linux-kernel - Re: [PATCH v4 08/14] platform/x86: dell-smbios: Add a sysfs interface for SMBIOS tokens

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: <CAHp75VdT5Dofm+O4cVfADhZu_PFB345-VNbc8os_c4qDaegB-w@mail.gmail.com>
Date:   Thu, 5 Oct 2017 11:49:57 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Mario Limonciello <mario.limonciello@...l.com>
Cc:     "dvhart@...radead.org" <dvhart@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>, quasisec@...gle.com,
        Pali Rohár <pali.rohar@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, mjg59@...gle.com,
        Christoph Hellwig <hch@....de>, Greg KH <greg@...ah.com>
Subject: Re: [PATCH v4 08/14] platform/x86: dell-smbios: Add a sysfs interface
 for SMBIOS tokens

On Thu, Oct 5, 2017 at 1:48 AM, Mario Limonciello
<mario.limonciello@...l.com> wrote:
> Currently userspace tools can access system tokens via the dcdbas
> kernel module and a SMI call that will cause the platform to execute
> SMM code.
>
> With a goal in mind of deprecating the dcdbas kernel module a different
> method for accessing these tokens from userspace needs to be created.
>
> This is intentionally marked to only be readable as root as it can
> contain sensitive information about the platform's configuration.
>
> MAINTAINERS was missing for this driver.  Add myself and Pali to
> maintainers list for it.
>
> Signed-off-by: Mario Limonciello <mario.limonciello@...l.com>

> Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>

To be clear I just suggested the output format in ->show() callback.


-- 
With Best Regards,
Andy Shevchenko