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

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Message-ID: <CANaxB-wjNAuFGcNErnfz3gy1TG=W6XoJSb0hQM=TtB25YoGSqw@mail.gmail.com>
Date:   Mon, 3 Apr 2023 11:32:00 -0700
From:   Andrei Vagin <avagin@...il.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Andrei Vagin <avagin@...gle.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 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.

Thanks,
Andrei