On Mon, Aug 21 2023, Jing Zhang <jingzhangos@xxxxxxxxxx> wrote:
> This patch series enable userspace writable for below idregs:
> ID_AA64DFR0_EL1, ID_DFR0_EL1, ID_AA64PFR0_EL1, ID_AA64MMFR{0, 1, 2, 3}_EL1.
> A vm ioctl is added to get feature ID register writable masks from userspace.
> A selftest is added to verify that KVM handles the writings from user space
> correctly.
> A relevant patch from Oliver is picked from [3].
>
> ---
>
> * v8 -> v9
> - Rebase on v6.5-rc7.
> - Don't allow writable on RES0 fields and those fields not exposed by KVM.
> - Fixed build dependency issue for system register definition generation in
> selftest.
What about the changes to the userspace interface as proposed by Marc in
<86sf8hg45k.wl-maz@xxxxxxxxxx>?
