[PATCH v2 1/1] hotplug-cpu.c: show 'last online CPU' error in dlpar_cpu_offline()

[Daniel Henrique Barboza]

Hey Daniel,

On 3/26/21 2:24 AM, Daniel Axtens wrote:
> Hi Daniel,
> 
> Two small nitpicks:
> 
>> This patch adds a 'last online' check in dlpar_cpu_offline() to catch
>> the 'last online CPU' offline error, eturning a more informative error
>                                         ^--- s/eturning/returning/;
> 
> 
>> +			/* device_offline() will return -EBUSY (via cpu_down())
>> +			 * if there is only one CPU left. Check it here to fail
>> +			 * earlier and with a more informative error message,
>> +			 * while also retaining the cpu_add_remove_lock to be sure
>> +			 * that no CPUs are being online/offlined during this
>> +			 * check. */
> 
> Checkpatch has a small issue with this comment:
> 
> WARNING: Block comments use a trailing */ on a separate line
> #50: FILE: arch/powerpc/platforms/pseries/hotplug-cpu.c:279:
> +			 * check. */
> 
> Apart from that, this patch seems sane to me, but I haven't been able to
> test it.


Thanks for the review, and for letting me know of the existence of
'scripts/checkpatch.pl' to verify the patches before posting. I'll
send a v3.


Thanks,


DHB


> 
> Kind regards,
> Daniel
>