From: Wanpeng Li <kernellwp@gmail.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Vitaly Kuznetsov" <vkuznets@redhat.com>
Subject: [PATCH v5 1/6] KVM: X86: Add kvm hypervisor init time platform setup callback
Date: Mon, 23 Jul 2018 14:39:51 +0800 [thread overview]
Message-ID: <1532327996-17619-2-git-send-email-wanpengli@tencent.com> (raw)
In-Reply-To: <1532327996-17619-1-git-send-email-wanpengli@tencent.com>
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
next prev parent reply other threads:[~2018-07-23 6:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-23 6:39 [PATCH v5 0/6] KVM: X86: Implement Exit-less IPIs support Wanpeng Li
2018-07-23 6:39 ` Wanpeng Li [this message]
2018-07-23 6:39 ` [PATCH v5 2/6] KVM: X86: Implement PV IPIs in linux guest Wanpeng Li
2018-07-23 6:39 ` [PATCH v5 3/6] KVM: X86: Fallback to original apic hooks when bad happens Wanpeng Li
2018-08-02 13:01 ` Paolo Bonzini
2018-07-23 6:39 ` [PATCH v5 4/6] KVM: X86: Implement PV IPIs send hypercall Wanpeng Li
2018-08-02 13:04 ` Paolo Bonzini
2018-08-03 4:09 ` Wanpeng Li
2018-07-23 6:39 ` [PATCH v5 5/6] KVM: X86: Add NMI support to PV IPIs Wanpeng Li
2018-07-23 6:39 ` [PATCH v5 6/6] KVM: X86: Expose PV_SEND_IPI CPUID feature bit to guest Wanpeng Li
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