard Crestez wrote: > On Mon, 2017-09-18 at 11:08 -0700, Stefano Stabellini wrote: > On Fri, 15 Sep 2017, Greg KH wrote: > > On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > > > Hi all, > > >  > > > We are getting reports from Xen on ARM users about DMA

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-20 Thread Stefano Stabellini
On Wed, 20 Sep 2017, Leonard Crestez wrote: > On Mon, 2017-09-18 at 11:08 -0700, Stefano Stabellini wrote: > On Fri, 15 Sep 2017, Greg KH wrote: > > On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > > > Hi all, > > >  > > > We are getting reports from Xen on ARM users about DMA

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-20 Thread Leonard Crestez
On Mon, 2017-09-18 at 11:08 -0700, Stefano Stabellini wrote: On Fri, 15 Sep 2017, Greg KH wrote: > On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > > Hi all, > >  > > We are getting reports from Xen on ARM users about DMA issues. The > > problem is that the commit below > >

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-20 Thread Leonard Crestez
On Mon, 2017-09-18 at 11:08 -0700, Stefano Stabellini wrote: On Fri, 15 Sep 2017, Greg KH wrote: > On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > > Hi all, > >  > > We are getting reports from Xen on ARM users about DMA issues. The > > problem is that the commit below > >

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-19 Thread Stefano Stabellini
On Mon, 18 Sep 2017, Boris Ostrovsky wrote: > On 09/18/2017 02:08 PM, Stefano Stabellini wrote: > > On Fri, 15 Sep 2017, Greg KH wrote: > >> On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > >>> Hi all, > >>> > >>> We are getting reports from Xen on ARM users about DMA issues.

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-19 Thread Stefano Stabellini
On Mon, 18 Sep 2017, Boris Ostrovsky wrote: > On 09/18/2017 02:08 PM, Stefano Stabellini wrote: > > On Fri, 15 Sep 2017, Greg KH wrote: > >> On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > >>> Hi all, > >>> > >>> We are getting reports from Xen on ARM users about DMA issues.

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-18 Thread Boris Ostrovsky
On 09/18/2017 02:08 PM, Stefano Stabellini wrote: > On Fri, 15 Sep 2017, Greg KH wrote: >> On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: >>> Hi all, >>> >>> We are getting reports from Xen on ARM users about DMA issues. The >>> problem is that the commit below >>>

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-18 Thread Boris Ostrovsky
On 09/18/2017 02:08 PM, Stefano Stabellini wrote: > On Fri, 15 Sep 2017, Greg KH wrote: >> On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: >>> Hi all, >>> >>> We are getting reports from Xen on ARM users about DMA issues. The >>> problem is that the commit below >>>

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-18 Thread Stefano Stabellini
On Fri, 15 Sep 2017, Greg KH wrote: > On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > > Hi all, > > > > We are getting reports from Xen on ARM users about DMA issues. The > > problem is that the commit below > > (7e91c7df29b5e196de3dc6f086c8937973bd0b88) is necessary to

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-18 Thread Stefano Stabellini
On Fri, 15 Sep 2017, Greg KH wrote: > On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > > Hi all, > > > > We are getting reports from Xen on ARM users about DMA issues. The > > problem is that the commit below > > (7e91c7df29b5e196de3dc6f086c8937973bd0b88) is necessary to

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-15 Thread Greg KH
On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > Hi all, > > We are getting reports from Xen on ARM users about DMA issues. The > problem is that the commit below > (7e91c7df29b5e196de3dc6f086c8937973bd0b88) is necessary to support mmap > on Xen on ARM. It is self-contained

Re: [BACKPORT] swiotlb-xen: implement xen_swiotlb_dma_mmap callback

2017-09-15 Thread Greg KH
On Thu, Sep 14, 2017 at 04:23:05PM -0700, Stefano Stabellini wrote: > Hi all, > > We are getting reports from Xen on ARM users about DMA issues. The > problem is that the commit below > (7e91c7df29b5e196de3dc6f086c8937973bd0b88) is necessary to support mmap > on Xen on ARM. It is self-contained