From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <17551.20066.365036.256580@cargo.ozlabs.ibm.com> Date: Wed, 14 Jun 2006 09:46:42 +1000 From: Paul Mackerras To: David Woodhouse Subject: Re: 32 bit userland on G5 In-Reply-To: <1150241510.11159.159.camel@shinybook.infradead.org> References: <1150194348.9208.33.camel@johannes> <1150202709.12423.21.camel@hades.cambridge.redhat.com> <17551.16830.186314.247458@cargo.ozlabs.ibm.com> <1150241510.11159.159.camel@shinybook.infradead.org> Cc: linuxppc-dev list , Johannes Berg List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , David Woodhouse writes: > 'Historical' being until about 4 years ago, around the time of > http://ecos.sourceware.org/ml/binutils/2002-05/msg00097.html ? That's not the one I was talking about; that appears to be about marking the GOT and PLT as executable in the ELF file. That may be enough in fact to allow us to turn off read-implies-exec, though. > We already did it in Fedora. We don't default to READ_IMPLIES_EXEC for > 32-bit processes on the 64-bit kernel. By patching include/asm-powerpc/elf.h? Paul.