diff options
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 82430c1e1dd0..ffee72fd1273 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1051,26 +1051,9 @@ static bool access_pmu_evtyper(struct kvm_vcpu *vcpu, struct sys_reg_params *p, static int set_pmreg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r, u64 val) { - bool set; - - val &= kvm_pmu_accessible_counter_mask(vcpu); - - switch (r->reg) { - case PMOVSSET_EL0: - /* CRm[1] being set indicates a SET register, and CLR otherwise */ - set = r->CRm & 2; - break; - default: - /* Op2[0] being set indicates a SET register, and CLR otherwise */ - set = r->Op2 & 1; - break; - } - - if (set) - __vcpu_sys_reg(vcpu, r->reg) |= val; - else - __vcpu_sys_reg(vcpu, r->reg) &= ~val; + u64 mask = kvm_pmu_accessible_counter_mask(vcpu); + __vcpu_sys_reg(vcpu, r->reg) = val & mask; return 0; } |