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| author | Marc Zyngier <maz@kernel.org> | 2021-03-19 12:01:04 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-03-19 12:01:04 +0000 |
| commit | a1baa01f7691972964320349a9bb010386fe0dab (patch) | |
| tree | 77cbab937f28dbcc787774169c66109f28fb4a59 /arch/arm64/kvm/hyp/include | |
| parent | 5b08709313718e95ba06ef49aa82f964a605bd9c (diff) | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
Merge tag 'v5.12-rc3' into kvm-arm64/host-stage2
Linux 5.12-rc3
Signed-off-by: Marc Zyngier <maz@kernel.org>
# gpg: Signature made Sun 14 Mar 2021 21:41:02 GMT
# gpg: using RSA key ABAF11C65A2970B130ABE3C479BE3E4300411886
# gpg: issuer "torvalds@linux-foundation.org"
# gpg: Can't check signature: No public key
Diffstat (limited to 'arch/arm64/kvm/hyp/include')
| -rw-r--r-- | arch/arm64/kvm/hyp/include/hyp/switch.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h index 8a5c57e93e40..1073f176e92c 100644 --- a/arch/arm64/kvm/hyp/include/hyp/switch.h +++ b/arch/arm64/kvm/hyp/include/hyp/switch.h @@ -90,15 +90,18 @@ static inline void __activate_traps_common(struct kvm_vcpu *vcpu) * counter, which could make a PMXEVCNTR_EL0 access UNDEF at * EL1 instead of being trapped to EL2. */ - write_sysreg(0, pmselr_el0); - write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0); + if (kvm_arm_support_pmu_v3()) { + write_sysreg(0, pmselr_el0); + write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0); + } write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2); } static inline void __deactivate_traps_common(void) { write_sysreg(0, hstr_el2); - write_sysreg(0, pmuserenr_el0); + if (kvm_arm_support_pmu_v3()) + write_sysreg(0, pmuserenr_el0); } static inline void ___activate_traps(struct kvm_vcpu *vcpu) |