netdev - Re: [PATCH bpf-next v2 12/12] tools: bpftool: allow reuse of maps with bpftool prog load

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 9 Jul 2018 12:48:20 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     daniel@...earbox.net, oss-drivers@...ronome.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next v2 12/12] tools: bpftool: allow reuse of maps
 with bpftool prog load

On Mon, Jul 09, 2018 at 10:59:44AM -0700, Jakub Kicinski wrote:
> Add map parameter to prog load which will allow reuse of existing
> maps instead of creating new ones.
> 
> We need feature detection and compat code for reallocarray, since
> it's not available in many libc versions.
> 
> Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
> Reviewed-by: Quentin Monnet <quentin.monnet@...ronome.com>

cmdline interface feels a bit awkward to use, but it's a nice improvement.
Acked-by: Alexei Starovoitov <ast@...nel.org>

any plans to extend bpf_map_def similar to iproute2 ?
so things like pinned file name and map reuse can be specified in .c file
instead of cmdline?