From: Dan Malek <dan@embeddededge.com>
To: ming lei <mlei30@yahoo.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: double kernel page table entry for the same physical page?!
Date: Wed, 13 Jul 2005 15:36:13 -0700 [thread overview]
Message-ID: <17068cbdcbb1e2de531d33eb07f768e5@embeddededge.com> (raw)
In-Reply-To: <20050713214802.68288.qmail@web61016.mail.yahoo.com>
On Jul 13, 2005, at 2:48 PM, ming lei wrote:
> Why linux kernel does such thing and no one consider
> it's a problem?
Because we don't write software that accesses the memory
from both of those locations, unless it is very intentional
and necessary. If you are just fishing for ways software
_could_ do bad things, there are tons of them. It's our
job to write it so it doesn't :-)
Thanks.
-- Dan
next prev parent reply other threads:[~2005-07-13 22:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-13 20:10 double kernel page table entry for the same physical page?! ming lei
2005-07-13 21:27 ` Dan Malek
2005-07-13 21:48 ` ming lei
2005-07-13 22:36 ` Dan Malek [this message]
2005-07-14 1:57 ` ming lei
2005-07-14 7:15 ` Pantelis Antoniou
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