X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fkernel_lock.c;h=e0fdfddb406ec3975673f150f46bd3302bc08599;hb=81d84a94be8085475c3585596e52b06ccbedd922;hp=e713e86811aeb1ff1efdb5d68fabea7a63042c3c;hpb=0a1340c185734a57fbf4775927966ad4a1347b02;p=linux-2.6

diff --git a/lib/kernel_lock.c b/lib/kernel_lock.c
index e713e86811..e0fdfddb40 100644
--- a/lib/kernel_lock.c
+++ b/lib/kernel_lock.c
@@ -177,7 +177,12 @@ static inline void __lock_kernel(void)
 
 static inline void __unlock_kernel(void)
 {
-	spin_unlock(&kernel_flag);
+	/*
+	 * the BKL is not covered by lockdep, so we open-code the
+	 * unlocking sequence (and thus avoid the dep-chain ops):
+	 */
+	_raw_spin_unlock(&kernel_flag);
+	preempt_enable();
 }
 
 /*