From: "Jörn Engel" <joern@wohnheim.fh-wedel.de>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Brian Gerst <bgerst@didntduck.org>,
christoph <christoph@scalex86.org>,
Christoph Hellwig <hch@infradead.org>,
akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Move some more structures into "mostly_readonly"
Date: Wed, 8 Jun 2005 12:20:53 +0200 [thread overview]
Message-ID: <20050608102053.GC331@wohnheim.fh-wedel.de> (raw)
In-Reply-To: <1118225246.5655.16.camel@laptopd505.fenrus.org>
On Wed, 8 June 2005 12:07:25 +0200, Arjan van de Ven wrote:
> On Wed, 2005-06-08 at 12:00 +0200, Jörn Engel wrote:
> > On Tue, 7 June 2005 17:31:19 -0400, Brian Gerst wrote:
> > >
> > > It doesn't really matter. .rodata isn't actually mapped read-only.
> > > Doing so would break up the large pages used to map the kernel.
> >
> > Can you confirm that for every architecture? Or just i386?
>
> does it matter? it's supposed to be read only, only sometimes that's not
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> enforced unfortunately.
I agree. What I don't agree with is "It doesn't really matter" - not
after debugging the occasional memory corruptions.
Jörn
--
The grand essentials of happiness are: something to do, something to
love, and something to hope for.
-- Allan K. Chalmers
next prev parent reply other threads:[~2005-06-08 10:21 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-07 18:30 christoph
2005-06-07 19:41 ` Christoph Hellwig
2005-06-07 19:59 ` christoph
2005-06-07 20:59 ` Arjan van de Ven
2005-06-07 21:31 ` Brian Gerst
2005-06-07 22:23 ` christoph
2005-06-07 22:54 ` Jeremy Maitin-Shepard
2005-06-08 6:29 ` Arjan van de Ven
2005-06-08 17:56 ` Jeremy Maitin-Shepard
2005-06-08 10:00 ` Jörn Engel
2005-06-08 10:07 ` Arjan van de Ven
2005-06-08 10:20 ` Jörn Engel [this message]
2005-06-08 10:35 ` Arjan van de Ven
2005-06-08 11:08 ` Jörn Engel
2005-06-08 14:24 ` Arnd Bergmann
2005-06-08 12:16 ` Pavel Machek
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