Call the getcpu_cache_handle_notify_resume() function on return to
userspace if TIF_NOTIFY_RESUME thread flag is set.

Signed-off-by: Mathieu Desnoyers <[email protected]>
CC: Thomas Gleixner <[email protected]>
CC: Paul Turner <[email protected]>
CC: Andrew Hunter <[email protected]>
CC: Peter Zijlstra <[email protected]>
CC: Andy Lutomirski <[email protected]>
CC: Andi Kleen <[email protected]>
CC: Dave Watson <[email protected]>
CC: Chris Lameter <[email protected]>
CC: Ingo Molnar <[email protected]>
CC: "H. Peter Anvin" <[email protected]>
CC: Ben Maurer <[email protected]>
CC: Steven Rostedt <[email protected]>
CC: "Paul E. McKenney" <[email protected]>
CC: Josh Triplett <[email protected]>
CC: Linus Torvalds <[email protected]>
CC: Andrew Morton <[email protected]>
CC: [email protected]
---
 arch/x86/entry/common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 0366374..eb6bcae 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -249,6 +249,7 @@ static void exit_to_usermode_loop(struct pt_regs *regs, u32 
cached_flags)
                if (cached_flags & _TIF_NOTIFY_RESUME) {
                        clear_thread_flag(TIF_NOTIFY_RESUME);
                        tracehook_notify_resume(regs);
+                       getcpu_cache_handle_notify_resume(current);
                }
 
                if (cached_flags & _TIF_USER_RETURN_NOTIFY)
-- 
2.1.4

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