[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [edk2] QueuePFN peculiarity in virtio-mmio
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] [edk2] QueuePFN peculiarity in virtio-mmio |
Date: |
Tue, 22 Oct 2013 20:05:43 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130912 Thunderbird/17.0.9 |
On 10/22/13 19:55, Laszlo Ersek wrote:
>> The question arises because Olivier has posted a series to edk2-devel
>> that adds virtio-mmio support to TianoCore, and Mark tested it (using
>> OVMF) with a Linux guest and found problems. Namely, OVMF itself can
>> drive the virtio devices via virtio-mmio, but the Linux kernel booted
>> from OVMF can not. The reason is the missing zeroing of QueuePFN when
>> OVMF is exiting. (I'm just paraphrasing the analysis.)
s/OVMF/AArch64 foundation model/g
http://thread.gmane.org/gmane.comp.bios.tianocore.devel/4373/focus=4411
I should have followed my own advice, not to post when sick. I'll go now
and hide in a cave.
Laszlo
/facepalm