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| author | Marc Zyngier <maz@kernel.org> | 2021-04-13 17:34:15 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-04-13 17:34:15 +0300 |
| commit | fbb31e5f3ace5386aa13236be77d1b4d481c8c89 (patch) | |
| tree | c62e36b05bf44aeb22c37a83b5c588af12e84b64 /arch/arm64/kvm/sys_regs.c | |
| parent | 53648ed3f0859d0b46bba82c0e79768bf2cb02b1 (diff) | |
| parent | 96f4f6809beec1bb2338e1aeac408e6a733f8135 (diff) | |
| download | linux-fbb31e5f3ace5386aa13236be77d1b4d481c8c89.tar.xz | |
Merge branch 'kvm-arm64/debug-5.13' into kvmarm-master/next
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/sys_regs.c')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 52fdb9a015a4..76ea2800c33e 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1063,6 +1063,8 @@ static u64 read_id_reg(const struct kvm_vcpu *vcpu, val = cpuid_feature_cap_perfmon_field(val, ID_AA64DFR0_PMUVER_SHIFT, kvm_vcpu_has_pmu(vcpu) ? ID_AA64DFR0_PMUVER_8_4 : 0); + /* Hide SPE from guests */ + val &= ~FEATURE(ID_AA64DFR0_PMSVER); break; case SYS_ID_DFR0_EL1: /* Limit guests to PMUv3 for ARMv8.4 */ @@ -1502,6 +1504,19 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 }, { SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 }, + { SYS_DESC(SYS_PMSCR_EL1), undef_access }, + { SYS_DESC(SYS_PMSNEVFR_EL1), undef_access }, + { SYS_DESC(SYS_PMSICR_EL1), undef_access }, + { SYS_DESC(SYS_PMSIRR_EL1), undef_access }, + { SYS_DESC(SYS_PMSFCR_EL1), undef_access }, + { SYS_DESC(SYS_PMSEVFR_EL1), undef_access }, + { SYS_DESC(SYS_PMSLATFR_EL1), undef_access }, + { SYS_DESC(SYS_PMSIDR_EL1), undef_access }, + { SYS_DESC(SYS_PMBLIMITR_EL1), undef_access }, + { SYS_DESC(SYS_PMBPTR_EL1), undef_access }, + { SYS_DESC(SYS_PMBSR_EL1), undef_access }, + /* PMBIDR_EL1 is not trapped */ + { PMU_SYS_REG(SYS_PMINTENSET_EL1), .access = access_pminten, .reg = PMINTENSET_EL1 }, { PMU_SYS_REG(SYS_PMINTENCLR_EL1), |