patch-2.4.0-test8 linux/include/asm-arm/current.h

• Lines: 33
• Date: Sun Sep 3 11:19:11 2000
• Orig file: v2.4.0-test7/linux/include/asm-arm/current.h
• Orig date: Fri Oct 22 13:21:53 1999

diff -u --recursive --new-file v2.4.0-test7/linux/include/asm-arm/current.h linux/include/asm-arm/current.h
@@ -1,30 +1,16 @@
 #ifndef _ASMARM_CURRENT_H
 #define _ASMARM_CURRENT_H
 
-static inline unsigned long get_sp(void)
-{
-	unsigned long sp;
-	__asm__ ("mov	%0,sp" : "=r" (sp));
-	return sp;
-}
-
 /* Old compilers seem to generate bad code if we allow `current' to be
    non volatile.  */
 #if (__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR__ > 90)
 static inline struct task_struct *get_current(void) __attribute__ (( __const__ ));
-#define __VOLATILE_CURRENT
-#else
-#define __VOLATILE_CURRENT volatile
 #endif
 
 static inline struct task_struct *get_current(void)
 {
-	struct task_struct *ts;
-	__asm__ __VOLATILE_CURRENT (
-	"bic	%0, sp, #0x1f00		@ get_current
-	bic	%0, %0, #0x00ff" 
-	: "=r" (ts));
-	return ts;
+	register unsigned long sp asm ("sp");
+	return (struct task_struct *)(sp & ~0x1fff);
 }
 
 #define current (get_current())