From: "Russell King (Oracle)" rmk+kernel@armlinux.org.uk
mainline inclusion from mainline-v6.8-rc1 commit 092cfbc6b51143fd216bd55f8811f427d2ef0a0f category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8XMTL CVE: NA
----------------------------------
Convert arm64 to use the arch_cpu_is_hotpluggable() helper rather than arch_register_cpu().
Reviewed-by: Shaoqin Huang shahuang@redhat.com Reviewed-by: Gavin Shan gshan@redhat.com Signed-off-by: "Russell King (Oracle)" rmk+kernel@armlinux.org.uk Reviewed-by: Jonathan Cameron Jonathan.Cameron@huawei.com Reviewed-by: Thomas Gleixner tglx@linutronix.de Link: https://lore.kernel.org/r/E1r5R3g-00Cszg-PP@rmk-PC.armlinux.org.uk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: liwei liwei728@huawei.com --- arch/arm64/kernel/setup.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 7f661a89a51d..95cb22c083c8 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -451,13 +451,9 @@ static inline bool cpu_can_disable(unsigned int cpu) return false; }
-int arch_register_cpu(int num) +bool arch_cpu_is_hotpluggable(int num) { - struct cpu *cpu = &per_cpu(cpu_devices, num); - - cpu->hotpluggable = cpu_can_disable(num); - - return register_cpu(cpu, num); + return cpu_can_disable(num); }
static void dump_kernel_offset(void)