Unverified Commit f40fe31c authored by Pingfan Liu's avatar Pingfan Liu Committed by Palmer Dabbelt
Browse files

riscv: cpu-hotplug: clear cpu from numa map when teardown 



There is numa_add_cpu() when cpus online, accordingly, there should be
numa_remove_cpu() when cpus offline.

Signed-off-by: default avatarPingfan Liu <kernelfans@gmail.com>
Fixes: 4f0e8eef ("riscv: Add numa support for riscv64 platform")
Cc: stable@vger.kernel.org
[Palmer: Add missing NUMA include]
Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent f81393a5

arch/riscv/kernel/cpu-hotplug.c

+2 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <linux/sched/hotplug.h>

#include <asm/irq.h>

#include <asm/cpu_ops.h>

#include <asm/numa.h>

#include <asm/sbi.h>



bool cpu_has_hotplug(unsigned int cpu)
@@ -40,6 +41,7 @@ int __cpu_disable(void) 
		return ret;



	remove_cpu_topology(cpu);

	numa_remove_cpu(cpu);

	set_cpu_online(cpu, false);

	irq_migrate_all_off_this_cpu();