[PATCH] sched: sched_cacheflush is now unused

[linux-2.6] / include / asm-mips / system.h

diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index bb0b289dbc9ef25ac7f211b620309ab66bfbe76b..76339165bc20e90e84089f8da7fb795f9b9b00c2 100644 (file)
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -44,7 +44,7 @@ struct task_struct;
  * different thread.
  */
 
-#define switch_to(prev,next,last)                                      \
+#define __mips_mt_fpaff_switch_to(prev)                                        \
 do {                                                                   \
        if (cpu_has_fpu &&                                              \
            (prev->thread.mflags & MF_FPUBOUND) &&                      \
@@ -52,34 +52,24 @@ do {                                                                        \
                prev->thread.mflags &= ~MF_FPUBOUND;                    \
                prev->cpus_allowed = prev->thread.user_cpus_allowed;    \
        }                                                               \
-       if (cpu_has_dsp)                                                \
-               __save_dsp(prev);                                       \
        next->thread.emulated_fp = 0;                                   \
-       (last) = resume(prev, next, task_thread_info(next));            \
-       if (cpu_has_dsp)                                                \
-               __restore_dsp(current);                                 \
 } while(0)
 
 #else
+#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
+#endif
+
 #define switch_to(prev,next,last)                                      \
 do {                                                                   \
+       __mips_mt_fpaff_switch_to(prev);                                \
        if (cpu_has_dsp)                                                \
                __save_dsp(prev);                                       \
        (last) = resume(prev, next, task_thread_info(next));            \
        if (cpu_has_dsp)                                                \
                __restore_dsp(current);                                 \
+       if (cpu_has_userlocal)                                          \
+               write_c0_userlocal(task_thread_info(current)->tp_value);\
 } while(0)
-#endif
-
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
 
 static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
 {