Re: [PATCH v4 2/4] topology: use bin_attribute to avoid buff overflow

[Greg KH]

On Thu, Jun 17, 2021 at 10:19:08PM +1200, Barry Song wrote:
> From: Tian Tao <tiantao6@xxxxxxxxxxxxx>
> 
> Reading sys/devices/system/cpu/cpuX/topology/ returns cpu topology.
> However, the size of this file is limited to PAGE_SIZE because of the
> limitation for sysfs attribute. so we use bin_attribute instead of
> attribute to avoid NR_CPUS too big to cause buff overflow.
> 
> Link: https://lore.kernel.org/lkml/20210319041618.14316-2-song.bao.hua@xxxxxxxxxxxxx/
> Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
> Reviewed-by: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>

As with the other patch, you have to also sign off on this as well.

The link is pointing to a v5 of a different patch series, why put that
here?

thanks,

greg k-h