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Message-Id: <1228854179-23002-23-git-send-email-avi@redhat.com>
Date: Tue, 9 Dec 2008 22:22:37 +0200
From: Avi Kivity <avi@...hat.com>
To: kvm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Eduardo Habkost <ehabkost@...hat.com>
Subject: [PATCH 22/44] KVM: VMX: extract kvm_cpu_vmxoff() from hardware_disable()
From: Eduardo Habkost <ehabkost@...hat.com>
Along with some comments on why it is different from the core cpu_vmxoff()
function.
Signed-off-by: Eduardo Habkost <ehabkost@...hat.com>
Signed-off-by: Avi Kivity <avi@...hat.com>
---
arch/x86/kvm/vmx.c | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index defaeeb..f5958a7 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1091,13 +1091,22 @@ static void vmclear_local_vcpus(void)
__vcpu_clear(vmx);
}
-static void hardware_disable(void *garbage)
+
+/* Just like cpu_vmxoff(), but with the __kvm_handle_fault_on_reboot()
+ * tricks.
+ */
+static void kvm_cpu_vmxoff(void)
{
- vmclear_local_vcpus();
asm volatile (__ex(ASM_VMX_VMXOFF) : : : "cc");
write_cr4(read_cr4() & ~X86_CR4_VMXE);
}
+static void hardware_disable(void *garbage)
+{
+ vmclear_local_vcpus();
+ kvm_cpu_vmxoff();
+}
+
static __init int adjust_vmx_controls(u32 ctl_min, u32 ctl_opt,
u32 msr, u32 *result)
{
--
1.6.0.3
--
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