linux-kernel - Re: [RFC PATCH] x86: Make sure verify

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Message-ID: <20160302222842.GM8362@pd.tnic>
Date:	Wed, 2 Mar 2016 23:28:42 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Brian Gerst <brgerst@...il.com>, X86 ML <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [RFC PATCH] x86: Make sure verify_cpu has a good stack

On Wed, Mar 02, 2016 at 02:11:51PM -0800, H. Peter Anvin wrote:
> Not sure if we need a reference to _text here.

Ah, so stack_start is in .ref.data, I guess we can add a __ref_data
marker in vmlinux.lds.S to denote the start of the .ref.data section and
use that for calculating the delta...

-- 
Regards/Gruss,
    Boris.

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