linux-kernel - Re: [PATCH 0/6 v5 RESEND] seccomp: add the synchronous mode for seccomp

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Message-ID: <202306281630.504D1FC6@keescook>
Date:   Wed, 28 Jun 2023 16:32:42 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Andrei Vagin <avagin@...gle.com>
Cc:     Kees Cook <kees@...nel.org>, Andrei Vagin <avagin@...il.com>,
        linux-kernel@...r.kernel.org,
        Christian Brauner <brauner@...nel.org>,
        Chen Yu <yu.c.chen@...el.com>,
        Andy Lutomirski <luto@...capital.net>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Peter Oskolkov <posk@...gle.com>,
        Tycho Andersen <tycho@...ho.pizza>,
        Will Drewry <wad@...omium.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 0/6 v5 RESEND] seccomp: add the synchronous mode for
 seccomp_unotify

On Wed, Jun 28, 2023 at 11:44:02AM -0700, Andrei Vagin wrote:
> On Wed, Apr 5, 2023 at 8:19 PM Kees Cook <kees@...nel.org> wrote:
> >
> > On April 3, 2023 11:32:00 AM PDT, Andrei Vagin <avagin@...il.com> wrote:
> > >On Mon, Mar 27, 2023 at 3:27 AM Peter Zijlstra <peterz@...radead.org> wrote:
> > >>
> > >> On Tue, Mar 07, 2023 at 11:31:55PM -0800, Andrei Vagin wrote:
> > >>
> > >> > Kees is ready to take this patch set, but wants to get Acks from the
> > >> > sched folks.
> > >> >
> > >>
> > >> > Andrei Vagin (4):
> > >> >   seccomp: don't use semaphore and wait_queue together
> > >> >   sched: add a few helpers to wake up tasks on the current cpu
> > >> >   seccomp: add the synchronous mode for seccomp_unotify
> > >> >   selftest/seccomp: add a new test for the sync mode of
> > >> >     seccomp_user_notify
> > >> >
> > >> > Peter Oskolkov (1):
> > >> >   sched: add WF_CURRENT_CPU and externise ttwu
> > >>
> > >> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> > >
> > >Kees,
> > >
> > >Could you look at this patch set? You wrote to one of the previous
> > >versions that you are ready to take it if sched maintainers approve it.
> > >Here is no major changes from that moment. The sched-related part has
> > >been cleaned up according with Peter's comments, and I moved the perf
> > >test to the perf tool.
> >
> > Hi!
> >
> > Yes, thanks for keeping this going! I'm catching up after some vacation, but this is on my TODO list. :)
> 
> Hi Kees. Do you have any updates on this series?

Apologies for the delay!

I've added this to the seccomp tree -- it should show up in -next soon.

-Kees

-- 
Kees Cook