linux-kernel - Re: [PATCH] x86/raid6: correctly check for assembler capabilities

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Message-ID: <55808A4F.3070202@zytor.com>
Date:	Tue, 16 Jun 2015 13:42:55 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Paul Bolle <pebolle@...cali.nl>
CC:	NeilBrown <neilb@...e.de>, Jan Beulich <JBeulich@...e.com>,
	Valentin Rothberg <valentinrothberg@...il.com>, mingo@...e.hu,
	tglx@...utronix.de, james.t.kukunas@...ux.intel.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/raid6: correctly check for assembler capabilities

On 06/16/2015 01:37 PM, Paul Bolle wrote:
> 
> I have no idea what AS_AVX2 means, sorry. So what would it mean if
> someone has a .config with
>     CONFIG_AS_AVX2=foo
> 
> Ie, what would happen if someone using a toolchain for which that would
> not be possible tries to build a kernel with that symbol set? That
> person's .config would end up containing
>     # CONFIG_AS_AVX2 is not set
> 
> or similar, right? 
> 

Yes, these would be generated, not user input.

	-hpa


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