linux-kernel - Re: [PATCH v3 08/15] MIPS: IP27: remove KV

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

Date:   Fri, 11 Nov 2022 14:02:16 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Cye Borg <cyborgyn@...il.com>
Cc:     Ahelenia Ziemiańska 
        <nabijaczleweli@...ijaczleweli.xyz>,
        Jonathan Corbet <corbet@....net>,
        Federico Vaga <federico.vaga@...a.pv.it>,
        Alex Shi <alexs@...nel.org>,
        Yanteng Si <siyanteng@...ngson.cn>,
        Hu Haowen <src.res@...il.cn>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc-tw-discuss@...ts.sourceforge.net,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH v3 08/15] MIPS: IP27: remove KV_MAGIC

On Fri, Nov 11, 2022 at 06:39:10AM +0100, Cye Borg wrote:
> Just asking:
> This code in SGI seems to help bring online other CPUs.
> - Does it use the firmware to do it?
> - Is there a possibility that the magic number in this case is used by the
> firmware?
> - If yes: do we break multiprocessing on SGI if we delete this "useless
> relic", which is not referenced in the linux code elsewhere?

this magic is just for a internal struct not used by firmware. It came
from IRIX code, but there is no point in keeping it

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]