Re: [Qemu-devel] [RFC PATCH v1 2/6] migration: Introduce unregister_savevm_live()

[Bharata B Rao <bharata@linux.vnet.ibm.com>]

On Wed, May 17, 2017 at 04:45:44PM +1000, David Gibson wrote:
> On Wed, May 17, 2017 at 09:19:18AM +0530, Bharata B Rao wrote:
> > Introduce a new function unregister_savevm_live() to unregister the vmstate
> > handlers registered via register_savevm_live().
> > 
> > register_savevm() allocates SaveVMHandlers while register_savevm_live()
> > gets passed with SaveVMHandlers. During unregistration, we  want to
> > free SaveVMHandlers in the former case but not free in the latter case.
> > Hence this new API is needed to differentiate this.
> > 
> > This new API will be needed by PowerPC to unregister the HTAB savevm
> > handlers.
> > 
> > Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
> 
> It's not my bailiwick, so I don't get final say, but I dislike
> changing the signature of the existing unregister_savevm() interface.
> I think it would be preferable to only add the 'live' paramter to a
> new unregister_savevm_common() (or whatever) function.

Yeah, much better, let me change this in next version.

Regards,
Bharata.