linux-kernel - Re: early microcode: how to disable at runtime?

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: <20140905085222.GB11432@nazgul.tnic>
Date:	Fri, 5 Sep 2014 10:52:22 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"Yu, Fenghua" <fenghua.yu@...el.com>
Cc:	Henrique de Moraes Holschuh <hmh@....eng.br>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: early microcode: how to disable at runtime?

On Thu, Sep 04, 2014 at 06:37:05PM +0000, Yu, Fenghua wrote:
> In case this comment may cause confusion, I need to confirm that:
> 
> The parameter "dis_ucode_ldr" only turns off early microcode loading from the initrd.
> It does not trun off loading microcode later during run time.

Are you asking or are you saying?

Because it should disable loading of the microcode machinery later too -
see microcode_init().

-- 
Regards/Gruss,
    Boris.
--
--
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/