lkml.org 
[lkml]   [2017]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 1/3] KVM: SVM: Refactor AVIC vcpu initialization into avic_init_vcpu()
Date
Preparing the base code for subsequent changes. This does not change
existing logic.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
arch/x86/kvm/svm.c | 28 ++++++++++++++++++++--------
1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index af256b7..316edbf 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1587,6 +1587,23 @@ static void svm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
avic_update_vapic_bar(svm, APIC_DEFAULT_PHYS_BASE);
}

+static int avic_init_vcpu(struct vcpu_svm *svm)
+{
+ int ret;
+
+ if (!avic)
+ return 0;
+
+ ret = avic_init_backing_page(&svm->vcpu);
+ if (ret)
+ return ret;
+
+ INIT_LIST_HEAD(&svm->ir_list);
+ spin_lock_init(&svm->ir_list_lock);
+
+ return ret;
+}
+
static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
{
struct vcpu_svm *svm;
@@ -1623,14 +1640,9 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
if (!hsave_page)
goto free_page3;

- if (avic) {
- err = avic_init_backing_page(&svm->vcpu);
- if (err)
- goto free_page4;
-
- INIT_LIST_HEAD(&svm->ir_list);
- spin_lock_init(&svm->ir_list_lock);
- }
+ err = avic_init_vcpu(svm);
+ if (err)
+ goto free_page4;

/* We initialize this flag to true to make sure that the is_running
* bit would be set the first time the vcpu is loaded.
--
1.8.3.1
\
 
 \ /
  Last update: 2017-09-12 17:44    [W:0.073 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site