| Message ID | 1594791329-20563-1-git-send-email-chenhc@lemote.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | MIPS: CPU#0 is not hotpluggable | expand |
Hello! On 15.07.2020 8:35, Huacai Chen wrote: > Now CPU#0 is not hotpluggable on MIPS, so prevent to create /sys/devices > /system/cpu/cpu0/online which confusing some user-space tools. Confuses? > Cc: stable@vger.kernel.org > Signed-off-by: Huacai Chen <chenhc@lemote.com> [...] MBR, Sergei
Hi, Sergei, On Wed, Jul 15, 2020 at 3:56 PM Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> wrote: > > Hello! > > On 15.07.2020 8:35, Huacai Chen wrote: > > > Now CPU#0 is not hotpluggable on MIPS, so prevent to create /sys/devices > > /system/cpu/cpu0/online which confusing some user-space tools. > > Confuses? Yes, this is my fault. > > > Cc: stable@vger.kernel.org > > Signed-off-by: Huacai Chen <chenhc@lemote.com> > [...] > > MBR, Sergei
diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c index cd3e1f8..08ad637 100644 --- a/arch/mips/kernel/topology.c +++ b/arch/mips/kernel/topology.c @@ -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 "
Now CPU#0 is not hotpluggable on MIPS, so prevent to create /sys/devices /system/cpu/cpu0/online which confusing some user-space tools. Cc: stable@vger.kernel.org Signed-off-by: Huacai Chen <chenhc@lemote.com> --- arch/mips/kernel/topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)