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KVM: arm64: Add NV3 control bits to HCRX_EL2 sanitisation

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Expose the FEAT_NV3 control bits to the sanitisation code so that
KVM stops moaning about the unattributed bits.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://patch.msgid.link/20260730071022.296811-18-maz@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
This commit is contained in:
Marc Zyngier 2026-07-30 08:10:10 +01:00 committed by Oliver Upton
parent dbb45adfcd
commit 6ec15c963e
1 changed files with 6 additions and 0 deletions
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6
arch/arm64/kvm/config.c
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@ -225,6 +225,7 @@ struct reg_feat_map_desc {
#define FEAT_HCX ID_AA64MMFR1_EL1, HCX, IMP
#define FEAT_S2PIE ID_AA64MMFR3_EL1, S2PIE, IMP
#define FEAT_GCIE ID_AA64PFR2_EL1, GCIE, IMP
#define FEAT_NV3 ID_AA64MMFR4_EL1, NV_frac, NV3
static bool not_feat_aa64el3(struct kvm *kvm)
{
@ -904,6 +905,11 @@ static const DECLARE_FEAT_MAP_FGT(hdfgwtr2_desc, hdfgwtr2_masks,
static const struct reg_bits_to_feat_map hcrx_feat_map[] = {
NEEDS_FEAT(HCRX_EL2_NVTGE |
HCRX_EL2_NVnTTLB |
HCRX_EL2_NVnTTLBIS |
HCRX_EL2_NVnTTLBOS,
FEAT_NV3),
NEEDS_FEAT(HCRX_EL2_SRMASKEn, FEAT_SRMASK),
NEEDS_FEAT(HCRX_EL2_PACMEn, feat_pauth_lr),
NEEDS_FEAT(HCRX_EL2_EnFPM, FEAT_FPMR),