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[S390] ap bus poll thread priority.
The ap bus is supposed to have a low priority. We must use 19 instead of -20, which is just the opposite. Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -1062,7 +1062,7 @@ static int ap_poll_thread(void *data)
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unsigned long flags;
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int requests;
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set_user_nice(current, -20);
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set_user_nice(current, 19);
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while (1) {
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if (need_resched()) {
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schedule();
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