linux-kernel - [PATCH x86/mm] kvm IOPL

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Date:	Tue, 18 Dec 2007 13:46:01 -0800 (PST)
From:	Roland McGrath <roland@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Glauber de Oliveira Costa <gcosta@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH x86/mm] kvm IOPL_MASK cleanup

IOPL_MASK went away and kvm/vmx.c doesn't compile.

Signed-off-by: Roland McGrath <roland@...hat.com>
---
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index bb56ae3..0000000 100644  
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -524,7 +524,7 @@ static unsigned long vmx_get_rflags(stru
 static void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
 {
 	if (vcpu->rmode.active)
-		rflags |= IOPL_MASK | X86_EFLAGS_VM;
+		rflags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM;
 	vmcs_writel(GUEST_RFLAGS, rflags);
 }
 
@@ -1050,7 +1050,7 @@ static void enter_pmode(struct kvm_vcpu 
 	vmcs_write32(GUEST_TR_AR_BYTES, vcpu->rmode.tr.ar);
 
 	flags = vmcs_readl(GUEST_RFLAGS);
-	flags &= ~(IOPL_MASK | X86_EFLAGS_VM);
+	flags &= ~(X86_EFLAGS_IOPL | X86_EFLAGS_VM);
 	flags |= (vcpu->rmode.save_iopl << IOPL_SHIFT);
 	vmcs_writel(GUEST_RFLAGS, flags);
 
@@ -1107,9 +1107,9 @@ static void enter_rmode(struct kvm_vcpu 
 	vmcs_write32(GUEST_TR_AR_BYTES, 0x008b);
 
 	flags = vmcs_readl(GUEST_RFLAGS);
-	vcpu->rmode.save_iopl = (flags & IOPL_MASK) >> IOPL_SHIFT;
+	vcpu->rmode.save_iopl = (flags & X86_EFLAGS_IOPL) >> IOPL_SHIFT;
 
-	flags |= IOPL_MASK | X86_EFLAGS_VM;
+	flags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM;
 
 	vmcs_writel(GUEST_RFLAGS, flags);
 	vmcs_writel(GUEST_CR4, vmcs_readl(GUEST_CR4) | X86_CR4_VME);
--
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