patch-2.2.0-pre1 linux/include/asm-alpha/softirq.h

• Lines: 25
• Date: Sun Dec 27 15:20:32 1998
• Orig file: v2.1.132/linux/include/asm-alpha/softirq.h
• Orig date: Wed Sep 9 14:51:10 1998

diff -u --recursive --new-file v2.1.132/linux/include/asm-alpha/softirq.h linux/include/asm-alpha/softirq.h
@@ -27,7 +27,7 @@
 extern inline void init_bh(int nr, void (*routine)(void))
 {
 	bh_base[nr] = routine;
-	bh_mask_count[nr] = 0;
+	atomic_set(&bh_mask_count[nr], 0);
 	bh_mask |= 1 << nr;
 }
 
@@ -116,12 +116,13 @@
 extern inline void disable_bh(int nr)
 {
 	bh_mask &= ~(1 << nr);
-	bh_mask_count[nr]++;
+	atomic_inc(&bh_mask_count[nr]);
+	synchronize_bh();
 }
 
 extern inline void enable_bh(int nr)
 {
-	if (!--bh_mask_count[nr])
+	if (atomic_dec_and_test(&bh_mask_count[nr]))
 		bh_mask |= 1 << nr;
 }