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From: Paul Mackerras <paulus@samba.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>,
	Johannes Berg <johannes@sipsolutions.net>
Subject: Re: 32 bit userland on G5
Date: Wed, 14 Jun 2006 09:46:42 +1000	[thread overview]
Message-ID: <17551.20066.365036.256580@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <1150241510.11159.159.camel@shinybook.infradead.org>

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.

  reply	other threads:[~2006-06-13 23:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-13 10:25 32 bit userland on G5 Johannes Berg
2006-06-13 12:45 ` David Woodhouse
2006-06-13 16:05   ` Johannes Berg
2006-06-13 16:15     ` David Woodhouse
2006-06-13 16:18       ` Johannes Berg
2006-06-13 22:52   ` Paul Mackerras
2006-06-13 23:31     ` David Woodhouse
2006-06-13 23:46       ` Paul Mackerras [this message]
2006-06-14  0:04         ` David Woodhouse
2006-06-13 22:44 ` Paul Mackerras
2006-06-14  8:35   ` Johannes Berg

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