1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 8f8f61a1fce8..860afce9660a 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -410,6 +410,8 @@ END(save_paranoid)
 ENTRY(ret_from_fork)
         DEFAULT_FRAME
 
+        LOCK ; btr $TIF_FORK,TI_flags(%r8)
+
         push kernel_eflags(%rip)
         CFI_ADJUST_CFA_OFFSET 8
         popf                                    # reset kernel eflags
@@ -1146,7 +1148,7 @@ ENTRY(native_load_gs_index)
         CFI_STARTPROC
         pushf
         CFI_ADJUST_CFA_OFFSET 8
-        DISABLE_INTERRUPTS(CLBR_ANY | ~(CLBR_RDI))
+        DISABLE_INTERRUPTS(CLBR_ANY & ~CLBR_RDI)
         SWAPGS
 gs_change:
         movl %edi,%gs