From: Keir Fraser <keir.fraser@eu.citrix.com>
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>
Subject: Re: guest attempted write to read-only memory page.
Date: Thu, 25 Dec 2008 09:09:13 +0000 [thread overview]
Message-ID: <C578FE39.20907%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <495345F7.6080905@jp.fujitsu.com>
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
prev parent reply other threads:[~2008-12-25 9:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-22 10:12 guest attempted write to read-only memory page Tian, Kevin
2008-12-22 10:33 ` Keir Fraser
2008-12-22 13:11 ` Tian, Kevin
2008-12-22 13:20 ` Tian, Kevin
2008-12-22 13:42 ` Keir Fraser
2008-12-22 14:21 ` Tian, Kevin
2008-12-22 15:11 ` Keir Fraser
2008-12-23 2:37 ` Tian, Kevin
2008-12-25 1:54 ` Akio Takebe
2008-12-25 8:09 ` Keir Fraser
2008-12-25 8:36 ` Akio Takebe
2008-12-25 9:09 ` Keir Fraser [this message]
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