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[PATCH] i386: use C code for current_thread_info()
[powerpc.git]
/
include
/
asm-i386
/
thread_info.h
diff --git
a/include/asm-i386/thread_info.h
b/include/asm-i386/thread_info.h
index
fdbc7f4
..
ff1e2b1
100644
(file)
--- a/
include/asm-i386/thread_info.h
+++ b/
include/asm-i386/thread_info.h
@@
-83,17
+83,15
@@
struct thread_info {
#define init_stack (init_thread_union.stack)
#define init_stack (init_thread_union.stack)
+/* how to get the current stack pointer from C */
+register unsigned long current_stack_pointer asm("esp") __attribute_used__;
+
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{
- struct thread_info *ti;
- __asm__("andl %%esp,%0; ":"=r" (ti) : "0" (~(THREAD_SIZE - 1)));
- return ti;
+ return (struct thread_info *)(current_stack_pointer & ~(THREAD_SIZE - 1));
}
}
-/* how to get the current stack pointer from C */
-register unsigned long current_stack_pointer asm("esp") __attribute_used__;
-
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \