Re: [PATCH v5 0/4] Allow userspace to change ID_AA64PFR1_EL1

2024-08-25 Thread Marc Zyngier
On Sun, 25 Aug 2024 18:09:48 +0100, "Russell King (Oracle)" wrote: > > On Sun, Aug 25, 2024 at 05:46:36PM +0100, Marc Zyngier wrote: > > On Tue, 23 Jul 2024 08:19:59 +0100, > > Shaoqin Huang wrote: > > > > > > Hi guys, > > > > > > This is another try to allow userspace to change ID_AA64PFR1_EL

Re: [PATCH v5 0/4] Allow userspace to change ID_AA64PFR1_EL1

2024-08-25 Thread Russell King (Oracle)
On Sun, Aug 25, 2024 at 05:46:36PM +0100, Marc Zyngier wrote: > On Tue, 23 Jul 2024 08:19:59 +0100, > Shaoqin Huang wrote: > > > > Hi guys, > > > > This is another try to allow userspace to change ID_AA64PFR1_EL1, and we > > want to > > give userspace the ability to control the visible feature

Re: [PATCH v5 0/4] Allow userspace to change ID_AA64PFR1_EL1

2024-08-25 Thread Marc Zyngier
On Tue, 23 Jul 2024 03:19:59 -0400, Shaoqin Huang wrote: > This is another try to allow userspace to change ID_AA64PFR1_EL1, and we want > to > give userspace the ability to control the visible feature set for a VM, which > could be used by userspace in such a way to transparently migrate VMs. >

Re: [PATCH v5 0/4] Allow userspace to change ID_AA64PFR1_EL1

2024-08-25 Thread Marc Zyngier
On Tue, 23 Jul 2024 08:19:59 +0100, Shaoqin Huang wrote: > > Hi guys, > > This is another try to allow userspace to change ID_AA64PFR1_EL1, and we want > to > give userspace the ability to control the visible feature set for a VM, which > could be used by userspace in such a way to transparentl

Re: [PATCH v5 0/4] Allow userspace to change ID_AA64PFR1_EL1

2024-08-20 Thread Shaoqin Huang
Hi Marc, Oliver, Kindly ping for this series. Welcome your feedbacks. I wonder if this implementation satisfy your expectation? Thanks, Shaoqin On 7/23/24 15:19, Shaoqin Huang wrote: Hi guys, This is another try to allow userspace to change ID_AA64PFR1_EL1, and we want to give userspace the

[PATCH v5 0/4] Allow userspace to change ID_AA64PFR1_EL1

2024-07-23 Thread Shaoqin Huang
Hi guys, This is another try to allow userspace to change ID_AA64PFR1_EL1, and we want to give userspace the ability to control the visible feature set for a VM, which could be used by userspace in such a way to transparently migrate VMs. The patch series have four part: The first patch disable