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Date: Wed, 03 Apr 2013 15:48:53 +0200
From: Laszlo Ersek <lersek@redhat.com>
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Subject: Re: [Qemu-devel] Use of flash for x86 BIOS
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To: Markus Armbruster <armbru@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, Anthony Liguori <aliguori@us.ibm.com>, Juan Quintela <quintela@redhat.com>, jordan.l.justen@intel.com, patches@linaro.org, qemu-devel@nongnu.org, Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>, Jordan Justen <jljusten@gmail.com>

On 03/22/13 20:48, Markus Armbruster wrote:
> Jordan Justen <jljusten@gmail.com> writes:

>>> 1. The "pc-sysfw" device is mostly harmless.
>>
>> Indeed, and it's only marginally of interest until kvm supports it.
>>
>> Admittedly, I've been completely ineffectual in resolving the kvm
>> portion. More recently I tried to make use of KVM_MEM_READONLY to
>> address this. I was able to get an VM exit on writes to flash, but not
>> able to get the memory region to convert to full device mode so VM
>> exits would occur on reads as well. I am once again stalled...
> 
> Have you discussed your difficulties on kvm@vger.kernel.org?

The most recent discussion that I'm aware of was:

http://lists.nongnu.org/archive/html/qemu-devel/2013-01/msg05150.html
http://lists.nongnu.org/archive/html/qemu-devel/2013-01/msg05236.html

(both are sub-threads under the same patch submission).

Laszlo