[CRYPTO] cipher: Added block cipher type

[linux-2.6-omap-h63xx.git] / include / asm-i386 / thread_info.h

diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h
index fdbc7f422ea5501ec586eabed02b349072e0184b..54d6d7aea938cf4fb1d8266418f9df1f790274c0 100644 (file)
--- a/include/asm-i386/thread_info.h
+++ b/include/asm-i386/thread_info.h
@@ -37,6 +37,7 @@ struct thread_info {
                                                   0-0xBFFFFFFF for user-thead
                                                   0-0xFFFFFFFF for kernel-thread
                                                */
+       void                    *sysenter_return;
        struct restart_block    restart_block;
 
        unsigned long           previous_esp;   /* ESP of the previous stack in case
@@ -83,17 +84,15 @@ struct thread_info {
 #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)
 {
-       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)                                 \
@@ -141,6 +140,8 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__;
 #define TIF_SECCOMP            8       /* secure computing */
 #define TIF_RESTORE_SIGMASK    9       /* restore signal mask in do_signal() */
 #define TIF_MEMDIE             16
+#define TIF_DEBUG              17      /* uses debug registers */
+#define TIF_IO_BITMAP          18      /* uses I/O bitmap */
 
 #define _TIF_SYSCALL_TRACE     (1<<TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME     (1<<TIF_NOTIFY_RESUME)
@@ -152,6 +153,8 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__;
 #define _TIF_SYSCALL_AUDIT     (1<<TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP           (1<<TIF_SECCOMP)
 #define _TIF_RESTORE_SIGMASK   (1<<TIF_RESTORE_SIGMASK)
+#define _TIF_DEBUG             (1<<TIF_DEBUG)
+#define _TIF_IO_BITMAP         (1<<TIF_IO_BITMAP)
 
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK \
@@ -160,6 +163,9 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__;
 /* work to do on any return to u-space */
 #define _TIF_ALLWORK_MASK      (0x0000FFFF & ~_TIF_SECCOMP)
 
+/* flags to check in __switch_to() */
+#define _TIF_WORK_CTXSW (_TIF_DEBUG|_TIF_IO_BITMAP)
+
 /*
  * Thread-synchronous status.
  *