Re: [PATCH v4 00/25] migration: Improve error reporting

[Cédric Le Goater]

On 3/8/24 09:15, Peter Xu wrote:
> On Wed, Mar 06, 2024 at 02:34:15PM +0100, Cédric Le Goater wrote:
> > * [1-4] already queued in migration-next.
> >    
> >    migration: Report error when shutdown fails
> >    migration: Remove SaveStateHandler and LoadStateHandler typedefs
> >    migration: Add documentation for SaveVMHandlers
> >    migration: Do not call PRECOPY_NOTIFY_SETUP notifiers in case of error
> >    
> > * [5-9] are prequisite changes in other components related to the
> >    migration save_setup() handler. They make sure a failure is not
> >    returned without setting an error.
> >    
> >    s390/stattrib: Add Error** argument to set_migrationmode() handler
> >    vfio: Always report an error in vfio_save_setup()
> >    migration: Always report an error in block_save_setup()
> >    migration: Always report an error in ram_save_setup()
> >    migration: Add Error** argument to vmstate_save()
> >
> > * [10-15] are the core changes in migration and memory components to
> >    propagate an error reported in a save_setup() handler.
> >
> >    migration: Add Error** argument to qemu_savevm_state_setup()
> >    migration: Add Error** argument to .save_setup() handler
> >    migration: Add Error** argument to .load_setup() handler
>
> Further queued 5-12 in migration-staging (until here), thanks.

Thanks Peter. All the prereq changes should reach 9.0, which leaves
time to discuss the core changes for 9.1.

C.