diff --git a/xen/arch/x86/x86_64/compat/entry.S b/xen/arch/x86/x86_64/compat/entry.S
index 3bb6b61646..474ffbc951 100644
--- a/xen/arch/x86/x86_64/compat/entry.S
+++ b/xen/arch/x86/x86_64/compat/entry.S
@@ -109,6 +109,8 @@ compat_process_trap:
 /* %rbx: struct vcpu, interrupts disabled */
 ENTRY(compat_restore_all_guest)
         ASSERT_INTERRUPTS_DISABLED
+        mov   $~(X86_EFLAGS_IOPL|X86_EFLAGS_NT|X86_EFLAGS_VM),%r11d
+        and   UREGS_eflags(%rsp),%r11d
 .Lcr4_orig:
         .skip .Lcr4_alt_end - .Lcr4_alt, 0x90
 .Lcr4_orig_end:
@@ -144,6 +146,8 @@ ENTRY(compat_restore_all_guest)
                              (.Lcr4_orig_end - .Lcr4_orig), \
                              (.Lcr4_alt_end - .Lcr4_alt)
         .popsection
+        or    $X86_EFLAGS_IF,%r11
+        mov   %r11d,UREGS_eflags(%rsp)
         RESTORE_ALL adj=8 compat=1
 .Lft0:  iretq
         _ASM_PRE_EXTABLE(.Lft0, handle_exception)
diff --git a/xen/arch/x86/x86_64/entry.S b/xen/arch/x86/x86_64/entry.S
index 66aefaa781..85f1a4b0ba 100644
--- a/xen/arch/x86/x86_64/entry.S
+++ b/xen/arch/x86/x86_64/entry.S
@@ -40,28 +40,29 @@ restore_all_guest:
         testw $TRAP_syscall,4(%rsp)
         jz    iret_exit_to_guest
 
+        movq  24(%rsp),%r11           # RFLAGS
+        andq  $~(X86_EFLAGS_IOPL|X86_EFLAGS_NT|X86_EFLAGS_VM),%r11
+        orq   $X86_EFLAGS_IF,%r11
+
         /* Don't use SYSRET path if the return address is not canonical. */
         movq  8(%rsp),%rcx
         sarq  $47,%rcx
         incl  %ecx
         cmpl  $1,%ecx
-        ja    .Lforce_iret
+        movq  8(%rsp),%rcx            # RIP
+        ja    iret_exit_to_guest
 
         cmpw  $FLAT_USER_CS32,16(%rsp)# CS
-        movq  8(%rsp),%rcx            # RIP
-        movq  24(%rsp),%r11           # RFLAGS
         movq  32(%rsp),%rsp           # RSP
         je    1f
         sysretq
 1:      sysretl
 
-.Lforce_iret:
-        /* Mimic SYSRET behavior. */
-        movq  8(%rsp),%rcx            # RIP
-        movq  24(%rsp),%r11           # RFLAGS
         ALIGN
 /* No special register assumptions. */
 iret_exit_to_guest:
+        andl  $~(X86_EFLAGS_IOPL|X86_EFLAGS_NT|X86_EFLAGS_VM),24(%rsp)
+        orl   $X86_EFLAGS_IF,24(%rsp)
         addq  $8,%rsp
 .Lft0:  iretq
         _ASM_PRE_EXTABLE(.Lft0, handle_exception)