[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH v5 4/5] hw/i386/pc: use PVH option rom

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v5 4/5] hw/i386/pc: use PVH option rom
Date: Mon, 21 Jan 2019 19:33:32 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

On 21/01/19 18:36, Stefano Garzarella wrote:
>> | On Tue, Jan 15, 2019 at 01:57:22PM -0500, Michael S. Tsirkin wrote:
>> | > OK but this is guest visible so needs to be guarded by the
>> | > new machine type.
>> | 
>> | Aren't option ROMs treated like other firmware?  i.e.: guest
>> | visible, but copied during live migration and not considered part
>> | of guest ABI.
> I don't know the exact answer, but reading the wiki, I think Michael is right!
> (https://wiki.qemu.org/Features/Migration/Troubleshooting#ROMs)
> Maybe it is related for PVH feature in general, because if we try to
> migrate to a QEMU version that doesn't support PVH I'm not sure what is
> the behaviour.

As far as I understand, QEMU would fail to migrate to the destination
because the PVH option ROM doesn't have a corresponding RAMBlock.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]