linux-kernel - Re: [Xen-devel] [PATCH] xen: remove unused Kconfig parameter

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Message-ID: <51DC27BF.9090606@zytor.com>
Date:	Tue, 09 Jul 2013 08:09:51 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...en8.de>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jan Beulich <JBeulich@...e.com>, Matt Wilson <msw@...zon.com>,
	Michael Opdenacker <michael.opdenacker@...e-electrons.com>,
	jeremy@...p.org, x86@...nel.org, tglx@...utronix.de,
	virtualization@...ts.linux-foundation.org,
	xen-devel@...ts.xensource.com, mingo@...hat.com,
	Paul Bolle <pebolle@...cali.nl>, linux-kernel@...r.kernel.org
Subject: Re: [Xen-devel] [PATCH] xen: remove unused Kconfig parameter

On 07/09/2013 08:05 AM, Borislav Petkov wrote:
> On Tue, Jul 09, 2013 at 10:48:40AM -0400, Konrad Rzeszutek Wilk wrote:
>> Then that should be discussed on grub2 to remove said check and modify
>> the code so that it can properly work without regression.
> 
> Actually, the kernel patch removing that symbol should be applied so
> that grub2 breaks faster. One can't possibly rely on kernel internals
> for anything, as it is insanely insane (yep, the tautology is on purpose
> :-)).
> 

Indeed, especially since it inherently assumes something is a kernel
compile-time option... we routinely change things between compile time
and runtime.

	-hpa

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