diff options
| author | Jing Zhang <[email protected]> | 2023-10-03 23:03:59 +0000 |
|---|---|---|
| committer | Oliver Upton <[email protected]> | 2023-10-04 17:10:15 +0000 |
| commit | 8b6958d6ace19d56b44ca0f961f4fa480d4b48fc (patch) | |
| tree | 551bd479a3990baa79fb94ebb2e936a933ae012d | |
| parent | 6656cda0f3b269cb87cfb5773d3369e6d96e83db (diff) | |
KVM: arm64: Use guest ID register values for the sake of emulation
Since KVM now supports per-VM ID registers, use per-VM ID register
values for the sake of emulation for DBGDIDR and LORegion.
Signed-off-by: Jing Zhang <[email protected]>
Reviewed-by: Marc Zyngier <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Oliver Upton <[email protected]>
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 5b0e94367f74..b73f9ff0899b 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -379,7 +379,7 @@ static bool trap_loregion(struct kvm_vcpu *vcpu, struct sys_reg_params *p, const struct sys_reg_desc *r) { - u64 val = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1); + u64 val = IDREG(vcpu->kvm, SYS_ID_AA64MMFR1_EL1); u32 sr = reg_to_encoding(r); if (!(val & (0xfUL << ID_AA64MMFR1_EL1_LO_SHIFT))) { @@ -2445,8 +2445,8 @@ static bool trap_dbgdidr(struct kvm_vcpu *vcpu, if (p->is_write) { return ignore_write(vcpu, p); } else { - u64 dfr = read_sanitised_ftr_reg(SYS_ID_AA64DFR0_EL1); - u64 pfr = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1); + u64 dfr = IDREG(vcpu->kvm, SYS_ID_AA64DFR0_EL1); + u64 pfr = IDREG(vcpu->kvm, SYS_ID_AA64PFR0_EL1); u32 el3 = !!cpuid_feature_extract_unsigned_field(pfr, ID_AA64PFR0_EL1_EL3_SHIFT); p->regval = ((((dfr >> ID_AA64DFR0_EL1_WRPs_SHIFT) & 0xf) << 28) | |