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[S390] remove superfluous TIF_USEDFPU bit

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The TIF_USEDFPU bit is always 0 for s390 and it is not tested anywhere.
Remove the bit. At the same time remove the calls to clear_used_math()
as well. The PF_USED_MATH bit is never set for s390 either.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2010-01-13 20:44:28 +01:00 • committed by Martin Schwidefsky
parent 6f50248ef0
commit bebf023d41
3 changed files with 5 additions and 15 deletions
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2
arch/s390/kernel/process.c
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@ -153,8 +153,6 @@ void exit_thread(void)
void flush_thread(void)
{
clear_used_math();
clear_tsk_thread_flag(current, TIF_USEDFPU);
}
void release_thread(struct task_struct *dead_task)