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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-10-17 14:30:44 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-10-25 19:53:38 +0200 |
| commit | 700766ba602330a4fc907254a2f45773a6c694fa (patch) | |
| tree | b101f9a5e554519b0a489d664b5fccb4b0b17196 | |
| parent | 86f2438fc231666ad7fdf9560fc8f27eedd69252 (diff) | |
| download | focaccia-qemu-700766ba602330a4fc907254a2f45773a6c694fa.tar.gz focaccia-qemu-700766ba602330a4fc907254a2f45773a6c694fa.zip | |
kvm: i386: require KVM_CAP_ADJUST_CLOCK
This was introduced in KVM in Linux 2.6.33, we can require it unconditionally. KVM_CLOCK_TSC_STABLE was only added in Linux 4.9, for now do not require it (though it would allow the removal of some pretty yucky code). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | hw/i386/kvm/clock.c | 4 | ||||
| -rw-r--r-- | target/i386/kvm/kvm.c | 6 | ||||
| -rw-r--r-- | target/i386/kvm/kvm_i386.h | 1 |
3 files changed, 1 insertions, 10 deletions
diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c index f25977d3f6..e756b0aa43 100644 --- a/hw/i386/kvm/clock.c +++ b/hw/i386/kvm/clock.c @@ -333,10 +333,6 @@ void kvmclock_create(bool create_always) X86CPU *cpu = X86_CPU(first_cpu); assert(kvm_enabled()); - if (!kvm_has_adjust_clock()) { - return; - } - if (create_always || cpu->env.features[FEAT_KVM] & ((1ULL << KVM_FEATURE_CLOCKSOURCE) | (1ULL << KVM_FEATURE_CLOCKSOURCE2))) { diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 42574c2df8..d4bf327fa6 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -98,6 +98,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = { KVM_CAP_INFO(VCPU_EVENTS), KVM_CAP_INFO(X86_ROBUST_SINGLESTEP), KVM_CAP_INFO(MCE), + KVM_CAP_INFO(ADJUST_CLOCK), KVM_CAP_LAST_INFO }; @@ -177,11 +178,6 @@ bool kvm_has_adjust_clock_stable(void) return (ret & KVM_CLOCK_TSC_STABLE); } -bool kvm_has_adjust_clock(void) -{ - return kvm_check_extension(kvm_state, KVM_CAP_ADJUST_CLOCK); -} - bool kvm_has_exception_payload(void) { return has_exception_payload; diff --git a/target/i386/kvm/kvm_i386.h b/target/i386/kvm/kvm_i386.h index 55d4e68c34..7e60ea4f23 100644 --- a/target/i386/kvm/kvm_i386.h +++ b/target/i386/kvm/kvm_i386.h @@ -50,7 +50,6 @@ void kvm_request_xsave_components(X86CPU *cpu, uint64_t mask); #ifdef CONFIG_KVM -bool kvm_has_adjust_clock(void); bool kvm_has_adjust_clock_stable(void); bool kvm_has_exception_payload(void); void kvm_synchronize_all_tsc(void); |