On Thu, 29 Aug 2019 16:08:53 +0530 Aravinda Prasad <aravi...@linux.vnet.ibm.com> wrote:
> > > On Thursday 29 August 2019 03:51 PM, Greg Kurz wrote: > > On Wed, 14 Aug 2019 11:40:50 +0530 > > Aravinda Prasad <aravi...@linux.vnet.ibm.com> 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 > > > > >
