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Re: [Qemu-devel] [PATCH] Migration compatibility for serial
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] Migration compatibility for serial |
Date: |
Wed, 17 Jun 2015 18:35:41 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 17/06/2015 18:34, Michael S. Tsirkin wrote:
> > > > I just tried, set prog_if to different values, sure it failed.
> > >
> > > How so? It's just a byte in config space.
>
> Why does it fail? Because pci core migrates it and validates it
> on both sides.
I cannot find it, can you show me the validation code?
> > > David's patches are also guest visible, are they not?
> > > We are losing state guest can indirectly observe, right?
> >
> > One case only happens during migration, the other does not.
> >
> True - apparently the bug was only in the migration stream,
> not the functionality?
Yes.
Paolo
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, (continued)
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Paolo Bonzini, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Paolo Bonzini, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Paolo Bonzini, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Paolo Bonzini, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Paolo Bonzini, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Juan Quintela, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Dr. David Alan Gilbert, 2015/06/17