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Re: [PATCH for-5.2 6/6] pc-bios/s390-ccw: Allow booting in case the firs

From: Cornelia Huck
Subject: Re: [PATCH for-5.2 6/6] pc-bios/s390-ccw: Allow booting in case the first virtio-blk disk is bad
Date: Wed, 5 Aug 2020 12:27:08 +0200

On Wed, 5 Aug 2020 12:08:59 +0200
Thomas Huth <thuth@redhat.com> wrote:

> On 05/08/2020 12.04, Cornelia Huck wrote:
> > On Tue, 28 Jul 2020 20:37:34 +0200
> > Thomas Huth <thuth@redhat.com> wrote:
> >   
> >> If you try to boot with two virtio-blk disks (without bootindex), and
> >> only the second one is bootable, the s390-ccw bios currently stops at
> >> the first disk and does not continue booting from the second one. This
> >> is annoying - and all other major QEMU firmwares succeed to boot from
> >> the second disk in this case, so we should do the same in the s390-ccw
> >> bios, too.  
> > 
> > Does it make sense to do something like that for other device types as
> > well?  
> It would be nice if we could do the same for virtio-scsi disks, but the
> code is written in a way here that it will need much more thinking,
> cleanups and time to get this done right...

Yeah, let's just go for the lower-hanging fruit first, and then see if
someone's sufficiently motivated to grab a ladder.

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