Commit 9cce844a authored Jul 16, 2020 by Huacai Chen Committed by Thomas Bogendoerfer Jul 26, 2020

MIPS: CPU#0 is not hotpluggable



Now CPU#0 is not hotpluggable on MIPS, so prevent to create /sys/devices
/system/cpu/cpu0/online which confuses some user-space tools.

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

parent d8727385

arch/mips/kernel/topology.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -20,7 +20,7 @@ static int __init topology_init(void)
		for_each_present_cpu(i) {
		struct cpu *c = &per_cpu(cpu_devices, i);

		c->hotpluggable = 1;
		c->hotpluggable = !!i;
		ret = register_cpu(c, i);
		if (ret)
		printk(KERN_WARNING "topology_init: register_cpu %d "

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