linux-kernel - Re: [PATCH 2/2] cpu: intel, amd: mask cleared cpuid features

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Message-ID: <20120724134405.7a42b5bd@pyramind.ukuu.org.uk>
Date:	Tue, 24 Jul 2012 13:44:05 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andre Przywara <andre.przywara@....com>
Cc:	Vladimir Davydov <vdavydov@...allels.com>,
	Borislav Petkov <bp@...64.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...ux.intel.com>,
	Borislav Petkov <borislav.petkov@....com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andreas Herrmann <andreas.herrmann3@....com>
Subject: Re: [PATCH 2/2] cpu: intel, amd: mask cleared cpuid features

> This approach does not need any kernel support (except for the 
> /proc/cpuinfo filtering). Does this address the issues you have?

You can do the /proc/cpuinfo filtering in user space too

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