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Date: Mon, 5 Aug 2019 09:54:44 -0700
From: Kees Cook <>
To: Borislav Petkov <>
Cc: Thomas Garnier <>,,,
	Herbert Xu <>,
	"David S. Miller" <>,
	Thomas Gleixner <>,
	Ingo Molnar <>, "H. Peter Anvin" <>,,,
Subject: Re: [PATCH v9 01/11] x86/crypto: Adapt assembly for PIE support

On Mon, Aug 05, 2019 at 06:32:02PM +0200, Borislav Petkov wrote:
> On Tue, Jul 30, 2019 at 12:12:45PM -0700, Thomas Garnier wrote:
> > Change the assembly code to use only relative references of symbols for the
> > kernel to be PIE compatible.
> > 
> > Position Independent Executable (PIE) support will allow to extend the
> > KASLR randomization range below 0xffffffff80000000.
> I believe in previous reviews I asked about why this sentence is being
> replicated in every commit message and now it is still in every commit
> message except in 2/11.
> Why do you need it everywhere and not once in the 0th mail?

I think there was some long-ago feedback from someone (Ingo?) about
giving context for the patch so looking at one individually would let
someone know that it was part of a larger series. This is a distant
memory, though. Do you think it should just be dropped in each patch?

Kees Cook

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