linux-kernel - Re: [PATCH v1] xen: avoid crash in disable_hotplug

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] [day] [month] [year] [list]

Message-ID: <20180905172714.301ee3ca.olaf@aepfle.de>
Date:   Wed, 5 Sep 2018 17:27:14 +0200
From:   Olaf Hering <olaf@...fle.de>
To:     Juergen Gross <jgross@...e.com>
Cc:     xen-devel@...ts.xenproject.org,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1] xen: avoid crash in disable_hotplug_cpu

Am Wed, 5 Sep 2018 17:14:48 +0200
schrieb Juergen Gross <jgross@...e.com>:

> I'm not sure this WARN triggers because it is cpu#0. Are you sure
> the tested cpu in that WARN was 0? After all the test is just running
> on cpu#0 and I don't think it can be offline already.

If I leave cpu#0 alone, no WARN is triggered.
I resend with test cpu_is_hotpluggable.

Olaf

Content of type "application/pgp-signature" skipped