On Fri, Oct 22, 2021 at 06:16:27AM -0400, Michael S. Tsirkin wrote:
> On Wed, Oct 13, 2021 at 01:10:48PM +0100, Jean-Philippe Brucker wrote:
> > Support identity domains, allowing to only enable IOMMU protection for a
> > subset of endpoints (those assigned to userspace, for example). Users
> > may
On Wed, Oct 13, 2021 at 01:10:48PM +0100, Jean-Philippe Brucker wrote:
> Support identity domains, allowing to only enable IOMMU protection for a
> subset of endpoints (those assigned to userspace, for example). Users
> may enable identity domains at compile time
> (CONFIG_IOMMU_DEFAULT_PASSTHROUGH
> From: Jean-Philippe Brucker
> Sent: Wednesday, October 13, 2021 8:11 PM
>
> Support identity domains, allowing to only enable IOMMU protection for a
> subset of endpoints (those assigned to userspace, for example). Users
> may enable identity domains at compile time
> (CONFIG_IOMMU_DEFAULT_PASS
> From: Jean-Philippe Brucker
> Sent: Monday, October 18, 2021 11:24 PM
>
> On Thu, Oct 14, 2021 at 03:00:38AM +, Tian, Kevin wrote:
> > > From: Jean-Philippe Brucker
> > > Sent: Wednesday, October 13, 2021 8:11 PM
> > >
> > > Support identity domains, allowing to only enable IOMMU protectio
> From: j...@8bytes.org
> Sent: Monday, October 18, 2021 7:38 PM
>
> On Thu, Oct 14, 2021 at 03:00:38AM +, Tian, Kevin wrote:
> > I saw a concept of deferred attach in iommu core. See iommu_is_
> > attach_deferred(). Currently this is vendor specific and I haven't
> > looked into the exact re
On Tue, Oct 19, 2021 at 09:22:13AM +0800, Jason Wang wrote:
> > > So I think clarifying system reset should address your questions.
> > > I believe we should leave bypass sticky across device reset, so a FW->OS
> > > transition, where the OS resets the device, does not open a vulnerability
> > > (i
On Mon, Oct 18, 2021 at 11:35 PM Michael S. Tsirkin wrote:
>
> On Mon, Oct 18, 2021 at 04:23:41PM +0100, Jean-Philippe Brucker wrote:
> > On Thu, Oct 14, 2021 at 03:00:38AM +, Tian, Kevin wrote:
> > > > From: Jean-Philippe Brucker
> > > > Sent: Wednesday, October 13, 2021 8:11 PM
> > > >
> >
On Mon, Oct 18, 2021 at 04:23:41PM +0100, Jean-Philippe Brucker wrote:
> On Thu, Oct 14, 2021 at 03:00:38AM +, Tian, Kevin wrote:
> > > From: Jean-Philippe Brucker
> > > Sent: Wednesday, October 13, 2021 8:11 PM
> > >
> > > Support identity domains, allowing to only enable IOMMU protection fo
On Thu, Oct 14, 2021 at 03:00:38AM +, Tian, Kevin wrote:
> > From: Jean-Philippe Brucker
> > Sent: Wednesday, October 13, 2021 8:11 PM
> >
> > Support identity domains, allowing to only enable IOMMU protection for a
> > subset of endpoints (those assigned to userspace, for example). Users
> >
On Thu, Oct 14, 2021 at 03:00:38AM +, Tian, Kevin wrote:
> I saw a concept of deferred attach in iommu core. See iommu_is_
> attach_deferred(). Currently this is vendor specific and I haven't
> looked into the exact reason why some vendor sets it now. Just
> be curious whether the same reason m
> From: Jean-Philippe Brucker
> Sent: Wednesday, October 13, 2021 8:11 PM
>
> Support identity domains, allowing to only enable IOMMU protection for a
> subset of endpoints (those assigned to userspace, for example). Users
> may enable identity domains at compile time
> (CONFIG_IOMMU_DEFAULT_PASS
Support identity domains, allowing to only enable IOMMU protection for a
subset of endpoints (those assigned to userspace, for example). Users
may enable identity domains at compile time
(CONFIG_IOMMU_DEFAULT_PASSTHROUGH), boot time (iommu.passthrough=1) or
runtime (/sys/kernel/iommu_groups/*/type
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