Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2;
MIME-Version: 1.0
References: <20230929021213.2364883-1-joel@joelfernandes.org>
 <87bkdl55qm.fsf@email.froward.int.ebiederm.org> <CAEXW_YQ=HGok600ARtCKBNDs1OHSc=UM4hWmBdQ=sXZvif0Z5g@mail.gmail.com>
 <CAEXW_YQ3YZExYb6FLg3fvWr9K+FGgNQx7xk3p-PngLG6rt8Ntw@mail.gmail.com> <20231009100155.6d71490f@gandalf.local.home>
In-Reply-To: <20231009100155.6d71490f@gandalf.local.home>
From:   Joel Fernandes <joel@joelfernandes.org>
Date:   Tue, 10 Oct 2023 16:43:37 -0400
Message-ID: <CAEXW_YQzf9=90Y4Q6RrVZHPkdAB+0ht94LdPMCozN4JBkjXacw@mail.gmail.com>
Subject: Re: [PATCH] kexec: Fix reboot race during device_shutdown()
To:     Steven Rostedt <rostedt@goodmis.org>
Cc:     "Eric W. Biederman" <ebiederm@xmission.com>,
        linux-kernel@vger.kernel.org, Ricardo Ribalda <ribalda@google.com>,
        Ross Zwisler <zwisler@google.com>,
        Rob Clark <robdclark@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        kexec@lists.infradead.org
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

On Mon, Oct 9, 2023 at 10:00=E2=80=AFAM Steven Rostedt <rostedt@goodmis.org=
> wrote:
>
> On Sat, 7 Oct 2023 21:30:42 -0400
> Joel Fernandes <joel@joelfernandes.org> wrote:
>
> > Just checking how we want to proceed, is the consensus that we should
> > prevent kernel crashes without relying on userspace stopping all
> > processes? Should we fix regular reboot syscall as well and not just
> > kexec reboot?
>
> If you can show that we can trigger the crash on normal reboot, then I
> don't see why not. That is, if you have a program that does the reboot
> (without the SIGSTOP/SIGKILL calls) and triggers this crash, I think that=
's
> a legitimate reason to fix it on normal reboot too.

Ok, Sounds good, thanks for sharing your thoughts.

 - Joel