patch-2.3.4 linux/include/asm-i386/system.h

• Lines: 12
• Date: Tue May 25 14:56:58 1999
• Orig file: v2.3.3/linux/include/asm-i386/system.h
• Orig date: Tue May 11 13:03:58 1999

diff -u --recursive --new-file v2.3.3/linux/include/asm-i386/system.h linux/include/asm-i386/system.h
@@ -181,6 +181,11 @@
 #define __restore_flags(x) \
 __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
 
+/* For spinlocks etc */
+#define local_irq_save(x)	__asm__ __volatile__("pushfl ; popl %0 ; cli":"=g" (x): /* no input */ :"memory")
+#define local_irq_restore(x)	__asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
+#define local_irq_disable()	__asm__ __volatile__("cli": : :"memory")
+#define local_irq_enable()	__asm__ __volatile__("sti": : :"memory")
 
 #ifdef __SMP__