linux-kernel - Re: [PATCH v2] xen: issue warning message when out of grant maptrack entries

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]

Message-ID: <cd0f5ffd-a4c1-c096-2254-696003be3860@oracle.com>
Date:   Wed, 19 Sep 2018 11:00:08 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Juergen Gross <jgross@...e.com>, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v2] xen: issue warning message when out of grant maptrack
 entries

On 9/19/18 9:42 AM, Juergen Gross wrote:
> When a driver domain (e.g. dom0) is running out of maptrack entries it
> can't map any more foreign domain pages. Instead of silently stalling
> the affected domUs issue a rate limited warning in this case in order
> to make it easier to detect that situation.
>
> Signed-off-by: Juergen Gross <jgross@...e.com>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>