On Sun, Nov 13, 2022 at 8:46 AM Marc Zyngier wrote:
>
> Allow userspace to write ID_AA64DFR0_EL1, on the condition that only
> the PMUver field can be altered and be at most the one that was
> initially computed for the guest.
>
> Signed-off-by: Marc Zyngier
Reviewed-by: Reiji Watanabe
Allow userspace to write ID_AA64DFR0_EL1, on the condition that only
the PMUver field can be altered and be at most the one that was
initially computed for the guest.
Signed-off-by: Marc Zyngier
---
arch/arm64/kvm/sys_regs.c | 42 ++-
1 file changed, 41 insert