linux-kernel - Re: [PATCH 1/2] cgroup: Add generation number with cgroup id

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]

Message-ID: <CAM9d7chqPu2qE5XoDVu5dHGzn35NX-GyPMwq-ir6CYgk0b3soA@mail.gmail.com>
Date:   Fri, 25 Oct 2019 18:38:00 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Tejun Heo <tj@...nel.org>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Li Zefan <lizefan@...wei.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Song Liu <liu.song.a23@...il.com>
Subject: Re: [PATCH 1/2] cgroup: Add generation number with cgroup id

On Fri, Oct 25, 2019 at 5:30 PM Namhyung Kim <namhyung@...nel.org> wrote:
> > >  /*
> > >   * A cgroup_root represents the root of a cgroup hierarchy, and may be
> > >   * associated with a kernfs_root to form an active hierarchy.  This is
> > > @@ -521,7 +529,7 @@ struct cgroup_root {
> > >       unsigned int flags;
> > >
> > >       /* IDs for cgroups in this hierarchy */
> > > -     struct idr cgroup_idr;
> > > +     struct cgroup_idr cgroup_idr;
> >
> > Given that there's cgroup->self css, can we get rid of the above?
>
> I don't follow.  Do you want to remove cgroup_idr and share the
> css_idr for cgroup id?

Or, you don't want to add cgroup_idr struct and use idr directly?

Thanks
Namhyung