From: "Scott Parish" <srparish@us.ibm.com>
To: "Nakajima, Jun" <jun.nakajima@intel.com>
Cc: xen-devel@lists.xensource.com, Scott Parish <srparish@us.ibm.com>
Subject: Re: [patch] nx bit shouldn't get set when disabled
Date: Wed, 8 Jun 2005 22:33:46 +0000 [thread overview]
Message-ID: <20050608223345.GG14747@us.ibm.com> (raw)
In-Reply-To: <7F740D512C7C1046AB53446D37200173043350F1@scsmsx402.amr.corp.intel.com>
On Wed, Jun 08, 2005 at 03:47:01PM -0700, Nakajima, Jun wrote:
> Agree on that part. Should read like:
>
> pte = pte_offset_kernel(pmd, (vstart + (i*PAGE_SIZE)));
> + pte->pte &= __supported_pte_mask;
> pfn = pte->pte >> PAGE_SHIFT;
I dissent. Same reason as yesterday: the above might work right now, but
as soon as we enable NX the NX bit will end up in the pfn/mfn.
sRp
--
Scott Parish
Signed-off-by: srparish@us.ibm.com
next prev parent reply other threads:[~2005-06-08 22:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-08 22:47 [patch] nx bit shouldn't get set when disabled Nakajima, Jun
2005-06-08 22:33 ` Scott Parish [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-06-09 15:02 Nakajima, Jun
2005-06-08 23:29 Nakajima, Jun
2005-06-08 21:56 Nakajima, Jun
2005-06-08 22:00 ` Keir Fraser
2005-06-08 21:30 Ian Pratt
2005-06-08 21:28 ` Keir Fraser
2005-06-07 21:02 [patch] predicate NX flag Nakajima, Jun
2005-06-08 18:06 ` [patch] nx bit shouldn't get set when disabled Scott Parish
2005-06-08 19:56 ` Keir Fraser
2005-06-08 19:47 ` Scott Parish
2005-06-08 21:23 ` Keir Fraser
[not found] ` <20050608204727.GH3182@us.ibm.com>
[not found] ` <d246c2258805470a73cb0b357f3a6739@cl.cam.ac.uk>
2005-06-08 22:39 ` Scott Parish
2005-06-09 12:59 ` Scott Parish
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