On Wed, 20 Aug 2025 15:14:45 +0100, Mark Brown <broonie@xxxxxxxxxx> wrote: > > Now that required functionality for GCS is in place expose > ID_AA64PFR1_EL1.GCS, allowing guests to be given the feature. > > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> > --- > arch/arm64/kvm/sys_regs.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c > index 592cb5d6497a..60e234422064 100644 > --- a/arch/arm64/kvm/sys_regs.c > +++ b/arch/arm64/kvm/sys_regs.c > @@ -1616,7 +1616,6 @@ static u64 __kvm_read_sanitised_id_reg(const struct kvm_vcpu *vcpu, > val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_SME); > val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_RNDR_trap); > val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_NMI); > - val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_GCS); > val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_THE); > val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_MTEX); > val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_PFAR); > Still disabled for NV in limit_nv_id_reg(). M. -- Jazz isn't dead. It just smells funny.
