ACK/cmnt: [Bionic][PATCH 00/12] Enable NVLink2 devices on guests

[joserz at linux.ibm.com]

Hello Kleber,

On Fri, Mar 29, 2019 at 06:03:17PM +0100, Kleber Souza wrote:
> On 3/14/19 6:56 PM, Jose Ricardo Ziviani wrote:
> > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1819989
> > Based on master-next (currently UBUNTU: Ubuntu-4.15.0-47.50)
> > 
> > This patchset enables QEMU/KVM guests to use passed through NVLink2 devices.
> > 
> > The host side runs a custom version of Ubuntu Bionic (kernel/QEMU) but it is very important for clients to use the image that they get from Canonical's website. To accomplish that we've worked on a small patchset to cover only the guest side - avoiding changes beyond that. All patches are upstream.
> 
> Hi Ziviani,
> 
> Could you please add an SRU request template to the bug report, as described
> in [1]? We are interested mainly on the regression potential of these changes
> and how they can be tested.

Sure thing, I'm currently doing it.

> 
> Another thing to notice is that the format of the URL for the BugLink would be:
> 
> https://bugs.launchpad.net/bugs/<bug number>

Off course. I'll keep it in mind for the next time.


Thank you, Khaled, and Kamal for reviewing it.

Jose R. Ziviani

> 
> But we can fix that when applying.
> 
> 
> Thanks!
> 
> 
> Acked-by: Kleber Sacilotto de Souza <kleber.souza at canonical.com>
> 
> 
> [1] https://wiki.ubuntu.com/StableReleaseUpdates#SRU_Bug_Template
> 
> > 
> > Thank you very much,
> > 
> > Jose R. Ziviani
> > 
> > Alexey Kardashevskiy (9):
> >   powerpc/powernv/npu: Do not try invalidating 32bit table when 64bit
> >     table is enabled
> >   powerpc/powernv/idoa: Remove unnecessary pcidev from pci_dn
> >   powerpc/powernv: Move npu struct from pnv_phb to pci_controller
> >   powerpc/powernv/npu: Move OPAL calls away from context manipulation
> >   powerpc/pseries/iommu: Use memory@ nodes in max RAM address
> >     calculation
> >   powerpc/pseries/npu: Enable platform support
> >   powerpc/pseries: Remove IOMMU API support for non-LPAR systems
> >   powerpc/powernv/npu: Check mmio_atsd array bounds when populating
> >   powerpc/powernv/npu: Fault user page into the hypervisor's pagetable
> > 
> > Haren Myneni (1):
> >   powerpc/powernv: Export opal_check_token symbol
> > 
> > Nicholas Piggin (1):
> >   powerpc/powernv: call OPAL_QUIESCE before OPAL_SIGNAL_SYSTEM_RESET
> > 
> > Vaibhav Jain (1):
> >   powerpc/powernv: Make possible for user to force a full ipl cec reboot
> > 
> >  arch/powerpc/include/asm/opal-api.h           |   8 +
> >  arch/powerpc/include/asm/opal.h               |   1 +
> >  arch/powerpc/include/asm/pci-bridge.h         |   3 +-
> >  arch/powerpc/include/asm/pci.h                |   3 +
> >  arch/powerpc/platforms/powernv/npu-dma.c      | 198 +++++++++++-------
> >  .../powerpc/platforms/powernv/opal-wrappers.S |   1 +
> >  arch/powerpc/platforms/powernv/opal.c         |   1 +
> >  arch/powerpc/platforms/powernv/pci-ioda.c     |  45 +++-
> >  arch/powerpc/platforms/powernv/pci.h          |  19 +-
> >  arch/powerpc/platforms/powernv/setup.c        |  36 +++-
> >  arch/powerpc/platforms/powernv/smp.c          |  17 +-
> >  arch/powerpc/platforms/pseries/iommu.c        |  42 +++-
> >  arch/powerpc/platforms/pseries/pci.c          |  23 ++
> >  13 files changed, 282 insertions(+), 115 deletions(-)
> > 
> 
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