futex: refresh patch for comment line now context coming from stable

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/patches/futex-workaround-migrate_disable-enable-in-different.patch b/patches/futex-workaround-migrate_disable-enable-in-different.patch
index ea63415..9396890 100644
--- a/patches/futex-workaround-migrate_disable-enable-in-different.patch
+++ b/patches/futex-workaround-migrate_disable-enable-in-different.patch
@@ -1,3 +1,4 @@
+From 562e9207a8ef3f7c67de7312659f26f891af8473 Mon Sep 17 00:00:00 2001
 From: Thomas Gleixner <tglx@linutronix.de>
 Date: Wed, 8 Mar 2017 14:23:35 +0100
 Subject: [PATCH] futex: workaround migrate_disable/enable in different context
@@ -13,9 +14,11 @@
  kernel/futex.c |   20 ++++++++++++++++++++
  1 file changed, 20 insertions(+)
 
+diff --git a/kernel/futex.c b/kernel/futex.c
+index d4ec1a1404fc..f5b21fd753a9 100644
 --- a/kernel/futex.c
 +++ b/kernel/futex.c
-@@ -2671,9 +2671,18 @@ static int futex_lock_pi(u32 __user *uad
+@@ -2682,9 +2682,18 @@ static int futex_lock_pi(u32 __user *uaddr, unsigned int flags,
  	 * lock handoff sequence.
  	 */
  	raw_spin_lock_irq(&q.pi_state->pi_mutex.wait_lock);
@@ -34,7 +37,7 @@
  
  	if (ret) {
  		if (ret == 1)
-@@ -2817,10 +2826,21 @@ static int futex_unlock_pi(u32 __user *u
+@@ -2828,11 +2837,21 @@ static int futex_unlock_pi(u32 __user *uaddr, unsigned int flags)
  		 * observed.
  		 */
  		raw_spin_lock_irq(&pi_state->pi_mutex.wait_lock);
@@ -48,7 +51,7 @@
 +		migrate_disable();
  		spin_unlock(&hb->lock);
  
-+		/* Drops pi_state->pi_mutex.wait_lock */
+ 		/* drops pi_state->pi_mutex.wait_lock */
  		ret = wake_futex_pi(uaddr, uval, pi_state);
  
 +		migrate_enable();
@@ -56,3 +59,6 @@
  		put_pi_state(pi_state);
  
  		/*
+-- 
+2.15.0
+