Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-22 Thread Andrea Bolognani
On Mon, May 22, 2023 at 11:55:15AM +0200, Cornelia Huck wrote: > On Wed, May 17 2023, Andrea Bolognani wrote: > > Migration is of course the most obvious failure scenario, but one of > > the critical features offered by libvirt is guest ABI compatibility. > > > > If the user needs MTE3

Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-22 Thread Cornelia Huck
On Wed, May 17 2023, Andrea Bolognani wrote: > On Wed, May 17, 2023 at 11:19:17AM +0200, Cornelia Huck wrote: >> This has been through some iterations... we (as in people working on >> this in QEMU) need to decide on where to go with cpu features, cpu >> models, etc. on Arm, but for now, it's a

Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-17 Thread Andrea Bolognani
On Wed, May 17, 2023 at 11:19:17AM +0200, Cornelia Huck wrote: > This has been through some iterations... we (as in people working on > this in QEMU) need to decide on where to go with cpu features, cpu > models, etc. on Arm, but for now, it's a virt machine property. > > I have considered doing a

Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-17 Thread Andrea Bolognani
On Wed, May 17, 2023 at 09:14:02AM +0200, Michal Prívozník wrote: > On 5/16/23 18:32, Andrea Bolognani wrote: > > Last but not least, the way detection has been implemented is not > > accurate: as of today, QEMU does *not* support enabling MTE with KVM. > > Patches adding this feature have been

Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-17 Thread Cornelia Huck
On Wed, May 17 2023, Michal Prívozník wrote: > On 5/16/23 18:32, Andrea Bolognani wrote: >> On Tue, May 16, 2023 at 12:54:12PM +0200, Michal Privoznik wrote: >>> Michal Prívozník (4): >>> conf: Introduce MTE domain feature >>> qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability >>>

Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-17 Thread Michal Prívozník
On 5/16/23 18:32, Andrea Bolognani wrote: > On Tue, May 16, 2023 at 12:54:12PM +0200, Michal Privoznik wrote: >> Michal Prívozník (4): >> conf: Introduce MTE domain feature >> qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability >> qemu: Validate MTE feature >> qemu: Generate command

Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-16 Thread Andrea Bolognani
On Tue, May 16, 2023 at 12:54:12PM +0200, Michal Privoznik wrote: > Michal Prívozník (4): > conf: Introduce MTE domain feature > qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability > qemu: Validate MTE feature > qemu: Generate command line for MTE feature I wish I'd managed to see this

Re: [PATCH 0/4] Introduce ARM MTE feature

2023-05-16 Thread Martin Kletzander
On Tue, May 16, 2023 at 12:54:12PM +0200, Michal Privoznik wrote: *** BLURB HERE *** Michal Prívozník (4): conf: Introduce MTE domain feature qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability qemu: Validate MTE feature qemu: Generate command line for MTE feature With the two points

[PATCH 0/4] Introduce ARM MTE feature

2023-05-16 Thread Michal Privoznik
*** BLURB HERE *** Michal Prívozník (4): conf: Introduce MTE domain feature qemu:: Introduce QEMU_CAPS_MACHINE_VIRT_MTE capability qemu: Validate MTE feature qemu: Generate command line for MTE feature docs/formatdomain.rst | 7 + src/conf/domain_conf.c