linux-kernel - [PATCH 35/38] KVM: Remove guest

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Date:	Mon, 27 Nov 2006 12:45:38 -0000
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org
Subject: [PATCH 35/38] KVM: Remove guest_cpl()

This was used only in debugging.

Signed-off-by: Avi Kivity <avi@...ranet.com>

Index: linux-2.6/drivers/kvm/kvm.h
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm.h
+++ linux-2.6/drivers/kvm/kvm.h
@@ -422,11 +422,6 @@ static inline int is_pse(struct kvm_vcpu
 	return vcpu->cr4 & CR4_PSE_MASK;
 }
 
-static inline unsigned guest_cpl(void)
-{
-	return vmcs_read16(GUEST_CS_SELECTOR) & SELECTOR_RPL_MASK;
-}
-
 static inline int is_paging(struct kvm_vcpu *vcpu)
 {
 	return vcpu->cr0 & CR0_PG_MASK;
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -1391,14 +1391,6 @@ static int handle_cr(struct kvm_vcpu *vc
 	int cr;
 	int reg;
 
-#ifdef KVM_DEBUG
-	if (guest_cpl() != 0) {
-		vcpu_printf(vcpu, "%s: not supervisor\n", __FUNCTION__);
-		inject_gp(vcpu);
-		return 1;
-	}
-#endif
-
 	exit_qualification = vmcs_read64(EXIT_QUALIFICATION);
 	cr = exit_qualification & 15;
 	reg = (exit_qualification >> 8) & 15;
-
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