On Fri, 12 Sep 2025 10:25:28 +0100,
Mark Brown <broo...@kernel.org> wrote:
>
> diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
> index 82ffb3b3b3cf..03fb2dce0b80 100644
> --- a/arch/arm64/kvm/sys_regs.c
> +++ b/arch/arm64/kvm/sys_regs.c
> @@ -138,6 +138,8 @@ static bool get_el2_to_el1_mapping(unsigned int reg,
> MAPPED_EL2_SYSREG(PIR_EL2, PIR_EL1, NULL );
> MAPPED_EL2_SYSREG(PIRE0_EL2, PIRE0_EL1, NULL );
> MAPPED_EL2_SYSREG(POR_EL2, POR_EL1, NULL );
> + MAPPED_EL2_SYSREG(GCSCR_EL2, GCSCR_EL1, NULL );
> + MAPPED_EL2_SYSREG(GCSPR_EL2, GCSPR_EL1, NULL );
> MAPPED_EL2_SYSREG(AMAIR_EL2, AMAIR_EL1, NULL );
> MAPPED_EL2_SYSREG(ELR_EL2, ELR_EL1, NULL );
> MAPPED_EL2_SYSREG(SPSR_EL2, SPSR_EL1, NULL );
Just like the previous version, you're missing the accessors that
would be this table useful. Meaning that the vcpu_read_sys_reg() and
vcpu_write_sys_reg() accessors will fail for all 4 GSC registers.
M.
--
Without deviation from the norm, progress is not possible.
