Date: Sun, 21 Apr 2013 12:46:24 -0700 From: Kees Cook <keescook@...omium.org> To: Ingo Molnar <mingo@...nel.org> Cc: "H. Peter Anvin" <hpa@...or.com>, LKML <linux-kernel@...r.kernel.org>, "x86@...nel.org" <x86@...nel.org>, "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, David Woodhouse <David.Woodhouse@...el.com>, Jiri Kosina <jkosina@...e.cz>, Olaf Hering <olaf@...fle.de>, Yinghai Lu <yinghai@...nel.org>, Matt Fleming <matt.fleming@...el.com>, Gokul Caushik <caushik1@...il.com>, Josh Triplett <josh@...htriplett.org>, Joe Millenbach <jmillenbach@...il.com>, Alexander Duyck <alexander.h.duyck@...el.com>, Jacob Shin <jacob.shin@....com>, Pekka Enberg <penberg@...nel.org>, Eric Northup <digitaleric@...gle.com>, Dan Rosenberg <drosenberg@...curity.com>, Julien Tinnes <jln@...gle.com>, Will Drewry <wad@...omium.org> Subject: Re: [PATCH] x86: kaslr: move ELF relocation handling to C On Sun, Apr 21, 2013 at 2:13 AM, Ingo Molnar <mingo@...nel.org> wrote: > > * Kees Cook <keescook@...omium.org> wrote: > >> Moves the relocation handling into C, after decompression. Only >> kernels that need relocation support will use the code. The new >> CONFIG_RANDOMIZE_BASE does not yet do anything except turn on this logic >> for 64-bit kernels. > > So why not keep the inactive CONFIG_RANDOMIZE_BASE hunks in a separate > patch, and just have this one clean, orthogonal patch that moves > relocation handling into C? I had wanted there to be a way to test building with 64-bit relocations. With this patch and CONFIG_RANDOMIZE_BASE=y, I could do that. Would you rather I remove those pieces? -Kees -- Kees Cook Chrome OS Security
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