On Friday 12 Mar 2021 at 11:18:05 (+), Will Deacon wrote:
> On Fri, Mar 12, 2021 at 10:13:26AM +, Quentin Perret wrote:
> > On Friday 12 Mar 2021 at 09:32:06 (+), Will Deacon wrote:
> > > I'm not saying to use the VMID directly, just that allocating half of the
> > > pte feels a bit OTT
On Fri, Mar 12, 2021 at 10:13:26AM +, Quentin Perret wrote:
> On Friday 12 Mar 2021 at 09:32:06 (+), Will Deacon wrote:
> > I'm not saying to use the VMID directly, just that allocating half of the
> > pte feels a bit OTT given that the state of things after this patch series
> > is that we
On Friday 12 Mar 2021 at 09:32:06 (+), Will Deacon wrote:
> I'm not saying to use the VMID directly, just that allocating half of the
> pte feels a bit OTT given that the state of things after this patch series
> is that we're using exactly 1 bit.
Right, and that was the reason for the PROT_NO
On Fri, Mar 12, 2021 at 06:23:00AM +, Quentin Perret wrote:
> On Thursday 11 Mar 2021 at 18:38:36 (+), Will Deacon wrote:
> > On Wed, Mar 10, 2021 at 05:57:45PM +, Quentin Perret wrote:
> > > As the host stage 2 will be identity mapped, all the .hyp memory regions
> > > and/or memory pa
On Thursday 11 Mar 2021 at 18:38:36 (+), Will Deacon wrote:
> On Wed, Mar 10, 2021 at 05:57:45PM +, Quentin Perret wrote:
> > As the host stage 2 will be identity mapped, all the .hyp memory regions
> > and/or memory pages donated to protected guestis will have to marked
> > invalid in the
On Wed, Mar 10, 2021 at 05:57:45PM +, Quentin Perret wrote:
> As the host stage 2 will be identity mapped, all the .hyp memory regions
> and/or memory pages donated to protected guestis will have to marked
> invalid in the host stage 2 page-table. At the same time, the hypervisor
> will need a
As the host stage 2 will be identity mapped, all the .hyp memory regions
and/or memory pages donated to protected guestis will have to marked
invalid in the host stage 2 page-table. At the same time, the hypervisor
will need a way to track the ownership of each physical page to ensure
memory sharin
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