From: "Russell King (Oracle)" rmk+kernel@armlinux.org.uk
mainline inclusion from mainline-v6.8-rc1 commit 00bf4641201092fc06aa51f7dcf45d1ea4d3d4f7 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8XMTL CVE: NA
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Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than arch_register_cpu().
Acked-by: Palmer Dabbelt palmer@rivosinc.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: Samuel Holland samuel.holland@sifive.com Tested-by: Samuel Holland samuel.holland@sifive.com # On HiFive Unmatched Reviewed-by: Thomas Gleixner tglx@linutronix.de Link: https://lore.kernel.org/r/E1r5R4L-00Ct0d-To@rmk-PC.armlinux.org.uk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: liwei liwei728@huawei.com --- arch/riscv/kernel/setup.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 311e99741cf8..cbe15b19a36a 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -306,12 +306,9 @@ void __init setup_arch(char **cmdline_p) riscv_set_dma_cache_alignment(); }
-int arch_register_cpu(int cpu) +bool arch_cpu_is_hotpluggable(int cpu) { - struct cpu *c = &per_cpu(cpu_devices, cpu); - - c->hotpluggable = cpu_has_hotplug(cpu); - return register_cpu(c, cpu); + return cpu_has_hotplug(cpu); }
void free_initmem(void)