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| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2019-11-14 14:15:11 -0600 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-05 15:17:42 +0100 |
| commit | 2de9d0ccd0fea32fc6a684f3f22496967ed608bc (patch) | |
| tree | 6931844b890838569f86f4ff5a759da81cce0da7 /arch/x86/kvm/x86.c | |
| parent | ef8efd7a15bb7147a4ffb09758a6bd25d744a14e (diff) | |
| download | linux-2de9d0ccd0fea32fc6a684f3f22496967ed608bc.tar.gz linux-2de9d0ccd0fea32fc6a684f3f22496967ed608bc.tar.bz2 linux-2de9d0ccd0fea32fc6a684f3f22496967ed608bc.zip | |
kvm: x86: Introduce x86 ops hook for pre-update APICv
AMD SVM AVIC needs to update APIC backing page mapping before changing
APICv mode. Introduce struct kvm_x86_ops.pre_update_apicv_exec_ctrl
function hook to be called prior KVM APICv update request to each vcpu.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index dbff8011f0f2..d2f15cbe2634 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8049,6 +8049,8 @@ void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit) } trace_kvm_apicv_update_request(activate, bit); + if (kvm_x86_ops->pre_update_apicv_exec_ctrl) + kvm_x86_ops->pre_update_apicv_exec_ctrl(kvm, activate); kvm_make_all_cpus_request(kvm, KVM_REQ_APICV_UPDATE); } EXPORT_SYMBOL_GPL(kvm_request_apicv_update); |