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parisc: Replace cpu_up/down() with add/remove_cpu()

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The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down().

See commit a6717c01dd ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.

This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.

Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Helge Deller <deller@gmx.de>
Link: https://lkml.kernel.org/r/20200323135110.30522-13-qais.yousef@arm.com
This commit is contained in:
Qais Yousef 2020-03-23 13:51:05 +00:00 committed by Thomas Gleixner
parent 7f6707a204
commit 02addaeaa7
1 changed files with 1 additions and 1 deletions
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2
arch/parisc/kernel/processor.c
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@ -212,7 +212,7 @@ static int __init processor_probe(struct parisc_device *dev)
#ifdef CONFIG_SMP
if (cpuid) {
set_cpu_present(cpuid, true);
cpu_up(cpuid);
add_cpu(cpuid);
}
#endif