MIPS: MSA: bugfix - disable MSA correctly for new threads/processes.

Due to the slightly odd way that new threads and processes start execution
when scheduled for the very first time they were bypassing the required
disable_msa call.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index e92d6c4b5ed192305b0b1f1605481f745cfadb10..7163cd7fdd69a622892e4be83acbe0450e8f2af0 100644 (file)
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -104,7 +104,6 @@ do {                                                                        \
        if (test_and_clear_tsk_thread_flag(prev, TIF_USEDMSA))          \
                __fpsave = FP_SAVE_VECTOR;                              \
        (last) = resume(prev, next, task_thread_info(next), __fpsave);  \
-       disable_msa();                                                  \
 } while (0)
 
 #define finish_arch_switch(prev)                                       \
@@ -122,6 +121,7 @@ do {                                                                        \
        if (cpu_has_userlocal)                                          \
                write_c0_userlocal(current_thread_info()->tp_value);    \
        __restore_watch();                                              \
+       disable_msa();                                                  \
 } while (0)
 
 #endif /* _ASM_SWITCH_TO_H */