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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2019-06-03 20:04:08 -0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-08-20 17:26:17 +0200 |
| commit | d645e1328726b38b3c79525eb57842ce29c1df7c (patch) | |
| tree | d94444364f9c8029358e81fa2a32f05de32c128e /target/i386/cpu.c | |
| parent | 17dc57990320edaad52ac9ea808be9719c91cea6 (diff) | |
| download | qemu-d645e1328726b38b3c79525eb57842ce29c1df7c.zip qemu-d645e1328726b38b3c79525eb57842ce29c1df7c.tar.gz qemu-d645e1328726b38b3c79525eb57842ce29c1df7c.tar.bz2 | |
kvm: i386: halt poll control MSR support
Add support for halt poll control MSR: save/restore, migration
and new feature name.
The purpose of this MSR is to allow the guest to disable
host halt poll.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Message-Id: <20190603230408.GA7938@amt.cnet>
[Do not enable by default, as pointed out by Mark Kanda. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/cpu.c')
| -rw-r--r-- | target/i386/cpu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index ff65e11..69cef40 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -906,7 +906,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock", "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt", NULL, "kvm-pv-tlb-flush", NULL, "kvm-pv-ipi", - NULL, NULL, NULL, NULL, + "kvm-poll-control", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "kvmclock-stable-bit", NULL, NULL, NULL, @@ -5660,6 +5660,8 @@ static void x86_cpu_initfn(Object *obj) object_property_add_alias(obj, "kvm_steal_time", obj, "kvm-steal-time", &error_abort); object_property_add_alias(obj, "kvm_pv_eoi", obj, "kvm-pv-eoi", &error_abort); object_property_add_alias(obj, "kvm_pv_unhalt", obj, "kvm-pv-unhalt", &error_abort); + object_property_add_alias(obj, "kvm_poll_control", obj, "kvm-poll-control", + &error_abort); object_property_add_alias(obj, "svm_lock", obj, "svm-lock", &error_abort); object_property_add_alias(obj, "nrip_save", obj, "nrip-save", &error_abort); object_property_add_alias(obj, "tsc_scale", obj, "tsc-scale", &error_abort); |