ACK: [Zesty][PATCH v4 00/13] POWER9 XIVE: msgsnd/doorbell IPI support(backport)

[Seth Forshee]

On Mon, May 29, 2017 at 11:54:26AM -0300, Gustavo Walbon wrote:
> BugLink: http://bugs.launchpad.net/bugs/1691973
> 
> The backport was requested for 16.04.3 HWE to be enabled the XIVE 
> feature on the POWER9 systems.
> 
> The tests were done using the Sysbench for CPU,fileIO and Threads tests, 
> and the FIO tester to write directly on disk without buffering. All
>  tests were performed in order to stress the machine using its 32 
> threads of CPUs for 12 hr.
> 
> The commits below were cherry-pick to enable XIVE features.
> 
> The fixing from Michael Ellerman which it solved the kernel 
> crash while the starting boot of the machine.
> 
> Changelog:
> v3: Fixes wrong links for the launchpad and commit references to linus
>  tree, thanks Seth.
> v4: Fixes wrong references and cover letter message, thanks Mauricio.

Clean cherry picks, scope is limed to powerpc.

Acked-by: Seth Forshee <seth.forshee at canonical.com>