[PATCH 27/35] KVM: VMX: Remove vmx->msr_offset_efer

Avi Kivity
2009-11-19T13:35:03Z

This variable is used to communicate between a caller and a callee; switch
to a function argument instead.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/vmx.c | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a5f3f3e..c9cc959 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -101,7 +101,6 @@ struct vcpu_vmx {
struct shared_msr_entry *guest_msrs;
int nmsrs;
int save_nmsrs;
- int msr_offset_efer;
#ifdef CONFIG_X86_64
u64 msr_host_kernel_gs_base;
u64 msr_guest_kernel_gs_base;
@@ -584,14 +583,11 @@ static void reload_tss(void)
load_TR_desc();
}

-static bool update_transition_efer(struct vcpu_vmx *vmx)
+static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
{
- int efer_offset = vmx->msr_offset_efer;
u64 guest_efer;
u64 ignore_bits;

- if (efer_offset < 0)
- return false;
guest_efer = vmx->vcpu.arch.shadow_efer;

/*
@@ -926,8 +922,8 @@ static void setup_msrs(struct vcpu_vmx *vmx)
move_msr_up(vmx, index, save_nmsrs++);
}
#endif
- vmx->msr_offset_efer = index = __find_msr_index(vmx, MSR_EFER);
- if (index >= 0 && update_transition_efer(vmx))
+ index = __find_msr_index(vmx, MSR_EFER);
+ if (index >= 0 && update_transition_efer(vmx, index))
move_msr_up(vmx, index, save_nmsrs++);

vmx->save_nmsrs = save_nmsrs;
--
1.6.5.2