linux-kernel - Re: [PATCH v6 01/27] x86/crypto: Adapt assembly for PIE support

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Message-ID: <20190207114850.GD2414@zn.tnic>
Date:   Thu, 7 Feb 2019 12:48:50 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Thomas Garnier <thgarnie@...omium.org>
Cc:     kernel-hardening@...ts.openwall.com, kristen@...ux.intel.com,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 01/27] x86/crypto: Adapt assembly for PIE support

On Thu, Jan 31, 2019 at 11:24:08AM -0800, 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.

This sentence is auto-sprinkled in a bunch of commit messages. Sounds to
me it should be rather somewhere in the 0/n message as a justification
for the feature but not in every other commit message...?

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.