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| author | Wanpeng Li <wanpengli@tencent.com> | 2019-07-15 09:28:44 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-09-16 12:32:20 +0200 |
| commit | d38d201f0ed092b8c7f7738a5db8428e12cb04b6 (patch) | |
| tree | 05aa77b8ece749fc9a27a185090c67b45d50f1fa /target | |
| parent | 138985c1ef8b66e4e5b383354e133e05d01d0b5f (diff) | |
| download | qemu-d38d201f0ed092b8c7f7738a5db8428e12cb04b6.zip qemu-d38d201f0ed092b8c7f7738a5db8428e12cb04b6.tar.gz qemu-d38d201f0ed092b8c7f7738a5db8428e12cb04b6.tar.bz2 | |
i386/kvm: support guest access CORE cstate
Allow guest reads CORE cstate when exposing host CPU power management capabilities
to the guest. PKG cstate is restricted to avoid a guest to get the whole package
information in multi-tenant scenario.
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1563154124-18579-1-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/kvm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 8023c67..3435fc4 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -2076,7 +2076,8 @@ int kvm_arch_init(MachineState *ms, KVMState *s) if (disable_exits) { disable_exits &= (KVM_X86_DISABLE_EXITS_MWAIT | KVM_X86_DISABLE_EXITS_HLT | - KVM_X86_DISABLE_EXITS_PAUSE); + KVM_X86_DISABLE_EXITS_PAUSE | + KVM_X86_DISABLE_EXITS_CSTATE); } ret = kvm_vm_enable_cap(s, KVM_CAP_X86_DISABLE_EXITS, 0, |