linux-kernel - Re: [PATCH 1/4] xenbus: move xenbus_dev

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]

Date:   Mon, 9 Dec 2019 12:33:47 +0100
From:   Jürgen Groß <jgross@...e.com>
To:     Paul Durrant <pdurrant@...zon.com>, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org
Cc:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH 1/4] xenbus: move xenbus_dev_shutdown() into frontend
 code...

On 05.12.19 15:01, Paul Durrant wrote:
> ...and make it static
> 
> xenbus_dev_shutdown() is seemingly intended to cause clean shutdown of PV
> frontends when a guest is rebooted. Indeed the function waits for a
> conpletion which is only set by a call to xenbus_frontend_closed().
> 
> This patch removes the shutdown() method from backends and moves
> xenbus_dev_shutdown() from xenbus_probe.c into xenbus_probe_frontend.c,
> renaming it appropriately and making it static.

Is this a good move considering driver domains?

At least I'd expect the commit message addressing the expected behavior
with rebooting a driver domain and why this patch isn't making things
worse.


Juergen