target-i386: rename KSMAP to KNOSMAP

This is the mode where SMAP is overridden, put "NO" in its name.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

target-i386/cpu.h

@@ -1155,15 +1155,15 @@ static inline CPUX86State *cpu_init(const char *cpu_model)
 /* MMU modes definitions */
 #define MMU_MODE0_SUFFIX _kernel
 #define MMU_MODE1_SUFFIX _user
-#define MMU_MODE2_SUFFIX _ksmap /* Kernel with SMAP override */
+#define MMU_MODE2_SUFFIX _knosmap /* SMAP disabled or CPL<3 && AC=1 */
 #define MMU_KERNEL_IDX  0
 #define MMU_USER_IDX    1
-#define MMU_KSMAP_IDX   2
+#define MMU_KNOSMAP_IDX 2
 static inline int cpu_mmu_index (CPUX86State *env)
 {
     return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX :
         ((env->hflags & HF_SMAP_MASK) && (env->eflags & AC_MASK))
-        ? MMU_KSMAP_IDX : MMU_KERNEL_IDX;
+        ? MMU_KNOSMAP_IDX : MMU_KERNEL_IDX;
 }
 
 #define CC_DST  (env->cc_dst)

target-i386/helper.c

@@ -654,7 +654,7 @@ int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
                     goto do_fault_protect;
                 }
                 /* fall through */
-            case MMU_KSMAP_IDX:
+            case MMU_KNOSMAP_IDX:
                 if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
                     (ptep & PG_USER_MASK)) {
                     goto do_fault_protect;
@@ -716,7 +716,7 @@ int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
                     goto do_fault_protect;
                 }
                 /* fall through */
-            case MMU_KSMAP_IDX:
+            case MMU_KNOSMAP_IDX:
                 if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
                     (ptep & PG_USER_MASK)) {
                     goto do_fault_protect;
@@ -771,7 +771,7 @@ int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
                     goto do_fault_protect;
                 }
                 /* fall through */
-            case MMU_KSMAP_IDX:
+            case MMU_KNOSMAP_IDX:
                 if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
                     (pde & PG_USER_MASK)) {
                     goto do_fault_protect;
@@ -828,7 +828,7 @@ int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
                     goto do_fault_protect;
                 }
                 /* fall through */
-            case MMU_KSMAP_IDX:
+            case MMU_KNOSMAP_IDX:
                 if (is_write1 == 2 && (env->cr[4] & CR4_SMEP_MASK) &&
                     (ptep & PG_USER_MASK)) {
                     goto do_fault_protect;