diff --git a/arch/arm64/kvm/config.c b/arch/arm64/kvm/config.c index 84c577672e97..7e8e42c1cee4 100644 --- a/arch/arm64/kvm/config.c +++ b/arch/arm64/kvm/config.c @@ -26,6 +26,8 @@ struct reg_bits_to_feat_map { #define MASKS_POINTER BIT(3) /* Pointer to fgt_masks struct instead of bits */ #define AS_RES1 BIT(4) /* RES1 when not supported */ #define REQUIRES_E2H1 BIT(5) /* Add HCR_EL2.E2H RES1 as a pre-condition */ +#define RES1_WHEN_E2H0 BIT(6) /* RES1 when E2H=0 and not supported */ +#define RES1_WHEN_E2H1 BIT(7) /* RES1 when E2H=1 and not supported */ unsigned long flags; @@ -1297,10 +1299,14 @@ static struct resx compute_resx_bits(struct kvm *kvm, match &= !e2h0; if (!match) { - if (map[i].flags & AS_RES1) - resx.res1 |= reg_feat_map_bits(&map[i]); + u64 bits = reg_feat_map_bits(&map[i]); + + if ((map[i].flags & AS_RES1) || + (e2h0 && (map[i].flags & RES1_WHEN_E2H0)) || + (!e2h0 && (map[i].flags & RES1_WHEN_E2H1))) + resx.res1 |= bits; else - resx.res0 |= reg_feat_map_bits(&map[i]); + resx.res0 |= bits; } }