From b99a3ee2223e29059b00616365625cc9c55a362e Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Mon, 19 Feb 2001 18:47:27 +0000
Subject: (__pthread_lock): Force lock->__status to be read from memory on
 every spin.

---
 linuxthreads/spinlock.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'linuxthreads')

diff --git a/linuxthreads/spinlock.c b/linuxthreads/spinlock.c
index 63f2ed1693..f284b580d2 100644
--- a/linuxthreads/spinlock.c
+++ b/linuxthreads/spinlock.c
@@ -88,6 +88,7 @@ again:
 	  return;
 	}
       }
+      __asm __volatile ("" : "=m" (lock->__status) : "0" (lock->__status));
     }
 
     lock->__spinlock += (spin_count - lock->__spinlock) / 8;
-- 
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