On Fri, Apr 23, 2021 at 10:31:46AM +, Tian, Kevin wrote:
> > From: Jason Gunthorpe
> > Sent: Friday, April 23, 2021 7:40 AM
> >
> > On Thu, Apr 22, 2021 at 04:38:08PM -0600, Alex Williamson wrote:
> >
> > > Because it's fundamental to the isolation of the device? What you're
> > > proposing
On Thu, Apr 22, 2021 at 11:13:37AM -0600, Alex Williamson wrote:
> On Wed, 21 Apr 2021 20:03:01 -0300
> Jason Gunthorpe wrote:
>
> > On Wed, Apr 21, 2021 at 01:33:12PM -0600, Alex Williamson wrote:
> >
> > > > I still expect that VFIO_GROUP_SET_CONTAINER will be used to connect
> > > > /dev/{ioa
On Thu, Apr 22, 2021 at 08:39:50PM -0300, Jason Gunthorpe wrote:
> On Thu, Apr 22, 2021 at 04:38:08PM -0600, Alex Williamson wrote:
>
> > Because it's fundamental to the isolation of the device? What you're
> > proposing doesn't get around the group issue, it just makes it implicit
> > rather tha
On Fri, Apr 23, 2021 at 07:28:03PM -0300, Jason Gunthorpe wrote:
> On Fri, Apr 23, 2021 at 10:38:51AM -0600, Alex Williamson wrote:
> > On Thu, 22 Apr 2021 20:39:50 -0300
>
> > > /dev/ioasid should understand the group concept somehow, otherwise it
> > > is incomplete and maybe even security broke
On Fri, Apr 23, 2021 at 9:35 PM Robin Murphy wrote:
>
> On 2021-04-22 09:15, Claire Chang wrote:
> > If a device is not behind an IOMMU, we look up the device node and set
> > up the restricted DMA when the restricted-dma-pool is presented.
> >
> > Signed-off-by: Claire Chang
> > ---
> > driver
On Fri, Apr 23, 2021 at 9:31 PM Robin Murphy wrote:
>
> On 2021-04-22 09:15, Claire Chang wrote:
> > Update is_swiotlb_active to add a struct device argument. This will be
> > useful later to allow for restricted DMA pool.
> >
> > Signed-off-by: Claire Chang
> > ---
> > drivers/gpu/drm/i915/gem
On Fri, Apr 23, 2021 at 7:34 PM Steven Price wrote:
>
> On 22/04/2021 09:14, Claire Chang wrote:
> > Add the initialization function to create restricted DMA pools from
> > matching reserved-memory nodes.
> >
> > Signed-off-by: Claire Chang
> > ---
> > include/linux/device.h | 4 +++
> > inc
On 26/04/2021 14:13, Thierry Reding wrote:
> On Mon, Apr 26, 2021 at 10:28:43AM +0200, Krzysztof Kozlowski wrote:
(...)
>>> +
>>> + value = readl(mc->regs + client->regs.sid.override);
>>> + old = value & MC_SID_STREAMID_OVERRIDE_MASK;
>>> +
>>> + if (old != sid) {
>>> + dev_dbg(m
On Sun, Apr 25, 2021 at 09:24:46AM +, Tian, Kevin wrote:
> > From: Jason Gunthorpe
> > Sent: Friday, April 23, 2021 7:50 PM
> >
> > On Fri, Apr 23, 2021 at 09:06:44AM +, Tian, Kevin wrote:
> >
> > > Or could we still have just one /dev/ioasid but allow userspace to create
> > > multiple
On Mon, Apr 26, 2021 at 10:28:43AM +0200, Krzysztof Kozlowski wrote:
> On 20/04/2021 19:26, Thierry Reding wrote:
> > From: Thierry Reding
> >
> > Instead of programming all SID overrides during early boot, perform the
> > operation on-demand after the SMMU translations have been set up for a
> >
On 20/04/2021 19:26, Thierry Reding wrote:
> From: Thierry Reding
>
> Instead of programming all SID overrides during early boot, perform the
> operation on-demand after the SMMU translations have been set up for a
> device. This reuses data from device tree to match memory clients for a
> device
26.04.2021 10:14, Thierry Reding пишет:
> On Sat, Apr 24, 2021 at 11:27:10PM +0300, Dmitry Osipenko wrote:
>> 23.04.2021 18:23, Dmitry Osipenko пишет:
>>> 23.04.2021 18:01, Guillaume Tucker пишет:
On 02/04/2021 15:40, Dmitry Osipenko wrote:
> 01.04.2021 11:55, Nicolin Chen пишет:
>> On
On Sat, Apr 24, 2021 at 11:27:10PM +0300, Dmitry Osipenko wrote:
> 23.04.2021 18:23, Dmitry Osipenko пишет:
> > 23.04.2021 18:01, Guillaume Tucker пишет:
> >> On 02/04/2021 15:40, Dmitry Osipenko wrote:
> >>> 01.04.2021 11:55, Nicolin Chen пишет:
> On Mon, Mar 29, 2021 at 02:32:56AM +0300, Dmi
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