Re: [PATCH v21 00/20] Initial support for multi-process Qemu

[elena <elena.ufimtseva@oracle.com>]

On Fri, Mar 12, 2021 at 01:30:24PM +0100, Thomas Huth wrote:
> On 29/01/2021 17.46, Jagannathan Raman wrote:
> > Hi,
> > 
> > This is the v21 of the patchset. This version has the following changes:
> > 
> > [PATCH v18 08/20] io: add qio_channel_readv_full_all_eof &
> >                 qio_channel_readv_full_all helpers
> >    - Separates out the error handling for (len = 0) & (len < 0)
> >    - (len = 0) does not necessarily mean EOF. It could also be
> >      a case where only FDs are read, without any data with more data
> >      possibly on the way. Addresses this scenario as well, as was
> >      pointed out in the feedback from last time.
> > 
> > To touch upon the history of this project, we posted the Proof Of Concept
> > patches before the BoF session in 2018. Subsequently, we have posted 20
> > versions on the qemu-devel mailing list. You can find them by following
> > the links below ([1] - [20]). Following people contributed to the design and
> > implementation of this project:
> > Jagannathan Raman <jag.raman@oracle.com>
> > Elena Ufimtseva <elena.ufimtseva@oracle.com>
> > John G Johnson <john.g.johnson@oracle.com>
> > Stefan Hajnoczi <stefanha@redhat.com>
> > Konrad Wilk <konrad.wilk@oracle.com>
> > Kanth Ghatraju <kanth.ghatraju@oracle.com>
> > 
> > We would like to thank you for your feedback in the
> > design and implementation of this project. Qemu wiki page:
> > https://wiki.qemu.org/Features/MultiProcessQEMU
> > 
> > For the full concept writeup about QEMU multi-process, please
> > refer to docs/devel/qemu-multiprocess.rst. Also, see
> > docs/qemu-multiprocess.txt for usage information.
> 
>  Hi!
> 
> FWIW, the x-remote machine can be used to crash QEMU:
> 
> $ ./qemu-system-i386 -machine x-remote -device piix3-ide
> Segmentation fault (core dumped)
> 
> ... discovered with the scripts/device-crash-test script.
>

Thank you Thomas,

We will have the patch shortly.


Elena
>  Thomas
>