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Subject[PATCH v4 1/6] KVM: X86: Add kvm hypervisor init time platform setup callback
Date
From: Wanpeng Li <wanpengli@tencent.com>

Add kvm hypervisor init time platform setup callback which
will be used to replace native apic hooks by pararvirtual
hooks.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
---
arch/x86/kernel/kvm.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 5b2300b..591bcf2 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -624,12 +624,22 @@ static uint32_t __init kvm_detect(void)
return kvm_cpuid_base();
}

+static void __init kvm_apic_init(void)
+{
+}
+
+static void __init kvm_init_platform(void)
+{
+ x86_platform.apic_post_init = kvm_apic_init;
+}
+
const __initconst struct hypervisor_x86 x86_hyper_kvm = {
.name = "KVM",
.detect = kvm_detect,
.type = X86_HYPER_KVM,
.init.guest_late_init = kvm_guest_init,
.init.x2apic_available = kvm_para_available,
+ .init.init_platform = kvm_init_platform,
};

static __init int activate_jump_labels(void)
--
2.7.4
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