On 2023-09-25 14:29, Jason Gunthorpe wrote:
On Mon, Sep 25, 2023 at 02:07:50PM +0100, Robin Murphy wrote:
On 2023-09-23 00:33, Jason Gunthorpe wrote:
On Fri, Sep 22, 2023 at 07:07:40PM +0100, Robin Murphy wrote:
virtio isn't setting ops->pgsize_bitmap for the sake of direct mappings
either; i
On Mon, Sep 25, 2023 at 02:07:50PM +0100, Robin Murphy wrote:
> On 2023-09-23 00:33, Jason Gunthorpe wrote:
> > On Fri, Sep 22, 2023 at 07:07:40PM +0100, Robin Murphy wrote:
> >
> > > virtio isn't setting ops->pgsize_bitmap for the sake of direct mappings
> > > either; it sets it once it's discove
On 2023-09-23 00:33, Jason Gunthorpe wrote:
On Fri, Sep 22, 2023 at 07:07:40PM +0100, Robin Murphy wrote:
virtio isn't setting ops->pgsize_bitmap for the sake of direct mappings
either; it sets it once it's discovered any instance, since apparently it's
assuming that all instances must support
On Mon, Sep 25, 2023 at 10:48:21AM +0800, Baolu Lu wrote:
> On 9/23/23 7:33 AM, Jason Gunthorpe wrote:
> > On Fri, Sep 22, 2023 at 07:07:40PM +0100, Robin Murphy wrote:
> >
> > > virtio isn't setting ops->pgsize_bitmap for the sake of direct mappings
> > > either; it sets it once it's discovered a
On Fri, Sep 22, 2023 at 07:07:40PM +0100, Robin Murphy wrote:
> virtio isn't setting ops->pgsize_bitmap for the sake of direct mappings
> either; it sets it once it's discovered any instance, since apparently it's
> assuming that all instances must support identical page sizes, and thus once
> it'
On 22/09/2023 5:27 pm, Jason Gunthorpe wrote:
On Fri, Sep 22, 2023 at 02:13:18PM +0100, Robin Murphy wrote:
On 22/09/2023 1:41 pm, Jason Gunthorpe wrote:
On Fri, Sep 22, 2023 at 08:57:19AM +0100, Jean-Philippe Brucker wrote:
They're not strictly equivalent: this check works around a temporary
On Fri, Sep 22, 2023 at 02:13:18PM +0100, Robin Murphy wrote:
> On 22/09/2023 1:41 pm, Jason Gunthorpe wrote:
> > On Fri, Sep 22, 2023 at 08:57:19AM +0100, Jean-Philippe Brucker wrote:
> > > > > They're not strictly equivalent: this check works around a temporary
> > > > > issue
> > > > > with the
On 22/09/2023 1:41 pm, Jason Gunthorpe wrote:
On Fri, Sep 22, 2023 at 08:57:19AM +0100, Jean-Philippe Brucker wrote:
They're not strictly equivalent: this check works around a temporary issue
with the IOMMU core, which calls map/unmap before the domain is
finalized.
Where? The above points to
On Fri, Sep 22, 2023 at 08:57:19AM +0100, Jean-Philippe Brucker wrote:
> > > They're not strictly equivalent: this check works around a temporary issue
> > > with the IOMMU core, which calls map/unmap before the domain is
> > > finalized.
> >
> > Where? The above points to iommu_create_device_dire
On Tue, Sep 19, 2023 at 11:46:49AM -0300, Jason Gunthorpe wrote:
> On Tue, Sep 19, 2023 at 09:15:19AM +0100, Jean-Philippe Brucker wrote:
> > On Mon, Sep 18, 2023 at 05:37:47PM +0100, Robin Murphy wrote:
> > > > diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
> > > > index
On Tue, Sep 19, 2023 at 09:28:08AM +0100, Robin Murphy wrote:
> On 2023-09-19 09:15, Jean-Philippe Brucker wrote:
> > On Mon, Sep 18, 2023 at 05:37:47PM +0100, Robin Murphy wrote:
> > > > diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
> > > > index 17dcd826f5c2..3649586f0e
On Tue, Sep 19, 2023 at 09:15:19AM +0100, Jean-Philippe Brucker wrote:
> On Mon, Sep 18, 2023 at 05:37:47PM +0100, Robin Murphy wrote:
> > > diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
> > > index 17dcd826f5c2..3649586f0e5c 100644
> > > --- a/drivers/iommu/virtio-iommu.
On 2023-09-19 09:15, Jean-Philippe Brucker wrote:
On Mon, Sep 18, 2023 at 05:37:47PM +0100, Robin Murphy wrote:
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index 17dcd826f5c2..3649586f0e5c 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@
On Mon, Sep 18, 2023 at 05:37:47PM +0100, Robin Murphy wrote:
> > diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
> > index 17dcd826f5c2..3649586f0e5c 100644
> > --- a/drivers/iommu/virtio-iommu.c
> > +++ b/drivers/iommu/virtio-iommu.c
> > @@ -189,6 +189,12 @@ static int vi
On 2023-09-18 12:51, Niklas Schnelle wrote:
Pull out the sync operation from viommu_map_pages() by implementing
ops->iotlb_sync_map. This allows the common IOMMU code to map multiple
elements of an sg with a single sync (see iommu_map_sg()). Furthermore,
it is also a requirement for IOMMU_CAP_DEF
On Mon, Sep 18, 2023 at 01:51:43PM +0200, Niklas Schnelle wrote:
> Pull out the sync operation from viommu_map_pages() by implementing
> ops->iotlb_sync_map. This allows the common IOMMU code to map multiple
> elements of an sg with a single sync (see iommu_map_sg()). Furthermore,
> it is also a re
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