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Date: Fri, 24 Mar 2017 10:36:15 +0100 From: Borislav Petkov <bp@...en8.de> To: Ingo Molnar <mingo@...nel.org> Cc: Dave Young <dyoung@...hat.com>, Baoquan He <bhe@...hat.com>, linux-kernel@...r.kernel.org, stable@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, linux-efi@...r.kernel.org, Thomas Garnier <thgarnie@...gle.com>, Kees Cook <keescook@...omium.org>, Andrew Morton <akpm@...ux-foundation.org>, Masahiro Yamada <yamada.masahiro@...ionext.com>, Bhupesh Sharma <bhsharma@...hat.com> Subject: Re: [PATCH v2] x86/mm/KASLR: EFI region is mistakenly included into KASLR VA space for randomization On Fri, Mar 24, 2017 at 10:24:34AM +0100, Ingo Molnar wrote: > Preserving virtual addresses for kexec is a red herring: the randomized offset > could be passed to the kexec-ed kernel just fine. Not only that - kexec'ed kernel gets the addresses from sysfs so we can randomize. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
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