linux-kernel - Re: [PATCH 1/2] x86: Track minimum microcode revision globally v2

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]

Date:	Tue, 12 Jun 2012 15:09:25 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Borislav Petkov <bp@...en8.de>, Andi Kleen <andi@...stfloor.org>,
	x86@...nel.org, hpa@...or.com, eranian@...gle.com,
	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl
Subject: Re: [PATCH 1/2] x86: Track minimum microcode revision globally v2


> Ok, is it only me or is this boot_min_microcode superfluous?
> IOW, you can only use boot_cpu_data.microcode instead and drop
> boot_min_microcode.

boot_cpu_data.microcode contains a copy of the original microcode,
so we couldn't detect the boot cpu case. In theory could hard code CPU 
#0 is boot cpu or so,
but I prefer to track it with the separate variable.

-Andi


--
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/