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Re: [for-5.0 0/4] spapr: Improvements to CAS feature negotiation


From: Cédric Le Goater
Subject: Re: [for-5.0 0/4] spapr: Improvements to CAS feature negotiation
Date: Mon, 2 Dec 2019 08:05:13 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1

On 29/11/2019 06:33, David Gibson wrote:
> This series contains several cleanups to the handling of the
> ibm,client-architecture-support firmware call used for boot time
> feature negotiation between the guest OS and the firmware &
> hypervisor.
> 
> Mostly it's just internal polish, but one significant user visible
> change is that we no longer generate an extra CAS reboot to switch
> between XICS and XIVE interrupt modes (by far the most common cause of
> CAS reboots in practice).


I love it. thanks for removing this extra reboot.

C. 


> 
> David Gibson (4):
>   spapr: Don't trigger a CAS reboot for XICS/XIVE mode changeover
>   spapr: Improve handling of fdt buffer size
>   spapr: Fold h_cas_compose_response() into
>     h_client_architecture_support()
>   spapr: Simplify ovec diff
> 
>  hw/ppc/spapr.c              | 92 +++----------------------------------
>  hw/ppc/spapr_hcall.c        | 90 +++++++++++++++++++++++++-----------
>  hw/ppc/spapr_ovec.c         | 30 ++++--------
>  include/hw/ppc/spapr.h      |  4 +-
>  include/hw/ppc/spapr_ovec.h |  4 +-
>  5 files changed, 83 insertions(+), 137 deletions(-)
> 




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