Re: [PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-12 Thread David Gibson
65;5803;1cOn Fri, Dec 13, 2019 at 09:34:38AM +0530, Bharata B Rao wrote: > On Thu, Dec 12, 2019 at 01:27:23PM +0100, Greg Kurz wrote: > > > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c > > > index f11422fc41..25e1a3446e 100644 > > > --- a/hw/ppc/spapr.c > > > +++ b/hw/ppc/spapr.c > > > @@ -1597,6

Re: [PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-12 Thread David Gibson
On Thu, Dec 12, 2019 at 08:34:57AM +0100, Cédric Le Goater wrote: > Hello Bharata, > > > On 12/12/2019 06:50, Bharata B Rao wrote: > > A pseries guest can be run as a secure guest on Ultravisor-enabled > > POWER platforms. When such a secure guest is reset, we need to > > release/reset a few reso

Re: [PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-12 Thread Bharata B Rao
On Thu, Dec 12, 2019 at 01:27:23PM +0100, Greg Kurz wrote: > > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c > > index f11422fc41..25e1a3446e 100644 > > --- a/hw/ppc/spapr.c > > +++ b/hw/ppc/spapr.c > > @@ -1597,6 +1597,21 @@ static void spapr_machine_reset(MachineState > > *machine) > > void

Re: [PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-12 Thread Greg Kurz
On Thu, 12 Dec 2019 14:23:43 +0530 Bharata B Rao wrote: > On Thu, Dec 12, 2019 at 08:34:57AM +0100, Cédric Le Goater wrote: > > Hello Bharata, > > > > > > On 12/12/2019 06:50, Bharata B Rao wrote: > > > A pseries guest can be run as a secure guest on Ultravisor-enabled > > > POWER platforms. Wh

Re: [PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-12 Thread Greg Kurz
On Thu, 12 Dec 2019 11:20:59 +0530 Bharata B Rao wrote: > A pseries guest can be run as a secure guest on Ultravisor-enabled > POWER platforms. When such a secure guest is reset, we need to > release/reset a few resources both on ultravisor and hypervisor side. > This is achieved by invoking this

Re: [PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-12 Thread Bharata B Rao
On Thu, Dec 12, 2019 at 08:34:57AM +0100, Cédric Le Goater wrote: > Hello Bharata, > > > On 12/12/2019 06:50, Bharata B Rao wrote: > > A pseries guest can be run as a secure guest on Ultravisor-enabled > > POWER platforms. When such a secure guest is reset, we need to > > release/reset a few reso

Re: [PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-11 Thread Cédric Le Goater
Hello Bharata, On 12/12/2019 06:50, Bharata B Rao wrote: > A pseries guest can be run as a secure guest on Ultravisor-enabled > POWER platforms. When such a secure guest is reset, we need to > release/reset a few resources both on ultravisor and hypervisor side. > This is achieved by invoking thi

[PATCH v2 ppc-for-5.0 2/2] ppc/spapr: Support reboot of secure pseries guest

2019-12-11 Thread Bharata B Rao
A pseries guest can be run as a secure guest on Ultravisor-enabled POWER platforms. When such a secure guest is reset, we need to release/reset a few resources both on ultravisor and hypervisor side. This is achieved by invoking this new ioctl KVM_PPC_SVM_OFF from the machine reset path. As part o