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

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Message-ID: <C7D9CFE1-0FEF-41F1-81CC-E3D5C4E61213@kernel.org>
Date:   Wed, 05 Apr 2023 20:19:26 -0700
From:   Kees Cook <kees@...nel.org>
To:     Andrei Vagin <avagin@...il.com>, 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 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. :)

-Kees


-- 
Kees Cook