KVM: x86: Remove redundant definitions

Some constants are redfined in emulate.c. Avoid it.

s/SELECTOR_RPL_MASK/SEGMENT_RPL_MASK
s/SELECTOR_TI_MASK/SEGMENT_TI_MASK

No functional change.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Message-Id: <1427635984-8113-3-git-send-email-namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 7ba3d9d..30b28dc 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -81,9 +81,6 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level)
                (base_gfn >> KVM_HPAGE_GFN_SHIFT(level));
 }
 
-#define SELECTOR_TI_MASK (1 << 2)
-#define SELECTOR_RPL_MASK 0x03
-
 #define KVM_PERMILLE_MMU_PAGES 20
 #define KVM_MIN_ALLOC_MMU_PAGES 64
 #define KVM_MMU_HASH_SHIFT 10

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index e49caba..cf7d424 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2435,7 +2435,7 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
                return emulate_gp(ctxt, 0);
 
        ctxt->eflags &= ~(X86_EFLAGS_VM | X86_EFLAGS_IF);
-       cs_sel = (u16)msr_data & ~SELECTOR_RPL_MASK;
+       cs_sel = (u16)msr_data & ~SEGMENT_RPL_MASK;
        ss_sel = cs_sel + 8;
        if (efer & EFER_LMA) {
                cs.d = 0;
@@ -2502,8 +2502,8 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
                        return emulate_gp(ctxt, 0);
                break;
        }
-       cs_sel |= SELECTOR_RPL_MASK;
-       ss_sel |= SELECTOR_RPL_MASK;
+       cs_sel |= SEGMENT_RPL_MASK;
+       ss_sel |= SEGMENT_RPL_MASK;
 
        ops->set_segment(ctxt, cs_sel, &cs, 0, VCPU_SREG_CS);
        ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS);

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index fdd9f8b..63ca692 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3263,8 +3263,8 @@ static void fix_pmode_seg(struct kvm_vcpu *vcpu, int seg,
                 * default value.
                 */
                if (seg == VCPU_SREG_CS || seg == VCPU_SREG_SS)
-                       save->selector &= ~SELECTOR_RPL_MASK;
-               save->dpl = save->selector & SELECTOR_RPL_MASK;
+                       save->selector &= ~SEGMENT_RPL_MASK;
+               save->dpl = save->selector & SEGMENT_RPL_MASK;
                save->s = 1;
        }
        vmx_set_segment(vcpu, save, seg);
@@ -3837,7 +3837,7 @@ static bool code_segment_valid(struct kvm_vcpu *vcpu)
        unsigned int cs_rpl;
 
        vmx_get_segment(vcpu, &cs, VCPU_SREG_CS);
-       cs_rpl = cs.selector & SELECTOR_RPL_MASK;
+       cs_rpl = cs.selector & SEGMENT_RPL_MASK;
 
        if (cs.unusable)
                return false;
@@ -3865,7 +3865,7 @@ static bool stack_segment_valid(struct kvm_vcpu *vcpu)
        unsigned int ss_rpl;
 
        vmx_get_segment(vcpu, &ss, VCPU_SREG_SS);
-       ss_rpl = ss.selector & SELECTOR_RPL_MASK;
+       ss_rpl = ss.selector & SEGMENT_RPL_MASK;
 
        if (ss.unusable)
                return true;
@@ -3887,7 +3887,7 @@ static bool data_segment_valid(struct kvm_vcpu *vcpu, int seg)
        unsigned int rpl;
 
        vmx_get_segment(vcpu, &var, seg);
-       rpl = var.selector & SELECTOR_RPL_MASK;
+       rpl = var.selector & SEGMENT_RPL_MASK;
 
        if (var.unusable)
                return true;
@@ -3914,7 +3914,7 @@ static bool tr_valid(struct kvm_vcpu *vcpu)
 
        if (tr.unusable)
                return false;
-       if (tr.selector & SELECTOR_TI_MASK)     /* TI = 1 */
+       if (tr.selector & SEGMENT_TI_MASK)      /* TI = 1 */
                return false;
        if (tr.type != 3 && tr.type != 11) /* TODO: Check if guest is in IA32e mode */
                return false;
@@ -3932,7 +3932,7 @@ static bool ldtr_valid(struct kvm_vcpu *vcpu)
 
        if (ldtr.unusable)
                return true;
-       if (ldtr.selector & SELECTOR_TI_MASK)   /* TI = 1 */
+       if (ldtr.selector & SEGMENT_TI_MASK)    /* TI = 1 */
                return false;
        if (ldtr.type != 2)
                return false;
@@ -3949,8 +3949,8 @@ static bool cs_ss_rpl_check(struct kvm_vcpu *vcpu)
        vmx_get_segment(vcpu, &cs, VCPU_SREG_CS);
        vmx_get_segment(vcpu, &ss, VCPU_SREG_SS);
 
-       return ((cs.selector & SELECTOR_RPL_MASK) ==
-                (ss.selector & SELECTOR_RPL_MASK));
+       return ((cs.selector & SEGMENT_RPL_MASK) ==
+                (ss.selector & SEGMENT_RPL_MASK));
 }
 
 /*