kvm: x86: some tsc debug cleanup
There are some pr_debug in TSC code, which may have been no use, so remove them as Paolo suggested. Signed-off-by: Yi Wang <wang.yi59@zte.com.cn> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -1540,9 +1540,6 @@ static void kvm_get_time_scale(uint64_t scaled_hz, uint64_t base_hz,
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*pshift = shift;
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*pmultiplier = div_frac(scaled64, tps32);
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pr_debug("%s: base_hz %llu => %llu, shift %d, mul %u\n",
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__func__, base_hz, scaled_hz, shift, *pmultiplier);
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}
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#ifdef CONFIG_X86_64
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@ -1785,12 +1782,10 @@ void kvm_write_tsc(struct kvm_vcpu *vcpu, struct msr_data *msr)
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vcpu->arch.virtual_tsc_khz == kvm->arch.last_tsc_khz) {
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if (!kvm_check_tsc_unstable()) {
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offset = kvm->arch.cur_tsc_offset;
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pr_debug("kvm: matched tsc offset for %llu\n", data);
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} else {
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u64 delta = nsec_to_cycles(vcpu, elapsed);
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data += delta;
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offset = kvm_compute_tsc_offset(vcpu, data);
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pr_debug("kvm: adjusted tsc offset by %llu\n", delta);
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}
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matched = true;
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already_matched = (vcpu->arch.this_tsc_generation == kvm->arch.cur_tsc_generation);
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@ -1809,8 +1804,6 @@ void kvm_write_tsc(struct kvm_vcpu *vcpu, struct msr_data *msr)
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kvm->arch.cur_tsc_write = data;
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kvm->arch.cur_tsc_offset = offset;
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matched = false;
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pr_debug("kvm: new tsc generation %llu, clock %llu\n",
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kvm->arch.cur_tsc_generation, data);
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}
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/*
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@ -6911,7 +6904,6 @@ static void kvm_timer_init(void)
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cpufreq_register_notifier(&kvmclock_cpufreq_notifier_block,
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CPUFREQ_TRANSITION_NOTIFIER);
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}
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pr_debug("kvm: max_tsc_khz = %ld\n", max_tsc_khz);
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cpuhp_setup_state(CPUHP_AP_X86_KVM_CLK_ONLINE, "x86/kvm/clk:online",
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kvmclock_cpu_online, kvmclock_cpu_down_prep);
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