linux-kernel - Re: [PATCH 0/2] Improve firmware loading times on AMD and Intel

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:	Sun, 20 Oct 2013 15:58:01 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Prarit Bhargava <prarit@...hat.com>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org,
	herrmann.der.user@...glemail.com, ming.lei@...onical.com,
	tigran@...azian.fsnet.co.uk
Subject: Re: [PATCH 0/2] Improve firmware loading times on AMD and Intel

Prarit Bhargava <prarit@...hat.com> writes:
>
> Using request_firmware_nowait() seems more appropriate here and then we
> can avoid these delays, resulting in very quick load times for the
> microcode.

It would  be probably also good to remember if the loading failed for a 
given CPU and then don't try it on any other.

Just need to cache the exact stepping too to handle different steppings.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
--
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/