patch-2.2.0-pre6 linux/include/asm-arm/softirq.h

• Lines: 25
• Date: Thu Jan 7 15:51:33 1999
• Orig file: v2.2.0-pre5/linux/include/asm-arm/softirq.h
• Orig date: Tue Apr 14 14:29:25 1998

diff -u --recursive --new-file v2.2.0-pre5/linux/include/asm-arm/softirq.h linux/include/asm-arm/softirq.h
@@ -13,7 +13,7 @@
 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;
 }
 
@@ -58,13 +58,13 @@
 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;
 }