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Commit 9cc719ab authored by Ralf Baechle's avatar Ralf Baechle
Browse files

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: default avatarRalf Baechle <ralf@linux-mips.org>
parent d9fb5660

arch/mips/include/asm/switch_to.h

+1 −1
Original line number Diff line number Diff line
@@ -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 */