[PATCH 25/38] KVM: Move the vmx tsc accessors to vmx.c

From: Avi Kivity
Date: Mon Nov 27 2006 - 07:36:00 EST


Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>

Index: linux-2.6/drivers/kvm/kvm_main.c
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm_main.c
+++ linux-2.6/drivers/kvm/kvm_main.c
@@ -490,33 +490,6 @@ static void inject_gp(struct kvm_vcpu *v
kvm_arch_ops->inject_gp(vcpu, 0);
}

-/*
- * reads and returns guest's timestamp counter "register"
- * guest_tsc = host_tsc + tsc_offset -- 21.3
- */
-u64 guest_read_tsc(void)
-{
- u64 host_tsc, tsc_offset;
-
- rdtscll(host_tsc);
- tsc_offset = vmcs_read64(TSC_OFFSET);
- return host_tsc + tsc_offset;
-}
-EXPORT_SYMBOL_GPL(guest_read_tsc);
-
-/*
- * writes 'guest_tsc' into guest's timestamp counter "register"
- * guest_tsc = host_tsc + tsc_offset ==> tsc_offset = guest_tsc - host_tsc
- */
-void guest_write_tsc(u64 guest_tsc)
-{
- u64 host_tsc;
-
- rdtscll(host_tsc);
- vmcs_write64(TSC_OFFSET, guest_tsc - host_tsc);
-}
-EXPORT_SYMBOL_GPL(guest_write_tsc);
-
static int pdptrs_have_reserved_bits_set(struct kvm_vcpu *vcpu,
unsigned long cr3)
{
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -57,8 +57,6 @@ static const u32 vmx_msr_index[] = {
};
#define NR_VMX_MSR (sizeof(vmx_msr_index) / sizeof(*vmx_msr_index))

-u64 guest_read_tsc(void);
-void guest_write_tsc(u64 guest_tsc);
struct vmx_msr_entry *find_msr_entry(struct kvm_vcpu *vcpu, u32 msr);

static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
@@ -92,6 +90,31 @@ static void vmx_inject_gp(struct kvm_vcp
INTR_INFO_VALID_MASK);
}

+/*
+ * reads and returns guest's timestamp counter "register"
+ * guest_tsc = host_tsc + tsc_offset -- 21.3
+ */
+static u64 guest_read_tsc(void)
+{
+ u64 host_tsc, tsc_offset;
+
+ rdtscll(host_tsc);
+ tsc_offset = vmcs_read64(TSC_OFFSET);
+ return host_tsc + tsc_offset;
+}
+
+/*
+ * writes 'guest_tsc' into guest's timestamp counter "register"
+ * guest_tsc = host_tsc + tsc_offset ==> tsc_offset = guest_tsc - host_tsc
+ */
+static void guest_write_tsc(u64 guest_tsc)
+{
+ u64 host_tsc;
+
+ rdtscll(host_tsc);
+ vmcs_write64(TSC_OFFSET, guest_tsc - host_tsc);
+}
+
static void reload_tss(void)
{
#ifndef __x86_64__
-
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