linux-kernel - [PATCH 29/42] KVM: Separate timer intialization into an indepedent function

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Message-Id: <1258373983-8693-30-git-send-email-avi@redhat.com>
Date:	Mon, 16 Nov 2009 14:19:30 +0200
From:	Avi Kivity <avi@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	kvm@...r.kernel.org
Subject: [PATCH 29/42] KVM: Separate timer intialization into an indepedent function

From: Zachary Amsden <zamsden@...hat.com>

Signed-off-by: Zachary Amsden <zamsden@...hat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@...hat.com>
---
 arch/x86/kvm/x86.c |   23 +++++++++++++++--------
 1 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3d83de8..6a31dfb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3118,9 +3118,22 @@ static struct notifier_block kvmclock_cpufreq_notifier_block = {
         .notifier_call  = kvmclock_cpufreq_notifier
 };
 
+static void kvm_timer_init(void)
+{
+	int cpu;
+
+	for_each_possible_cpu(cpu)
+		per_cpu(cpu_tsc_khz, cpu) = tsc_khz;
+	if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) {
+		tsc_khz_ref = tsc_khz;
+		cpufreq_register_notifier(&kvmclock_cpufreq_notifier_block,
+					  CPUFREQ_TRANSITION_NOTIFIER);
+	}
+}
+
 int kvm_arch_init(void *opaque)
 {
-	int r, cpu;
+	int r;
 	struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque;
 
 	if (kvm_x86_ops) {
@@ -3152,13 +3165,7 @@ int kvm_arch_init(void *opaque)
 	kvm_mmu_set_mask_ptes(PT_USER_MASK, PT_ACCESSED_MASK,
 			PT_DIRTY_MASK, PT64_NX_MASK, 0);
 
-	for_each_possible_cpu(cpu)
-		per_cpu(cpu_tsc_khz, cpu) = tsc_khz;
-	if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) {
-		tsc_khz_ref = tsc_khz;
-		cpufreq_register_notifier(&kvmclock_cpufreq_notifier_block,
-					  CPUFREQ_TRANSITION_NOTIFIER);
-	}
+	kvm_timer_init();
 
 	return 0;
 
-- 
1.6.5.2

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