linux-kernel - Re: [PATCH 04/11] x86/microcode_core_early.c: Define interfaces for early load ucode

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: <20120820140630.GD24149@aftab.osrc.amd.com>
Date:	Mon, 20 Aug 2012 16:06:30 +0200
From:	Borislav Petkov <bp@...64.org>
To:	"Yu, Fenghua" <fenghua.yu@...el.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Mallick, Asit K" <asit.k.mallick@...el.com>,
	Tigran Aivazian <tigran@...azian.fsnet.co.uk>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	Borislav Petkov <borislav.petkov@....com>,
	linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH 04/11] x86/microcode_core_early.c: Define interfaces for
 early load ucode

On Sun, Aug 19, 2012 at 04:39:42PM +0000, Yu, Fenghua wrote:
> > Actually I think we can also skip one level of indirection here... no
> > need to mention "microcode" twice.
> > 
> > kernel/x86/microcode/GenuineIntel or GenuineIntel.bin seems good
> > enough... the idea here of course is that the string can come from
> > CPUID.
> That's right. Will do this.

Or,

in case we want to supply more vendor-specific stuff early at boot, we
could do:

kernel/x86/<vendor>/microcode...
		|-> bios_overrides
		|-> ...

and have this layout extensible from the beginning...

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/