From: Wanpeng Li <wanpengli@tencent.com>
Date: Mon, 23 Jul 2018 06:39:51 +0000 (+0800)
Subject: KVM: X86: Add kvm hypervisor init time platform setup callback
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=d63bae079b6426afc998c5ea76d9cde8d8c98303;p=openwrt%2Fstaging%2Fblogic.git

KVM: X86: Add kvm hypervisor init time platform setup callback

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>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 575c9a51e6ba..39d79720380f 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)