[SLOF] [PATCH 0/3] Fix virtio-serial

Alexey Kardashevskiy aik at ozlabs.ru
Tue Mar 10 14:43:15 AEDT 2020



On 10/03/2020 09:42, Greg Kurz wrote:
> This fixes the virtio-serial failures we're observing since the VQs
> were moved to the device.
> 
> Patch 1 addresses the issue of the missing current instance, ie. my-self,
> when calling "dma-map-in". This fixes IOMMU support.
> 
> Patch 2 reworks the shutdown sequence of the device. Note that the guest
> seems to be booting okay with or without IOMMU at this point.
> 
> Patch 3 is Alexey's "virtio-serial: Close device completely" patch
> rebased on top of the other two.
> 
> Lightly tested with a fedora31 guest. Doesn't break spapr-vty.
> 
> Please comment.


Lovely, thanks a lot for fixing this up! I'll push  this out tonight,
cheers.


> 
> --
> Greg
> 
> ---
> 
> Alexey Kardashevskiy (1):
>       virtio-serial: Close device completely
> 
> Greg Kurz (2):
>       virtio-serial: Don't override some words
>       virtio-serial: Rework shutdown sequence
> 
> 
>  board-qemu/slof/virtio-serial.fs |   18 ++++++------------
>  lib/libvirtio/virtio-serial.c    |    7 +++++++
>  slof/fs/client.fs                |    5 +++++
>  3 files changed, 18 insertions(+), 12 deletions(-)
> 

-- 
Alexey


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