kvm: add support for memory transaction attributes

Let kvm_arch_post_run convert fields in the kvm_run struct to MemTxAttrs.
These are then passed to address_space_rw.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/target-arm/kvm.c b/target-arm/kvm.c
index fdd9ba3..16abbf1 100644
--- a/target-arm/kvm.c
+++ b/target-arm/kvm.c
@@ -23,6 +23,7 @@
 #include "cpu.h"
 #include "internals.h"
 #include "hw/arm/arm.h"
+#include "exec/memattrs.h"
 
 const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
     KVM_CAP_LAST_INFO
@@ -506,8 +507,9 @@
 {
 }
 
-void kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
+MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
 {
+    return MEMTXATTRS_UNSPECIFIED;
 }
 
 int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)