kvm: x86: mmu: Rename spte_is_locklessly_modifiable()

This change renames spte_is_locklessly_modifiable() to
spte_can_locklessly_be_made_writable() to distinguish it from other
forms of lockless modifications. The full set of lockless modifications
is covered by spte_has_volatile_bits().

Signed-off-by: Junaid Shahid <junaids@google.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/mmu.c

@@ -474,7 +474,7 @@ retry:
 }
 #endif
 
-static bool spte_is_locklessly_modifiable(u64 spte)
+static bool spte_can_locklessly_be_made_writable(u64 spte)
 {
 	return (spte & (SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE)) ==
 		(SPTE_HOST_WRITEABLE | SPTE_MMU_WRITEABLE);
@@ -488,7 +488,7 @@ static bool spte_has_volatile_bits(u64 spte)
 	 * also, it can help us to get a stable is_writable_pte()
 	 * to ensure tlb flush is not missed.
 	 */
-	if (spte_is_locklessly_modifiable(spte))
+	if (spte_can_locklessly_be_made_writable(spte))
 		return true;
 
 	if (!shadow_accessed_mask)
@@ -557,7 +557,7 @@ static bool mmu_spte_update(u64 *sptep, u64 new_spte)
 	 * we always atomically update it, see the comments in
 	 * spte_has_volatile_bits().
 	 */
-	if (spte_is_locklessly_modifiable(old_spte) &&
+	if (spte_can_locklessly_be_made_writable(old_spte) &&
 	      !is_writable_pte(new_spte))
 		ret = true;
 
@@ -1213,7 +1213,7 @@ static bool spte_write_protect(u64 *sptep, bool pt_protect)
 	u64 spte = *sptep;
 
 	if (!is_writable_pte(spte) &&
-	      !(pt_protect && spte_is_locklessly_modifiable(spte)))
+	      !(pt_protect && spte_can_locklessly_be_made_writable(spte)))
 		return false;
 
 	rmap_printk("rmap_write_protect: spte %p %llx\n", sptep, *sptep);
@@ -2975,7 +2975,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level,
 	 * Currently, to simplify the code, only the spte write-protected
 	 * by dirty-log can be fast fixed.
 	 */
-	if (!spte_is_locklessly_modifiable(spte))
+	if (!spte_can_locklessly_be_made_writable(spte))
 		goto exit;
 
 	/*