From: Arnd Bergmann <arnd@arndb•de>
To: Scott Wood <scottwood@freescale•com>
Cc: linuxppc-dev@ozlabs•org, paulus@samba•org
Subject: Re: [PATCH] Allow exec on 32-bit from readable, non-exec pages, with a warning.
Date: Mon, 9 Jul 2007 22:52:09 +0200 [thread overview]
Message-ID: <200707092252.09795.arnd@arndb.de> (raw)
In-Reply-To: <4692A5B8.9010702@freescale.com>
On Monday 09 July 2007, Scott Wood wrote:
> The hardware in question doesn't support non-executable mappings;=20
> otherwise, it'd never have worked in the first place. =A0Note that this i=
s=20
> only allowed on 32-bit, non-book-E.
>=20
> There isn't much value in enforcing non-exec mappings only if it happens=
=20
> to be the first fault on a given page.
Ok, much clearer now. Do you mind adding that explanation to the
changelog text? If it's going into the stable kernel update, there
may be more people reading this with the same problem understanding
the patch.
Arnd <><
next prev parent reply other threads:[~2007-07-09 21:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-09 19:57 [PATCH] Allow exec on 32-bit from readable, non-exec pages, with a warning Scott Wood
2007-07-09 20:25 ` Arnd Bergmann
2007-07-09 21:16 ` Scott Wood
2007-07-09 20:52 ` Arnd Bergmann [this message]
2007-07-09 21:29 ` Linas Vepstas
2007-07-09 21:32 ` Scott Wood
2007-07-10 13:08 ` Segher Boessenkool
2007-07-10 23:29 ` Paul Mackerras
2007-07-11 0:03 ` Segher Boessenkool
2007-07-11 1:02 ` Paul Mackerras
2007-07-17 2:42 ` David Gibson
2007-07-17 15:18 ` Segher Boessenkool
2007-07-17 16:30 ` Kumar Gala
2007-07-17 16:37 ` Segher Boessenkool
2007-07-10 13:11 ` Segher Boessenkool
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