Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-18 Thread Sumit Semwal
Hi Thomas, On Fri, 18 Sep 2020 at 11:36, Sumit Semwal wrote: > > Hello Thomas, > > On Mon, 14 Sep 2020 at 16:55, Thomas Zimmermann wrote: > > > > Dma-buf provides vmap() and vunmap() for retrieving and releasing mappings > > of dma-buf memory in kernel address space. The functions operate with

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-18 Thread Sumit Semwal
Hello Thomas, On Mon, 14 Sep 2020 at 16:55, Thomas Zimmermann wrote: > > Dma-buf provides vmap() and vunmap() for retrieving and releasing mappings > of dma-buf memory in kernel address space. The functions operate with plain > addresses and the assumption is that the memory can be accessed with

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-17 Thread Christian König
Am 17.09.20 um 09:16 schrieb Thomas Zimmermann: Hi Christian and Thomas Am 16.09.20 um 15:37 schrieb Thomas Hellström (Intel): On 9/16/20 2:59 PM, Christian König wrote: Am 16.09.20 um 14:24 schrieb Daniel Vetter: On Wed, Sep 16, 2020 at 12:48:20PM +0200, Thomas Zimmermann wrote: Hi Am

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-17 Thread Thomas Zimmermann
Hi Christian and Thomas Am 16.09.20 um 15:37 schrieb Thomas Hellström (Intel): > > On 9/16/20 2:59 PM, Christian König wrote: >> Am 16.09.20 um 14:24 schrieb Daniel Vetter: >>> On Wed, Sep 16, 2020 at 12:48:20PM +0200, Thomas Zimmermann wrote: Hi Am 16.09.20 um 11:37 schrieb

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-16 Thread Intel
On 9/16/20 2:59 PM, Christian König wrote: Am 16.09.20 um 14:24 schrieb Daniel Vetter: On Wed, Sep 16, 2020 at 12:48:20PM +0200, Thomas Zimmermann wrote: Hi Am 16.09.20 um 11:37 schrieb Daniel Vetter: On Mon, Sep 14, 2020 at 01:25:18PM +0200, Thomas Zimmermann wrote: Dma-buf provides vmap()

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-16 Thread Thomas Zimmermann
Hi Am 16.09.20 um 14:59 schrieb Christian König: > Am 16.09.20 um 14:24 schrieb Daniel Vetter: >> On Wed, Sep 16, 2020 at 12:48:20PM +0200, Thomas Zimmermann wrote: >>> Hi >>> >>> Am 16.09.20 um 11:37 schrieb Daniel Vetter: On Mon, Sep 14, 2020 at 01:25:18PM +0200, Thomas Zimmermann wrote:

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-16 Thread Christian König
Am 16.09.20 um 14:24 schrieb Daniel Vetter: On Wed, Sep 16, 2020 at 12:48:20PM +0200, Thomas Zimmermann wrote: Hi Am 16.09.20 um 11:37 schrieb Daniel Vetter: On Mon, Sep 14, 2020 at 01:25:18PM +0200, Thomas Zimmermann wrote: Dma-buf provides vmap() and vunmap() for retrieving and releasing

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-16 Thread Daniel Vetter
On Wed, Sep 16, 2020 at 12:48:20PM +0200, Thomas Zimmermann wrote: > Hi > > Am 16.09.20 um 11:37 schrieb Daniel Vetter: > > On Mon, Sep 14, 2020 at 01:25:18PM +0200, Thomas Zimmermann wrote: > >> Dma-buf provides vmap() and vunmap() for retrieving and releasing mappings > >> of dma-buf memory in

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-16 Thread Thomas Zimmermann
Hi Am 16.09.20 um 11:37 schrieb Daniel Vetter: > On Mon, Sep 14, 2020 at 01:25:18PM +0200, Thomas Zimmermann wrote: >> Dma-buf provides vmap() and vunmap() for retrieving and releasing mappings >> of dma-buf memory in kernel address space. The functions operate with plain >> addresses and the

Re: [PATCH 0/3] dma-buf: Flag vmap'ed memory as system or I/O memory

2020-09-16 Thread Daniel Vetter
On Mon, Sep 14, 2020 at 01:25:18PM +0200, Thomas Zimmermann wrote: > Dma-buf provides vmap() and vunmap() for retrieving and releasing mappings > of dma-buf memory in kernel address space. The functions operate with plain > addresses and the assumption is that the memory can be accessed with load