On Tue, 9 Feb 2021 at 03:31, Eric Dumazet <eric.duma...@gmail.com> wrote:
>
Hi Eric,
Thank you for the review!
>
>
> On 2/8/21 6:58 PM, Taehee Yoo wrote:
> > Currently, struct ip6_sf_socklist doesn't use list API so that code
> > shape is a little bit different from others.
> > So it converts ip6_sf_socklist to use list API so it would
> > improve readability.
> >
> > Signed-off-by: Taehee Yoo <ap420...@gmail.com>
> > ---
> > include/net/if_inet6.h | 19 +-
> > include/uapi/linux/in.h | 4 +-
> > net/ipv6/mcast.c | 387 +++++++++++++++++++++++++---------------
> > 3 files changed, 256 insertions(+), 154 deletions(-)
> >
> > diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
> > index babf19c27b29..6885ab8ec2e9 100644
> > --- a/include/net/if_inet6.h
> > +++ b/include/net/if_inet6.h
> > @@ -13,6 +13,7 @@
> > #include <net/snmp.h>
> > #include <linux/ipv6.h>
> > #include <linux/refcount.h>
> > +#include <linux/types.h>
> >
> > /* inet6_dev.if_flags */
> >
> > @@ -76,23 +77,19 @@ struct inet6_ifaddr {
> > };
> >
> > struct ip6_sf_socklist {
> > - unsigned int sl_max;
> > - unsigned int sl_count;
> > - struct in6_addr sl_addr[];
> > + struct list_head list;
> > + struct in6_addr sl_addr;
> > + struct rcu_head rcu;
> > };
> >
>
> I dunno about readability, but :
>
> Your patches adds/delete more than 1000 lines, who is really going to review
> this ?
>
Sorry for that, I think I was so hasty.
> You replace dense arrays by lists, so the performance will likely be hurt,
> as cpu caches will be poorly used.
>
Thanks, I understand why the arrays have been using.
I will send a v2 patch, which contains only the necessary changes.
Thanks a lot,
Taehee Yoo
