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kvm: i386: require KVM_CAP_ADJUST_CLOCK

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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>
This commit is contained in:
Paolo Bonzini 2023-10-17 14:30:44 +02:00
parent 86f2438fc2
commit 700766ba60
3 changed files with 1 additions and 10 deletions
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4
hw/i386/kvm/clock.c
View file

@ -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))) {