On Thu, Aug 18, 2022 at 03:37:01PM +0200, Christian König wrote:
> Am 18.08.22 um 15:16 schrieb Jason Gunthorpe:
> > On Thu, Aug 18, 2022 at 02:58:10PM +0200, Christian König wrote:
> >
> > > > > The only thing I'm not 100% convinced of is dma_buf_try_get(), I've
> > > > > seen
> > > > > this inc
On Thu, Aug 18, 2022 at 01:07:16PM +0200, Christian König wrote:
> Am 17.08.22 um 18:11 schrieb Jason Gunthorpe:
> > dma-buf has become a way to safely acquire a handle to non-struct page
> > memory that can still have lifetime controlled by the exporter. Notably
> > RDMA can now import dma-buf FDs
On Thu, 18 Aug 2022 09:05:24 -0300
Jason Gunthorpe wrote:
> On Wed, Aug 17, 2022 at 01:11:38PM -0300, Jason Gunthorpe wrote:
> > dma-buf has become a way to safely acquire a handle to non-struct page
> > memory that can still have lifetime controlled by the exporter. Notably
> > RDMA can now impo
Am 19.08.22 um 15:39 schrieb Jason Gunthorpe:
On Fri, Aug 19, 2022 at 03:33:04PM +0200, Christian König wrote:
So we could delete the try_buf and just rely on move being safe on
partially destroyed dma_buf's as part of the API design.
I think that might be the more defensive approach. A commen
On Fri, Aug 19, 2022 at 03:33:04PM +0200, Christian König wrote:
> > > > So we could delete the try_buf and just rely on move being safe on
> > > > partially destroyed dma_buf's as part of the API design.
> > > I think that might be the more defensive approach. A comment on the
> > > dma_buf_move_
Am 19.08.22 um 15:11 schrieb Jason Gunthorpe:
On Thu, Aug 18, 2022 at 03:37:01PM +0200, Christian König wrote:
Am 18.08.22 um 15:16 schrieb Jason Gunthorpe:
On Thu, Aug 18, 2022 at 02:58:10PM +0200, Christian König wrote:
The only thing I'm not 100% convinced of is dma_buf_try_get(), I've see
Am 18.08.22 um 15:16 schrieb Jason Gunthorpe:
On Thu, Aug 18, 2022 at 02:58:10PM +0200, Christian König wrote:
The only thing I'm not 100% convinced of is dma_buf_try_get(), I've seen
this incorrectly used so many times that I can't count them any more.
Would that be somehow avoidable? Or coul
On Thu, Aug 18, 2022 at 02:58:10PM +0200, Christian König wrote:
> > > The only thing I'm not 100% convinced of is dma_buf_try_get(), I've seen
> > > this incorrectly used so many times that I can't count them any more.
> > >
> > > Would that be somehow avoidable? Or could you at least explain th
Am 18.08.22 um 14:03 schrieb Jason Gunthorpe:
On Thu, Aug 18, 2022 at 01:07:16PM +0200, Christian König wrote:
Am 17.08.22 um 18:11 schrieb Jason Gunthorpe:
dma-buf has become a way to safely acquire a handle to non-struct page
memory that can still have lifetime controlled by the exporter.
On Wed, Aug 17, 2022 at 01:11:38PM -0300, Jason Gunthorpe wrote:
> dma-buf has become a way to safely acquire a handle to non-struct page
> memory that can still have lifetime controlled by the exporter. Notably
> RDMA can now import dma-buf FDs and build them into MRs which allows for
> PCI P2P op
Am 17.08.22 um 18:11 schrieb Jason Gunthorpe:
dma-buf has become a way to safely acquire a handle to non-struct page
memory that can still have lifetime controlled by the exporter. Notably
RDMA can now import dma-buf FDs and build them into MRs which allows for
PCI P2P operations. Extend this to
dma-buf has become a way to safely acquire a handle to non-struct page
memory that can still have lifetime controlled by the exporter. Notably
RDMA can now import dma-buf FDs and build them into MRs which allows for
PCI P2P operations. Extend this to allow vfio-pci to export MMIO memory
from PCI de
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