On Thu, 29 Aug 2019 16:08:53 +0530
Aravinda Prasad wrote:
>
>
> On Thursday 29 August 2019 03:51 PM, Greg Kurz wrote:
> > On Wed, 14 Aug 2019 11:40:50 +0530
> > Aravinda Prasad wrote:
> >
> >> This patch set adds support for FWNMI in PowerKVM guests.
> >>
> >> System errors such as SLB multihit and memory errors
> >> that cannot be corrected by hardware is passed on to
> >> the kernel for handling by raising machine check
> >> exception (an NMI). Upon such machine check exceptions,
> >> if the address in error belongs to guest then KVM
> >> invokes guests' 0x200 interrupt vector if the guest
> >> is not FWNMI capable. For FWNMI capable guest
> >> KVM passes the control to QEMU by exiting the guest.
> >>
> >> This patch series adds functionality to QEMU to pass
> >> on such machine check exceptions to the FWNMI capable
> >> guest kernel by building an error log and invoking
> >> the guest registered machine check handling routine.
> >>
> >> The KVM changes are now part of the upstream kernel
> >> (commit e20bbd3d). This series contain QEMU changes.
> >>
> >> Change Log v11:
> >> - Moved FWNMI SPAPR cap defaults to 4.2 class option
> >> - Fixed issues with handling fwnmi KVM capability
> >>
> >
> > Hi Aravinda,
> >
> > I'm afraid this series needs rebasing. It doesn't apply
> > cleanly on current ppc-for-4.2 (SHA1 b1e8156743).
>
> This was based on the latest 4.2 at the time of posting (14th Aug).
I was on vacation at that time but you're probably right.
> Meanwhile may be due to changes to 4.2 it is not applying cleanly. I
> will rebase it to the latest 4.2 and post it again.
>
Thanks !
> Regards,
> Aravinda
>
> >
> > Cheers,
> >
> > --
> > Greg
> >
> >> Change Log v10:
> >> - Reshuffled the patch sequence + minor fixes
> >>
> >> Change Log v9:
> >> - Fixed kvm cap and spapr cap issues
> >>
> >> Change Log v8:
> >> - Added functionality to check FWNMI capability during
> >> VM migration
> >> ---
> >>
> >> Aravinda Prasad (6):
> >> Wrapper function to wait on condition for the main loop mutex
> >> ppc: spapr: Introduce FWNMI capability
> >> target/ppc: Handle NMI guest exit
> >> target/ppc: Build rtas error log upon an MCE
> >> ppc: spapr: Handle "ibm,nmi-register" and "ibm,nmi-interlock" RTAS
> >> calls
> >> migration: Include migration support for machine check handling
> >>
> >>
> >> cpus.c |5 +
> >> hw/ppc/spapr.c | 78 +
> >> hw/ppc/spapr_caps.c | 29 +
> >> hw/ppc/spapr_events.c| 268
> >> ++
> >> hw/ppc/spapr_rtas.c | 78 +
> >> include/hw/ppc/spapr.h | 25
> >> include/qemu/main-loop.h |8 +
> >> target/ppc/cpu.h |1
> >> target/ppc/kvm.c | 38 +++
> >> target/ppc/kvm_ppc.h | 13 ++
> >> target/ppc/trace-events |1
> >> 11 files changed, 542 insertions(+), 2 deletions(-)
> >>
> >> --
> >> Signature
> >
> >
>
