From: Laszlo Ersek <lersek@redhat.com>
To: edk2-devel@lists.sourceforge.net
Cc: Jon Masters <jcm@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Anthony Liguori <anthony@codemonkey.ws>,
Linux Virtualization <virtualization@lists.linux-foundation.org>
Subject: Re: [edk2] QueuePFN peculiarity in virtio-mmio
Date: Tue, 22 Oct 2013 20:05:43 +0200 [thread overview]
Message-ID: <5266BE77.40007@redhat.com> (raw)
In-Reply-To: <5266BC08.6070008@redhat.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Laszlo Ersek <lersek@redhat.com>
To: edk2-devel@lists.sourceforge.net
Cc: Jon Masters <jcm@redhat.com>,
Rusty Russell <rusty@rustcorp.com.au>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Anthony Liguori <anthony@codemonkey.ws>,
Linux Virtualization <virtualization@lists.linux-foundation.org>
Subject: Re: [Qemu-devel] [edk2] QueuePFN peculiarity in virtio-mmio
Date: Tue, 22 Oct 2013 20:05:43 +0200 [thread overview]
Message-ID: <5266BE77.40007@redhat.com> (raw)
In-Reply-To: <5266BC08.6070008@redhat.com>
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
next prev parent reply other threads:[~2013-10-22 18:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-22 17:49 QueuePFN peculiarity in virtio-mmio Laszlo Ersek
2013-10-22 17:49 ` [Qemu-devel] " Laszlo Ersek
2013-10-22 17:55 ` Laszlo Ersek
2013-10-22 17:55 ` [Qemu-devel] " Laszlo Ersek
2013-10-22 18:05 ` Laszlo Ersek [this message]
2013-10-22 18:05 ` [Qemu-devel] [edk2] " Laszlo Ersek
2013-10-23 1:07 ` Rusty Russell
2013-10-23 1:07 ` [Qemu-devel] " Rusty Russell
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