On 06/25/2013 02:48 PM, Heiko Carstens wrote: > On Tue, Jun 25, 2013 at 09:46:45AM +0800, Chen Gang wrote: >> > When smp_add_present_cpu() fails, it has reset all things excluding >> > 'c->hotpluggable', so need reset it as original state completely. >> > >> > Signed-off-by: Chen Gang <gang.c...@asianux.com> >> > --- >> > arch/s390/kernel/smp.c | 1 + >> > 1 files changed, 1 insertions(+), 0 deletions(-) >> > >> > diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c >> > index 15a016c..c4c6f42 100644 >> > --- a/arch/s390/kernel/smp.c >> > +++ b/arch/s390/kernel/smp.c >> > @@ -1016,6 +1016,7 @@ out_cpu: >> > unregister_cpu(c); >> > #endif >> > out: >> > + c->hotpluggable = 0; >> > return rc; > No, that doesn't make sense. All cpus on s390 are always hotplugable. > It really doesn't matter if the value of this field is 0 or 1 after > an error. >
If so, is it better to set 'c->hotpluggable' for all cpus on s390 during initializing ? Thanks. -- Chen Gang Asianux Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
