From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: guest attempted write to read-only memory page.
Date: Thu, 25 Dec 2008 09:09:13 +0000
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References: <495345F7.6080905@jp.fujitsu.com>
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To: Akio Takebe <takebe_akio@jp.fujitsu.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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On 25/12/2008 08:36, "Akio Takebe" <takebe_akio@jp.fujitsu.com> wrote:

>>> Some option ROMs would do write accesses.
>>> So rombios need to enable write acess before rom_scan.
>>> I'll post a patch to fix.
>> 
>> This behaviour existed before your upgrade, and it's not a bug. I fixed by
>> removing the warning message.
>> 
> But shadow memory should enable write accesses during INIT and BCV.
> It's in BBS spec.

Oh, I hadn't realised that. Perhaps then it is appropriate to apply your
patch and actually re-enable warnings in Xen. Since the only 'false
positives' were from the ROM initialisations.

I shall apply something suitable. Thanks.

 -- Keir