linux-kernel - Re: [PATCH 2/2] x86, microcode: Make reload interface per system

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Message-ID: <20120620032658.GA31566@khazad-dum.debian.net>
Date:	Wed, 20 Jun 2012 00:26:58 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Borislav Petkov <bp@...64.org>
Cc:	"Yu, Fenghua" <fenghua.yu@...el.com>, X86-ML <x86@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 2/2] x86, microcode: Make reload interface per system

On Wed, 20 Jun 2012, Borislav Petkov wrote:
> which makes me wonder whether we still need that OLD INTERFACE.
> Henrique, any thoughts here?

Well, there are distros out there that only have microcode.ctl, so you
should give them _some_ advanced warning.

As far as I am concerned you can simply deprecate /dev/cpu/microcode for,
say, two kernel releases, and then delete it.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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