From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Sat, 03 Nov 2012 13:30:56 +0100 Subject: [U-Boot] [PATCH 05/10] arm: Add CONFIG_DELAY_ENVIRONMENT to delay environment loading In-Reply-To: <1351813330-23741-5-git-send-email-sjg@chromium.org> References: <1351813330-23741-1-git-send-email-sjg@chromium.org> <1351813330-23741-5-git-send-email-sjg@chromium.org> Message-ID: <20121103123056.CD6E4200255@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Simon Glass, In message <1351813330-23741-5-git-send-email-sjg@chromium.org> you wrote: > This option delays loading of the environment until later, so that only the > default environment will be available to U-Boot. > > This can address the security risk of untrusted data being used during boot. > > When CONFIG_DELAY_ENVIRONMENT is defined, it is convenient to have a > run-time way of enabling loadinlg of the environment. Add this to the > fdt as /config/delay-environment. Please explain what exactly this is good for, or which exact "security risks" this is supposed to fix. As is, I strongly tend to NAK this. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de In the beginning, there was nothing, which exploded. - Terry Pratchett, _Lords and Ladies_