linux-kernel - Re: [PATCH v4 12/16] libnvdimm, nfit: enable support for volatile ranges

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: <20170706025621.GA15122@lst.de>
Date:   Thu, 6 Jul 2017 04:56:21 +0200
From:   "hch@....de" <hch@....de>
To:     Oliver <oohall@...il.com>
Cc:     "hch@....de" <hch@....de>, Dan Williams <dan.j.williams@...el.com>,
        "jack@...e.cz" <jack@...e.cz>,
        "mawilcox@...rosoft.com" <mawilcox@...rosoft.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH v4 12/16] libnvdimm, nfit: enable support for volatile
        ranges

On Thu, Jul 06, 2017 at 12:53:13PM +1000, Oliver wrote:
> The main use case is provisioning install media for bare metal
> servers. Traditionally that's been handled by having the BMC emulate a
> USB CD drive. Unfortunately, most BMCs have limited CPU, limited
> memory and a wet-string network connection so a host based alternative
> is nice to have.

If they are CD replacement they should be marked as read-only, which
would solve any concerns about them being volatile or not.