Re: [PULL 04/29] arm/kvm: add support for MTE

2023-05-22 Thread Alex Bennée
Cornelia Huck writes: > On Fri, May 19 2023, Peter Maydell wrote: > >> On Fri, 19 May 2023 at 14:31, Peter Maydell wrote: >>> >>> On Fri, 19 May 2023 at 13:55, Alex Bennée wrote: >>> > >>> > >>> > Peter Maydell writes: >>> > >>> > > From: Cornelia Huck >>> > > >>> > > Extend the 'mte' prope

Re: [PULL 04/29] arm/kvm: add support for MTE

2023-05-22 Thread Cornelia Huck
On Fri, May 19 2023, Peter Maydell wrote: > On Fri, 19 May 2023 at 14:31, Peter Maydell wrote: >> >> On Fri, 19 May 2023 at 13:55, Alex Bennée wrote: >> > >> > >> > Peter Maydell writes: >> > >> > > From: Cornelia Huck >> > > >> > > Extend the 'mte' property for the virt machine to cover KVM

Re: [PULL 04/29] arm/kvm: add support for MTE

2023-05-19 Thread Peter Maydell
On Fri, 19 May 2023 at 14:31, Peter Maydell wrote: > > On Fri, 19 May 2023 at 13:55, Alex Bennée wrote: > > > > > > Peter Maydell writes: > > > > > From: Cornelia Huck > > > > > > Extend the 'mte' property for the virt machine to cover KVM as > > > well. For KVM, we don't allocate tag memory, b

Re: [PULL 04/29] arm/kvm: add support for MTE

2023-05-19 Thread Peter Maydell
On Fri, 19 May 2023 at 13:55, Alex Bennée wrote: > > > Peter Maydell writes: > > > From: Cornelia Huck > > > > Extend the 'mte' property for the virt machine to cover KVM as > > well. For KVM, we don't allocate tag memory, but instead enable the > > capability. > > > > If MTE has been enabled, w

Re: [PULL 04/29] arm/kvm: add support for MTE

2023-05-19 Thread Alex Bennée
Peter Maydell writes: > From: Cornelia Huck > > Extend the 'mte' property for the virt machine to cover KVM as > well. For KVM, we don't allocate tag memory, but instead enable the > capability. > > If MTE has been enabled, we need to disable migration, as we do not > yet have a way to migrate

[PULL 04/29] arm/kvm: add support for MTE

2023-05-18 Thread Peter Maydell
From: Cornelia Huck Extend the 'mte' property for the virt machine to cover KVM as well. For KVM, we don't allocate tag memory, but instead enable the capability. If MTE has been enabled, we need to disable migration, as we do not yet have a way to migrate the tags as well. Therefore, MTE will s