From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: Re: [PATCH net-next 2/5] bpf: Add map_name to bpf_map_info Date: Fri, 29 Sep 2017 19:52:21 -0700 Message-ID: <20170929195221.732aab55@cakuba> References: <20170927213756.1254938-1-kafai@fb.com> <20170927213756.1254938-3-kafai@fb.com> <20170929190746.322df52d@cakuba> <20170930023518.bmc6dbpnz27wunod@kafai-mbp> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: , Alexei Starovoitov , Daniel Borkmann , To: Martin KaFai Lau Return-path: Received: from mx3.wp.pl ([212.77.101.9]:14412 "EHLO mx3.wp.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752649AbdI3Cwa (ORCPT ); Fri, 29 Sep 2017 22:52:30 -0400 In-Reply-To: <20170930023518.bmc6dbpnz27wunod@kafai-mbp> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 29 Sep 2017 19:35:18 -0700, Martin KaFai Lau wrote: > On Sat, Sep 30, 2017 at 02:07:46AM +0000, Jakub Kicinski wrote: > > Hi Martin! > > > > On Wed, 27 Sep 2017 14:37:53 -0700, Martin KaFai Lau wrote: > > > diff --git a/include/linux/bpf.h b/include/linux/bpf.h > > > index 33ccc474fb04..252f4bc9eb25 100644 > > > --- a/include/linux/bpf.h > > > +++ b/include/linux/bpf.h > > > @@ -56,6 +56,7 @@ struct bpf_map { > > > struct work_struct work; > > > atomic_t usercnt; > > > struct bpf_map *inner_map_meta; > > > + u8 name[BPF_OBJ_NAME_LEN]; > > > > Any reason not to use plain char? I was looking at adding names to > > bpftool and: > Happy to have early user :) The newly exposed info is so useful I couldn't resist :) > It was mostly due to my early idea on treating the name as > a blob without much char checking, which was then trashed > but did not reflect that here. > > I will make a followup patch later. Awesome, thanks!