linux-kernel - Re: [PATCH] x86, boot: skip relocs when load address unchanged

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Message-ID: <54B8F2F5.8020601@whissi.de>
Date:	Fri, 16 Jan 2015 12:16:05 +0100
From:	"Thomas D." <whissi@...ssi.de>
To:	Kees Cook <keescook@...omium.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"x86@...nel.org" <x86@...nel.org>, Vivek Goyal <vgoyal@...hat.com>,
	Jan Beulich <JBeulich@...e.com>,
	Junjie Mao <eternal.n08@...il.com>,
	Andi Kleen <ak@...ux.intel.com>, Baoquan He <bhe@...hat.com>
Subject: Re: [PATCH] x86, boot: skip relocs when load address unchanged

Hi,

Kees Cook wrote:
> This is a reimplementation of Baoquan's "kaslr: check if kernel location is
> changed", which performs the check without needing to change the function
> declaration. This should have exactly the same effect, but I dropped Vivek's
> Ack and Thomas's Test, since it's technically a different patch.

Your patch works for me, too.

Tested with linux-3.19-rc4 on a 64-bit system.

Thanks!


-Thomas


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