From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id 1B2436B025F for ; Thu, 17 Aug 2017 00:56:19 -0400 (EDT) Received: by mail-wr0-f198.google.com with SMTP id y96so10423029wrc.10 for ; Wed, 16 Aug 2017 21:56:19 -0700 (PDT) Received: from mail-wr0-x229.google.com (mail-wr0-x229.google.com. [2a00:1450:400c:c0c::229]) by mx.google.com with ESMTPS id z21si2751814edc.200.2017.08.16.21.56.17 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Aug 2017 21:56:17 -0700 (PDT) Received: by mail-wr0-x229.google.com with SMTP id z91so23548405wrc.4 for ; Wed, 16 Aug 2017 21:56:17 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20170816224650.1089-3-labbott@redhat.com> References: <20170816224650.1089-1-labbott@redhat.com> <20170816224650.1089-3-labbott@redhat.com> From: Nick Kralevich Date: Wed, 16 Aug 2017 21:56:15 -0700 Message-ID: Subject: Re: [kernel-hardening] [PATCHv2 2/2] extract early boot entropy from the passed cmdline Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Laura Abbott Cc: Kees Cook , Daniel Micay , kernel-hardening@lists.openwall.com, lkml , linux-mm@kvack.org, Andrew Morton On Wed, Aug 16, 2017 at 3:46 PM, Laura Abbott wrote: > From: Daniel Micay > > Existing Android bootloaders usually pass data useful as early entropy > on the kernel command-line. It may also be the case on other embedded > systems. Sample command-line from a Google Pixel running CopperheadOS: > Why is it better to put this into the kernel, rather than just rely on the existing userspace functionality which does exactly the same thing? This is what Android already does today: https://android-review.googlesource.com/198113 -- Nick -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org