linux-kernel - Re: x86, microcode: BUG: microcode update that changes x86

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Message-ID: <20140919144937.GB5318@nazgul.tnic>
Date:	Fri, 19 Sep 2014 16:49:37 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
Cc:	Andy Lutomirski <luto@...capital.net>,
	Chuck Ebbert <cebbert.lkml@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: x86, microcode: BUG: microcode update that changes x86_capability

On Fri, Sep 19, 2014 at 10:51:08AM -0300, Henrique de Moraes Holschuh wrote:
> And I will also continue to pester you with patches to the microcode driver
> :-)

That's fine - I'm currently busy and not looking at them but I haven't
forgotten them.

> But I will not trigger a microcode update when the intel-microcode package
> gets updated/installed anymore.  The user will be warned of the need for
> either a reboot or a manually triggered microcode update.

That's also wrong - you need to warn only on the affected machines.

-- 
Regards/Gruss,
    Boris.
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