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Re: [Qemu-ppc] [PATCH v4 0/5] target-ppc/spapr: Add FWNMI support in QEM
From: |
David Gibson |
Subject: |
Re: [Qemu-ppc] [PATCH v4 0/5] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests |
Date: |
Fri, 18 Aug 2017 20:33:18 +1000 |
User-agent: |
Mutt/1.8.3 (2017-05-23) |
On Fri, Aug 18, 2017 at 03:36:44PM +0530, Aravinda Prasad wrote:
> This series of patches adds support for FWNMI in PowerKVM guests.
>
> Memory error such as bit flips 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 exception, if the address in error belongs
> to guest then KVM causes a guest exit with KVM_EXIT_NMI
> exit reason.
>
> This patch series adds functionality to pass on such
> machine check exception to the guest kernel by suitably
> handling KVM_EXIT_NMI exit and building the error log.
>
> The KVM changes are now part of the upstream kernel
> (commit e20bbd3d). This series containe QEMU changes.
>
> Change Log v4:
> - Included the RTAS_DISP_FULLY_RECOVERED scenario in
> patch 4/5.
You don't seem to have addressed any of the other comments from the
last round, however.
>
> Change Log v3:
> - Rebased to v2.10.0-rc0 (git://github.com/dgibson/qemu)
>
> Change Log v2:
> - Added KVM capability
> - Serialized multiple NMIs with a conditional wait
>
> ---
>
> Aravinda Prasad (5):
> ppc: spapr: Register and handle HCALL to receive updated RTAS region
> ppc: spapr: Handle "ibm,nmi-register" and "ibm,nmi-interlock" RTAS calls
> Wrapper function to wait on condition for the main loop mutex
> target/ppc: Handle NMI guest exit
> ppc: spapr: Enable FWNMI capability
>
>
> cpus.c | 5 ++
> hw/ppc/spapr.c | 12 ++++++
> hw/ppc/spapr_hcall.c | 8 ++++
> hw/ppc/spapr_rtas.c | 52 ++++++++++++++++++++++++++
> include/hw/ppc/spapr.h | 14 ++++++-
> include/qemu/main-loop.h | 8 ++++
> target/ppc/kvm.c | 93
> ++++++++++++++++++++++++++++++++++++++++++++++
> target/ppc/kvm_ppc.h | 82 +++++++++++++++++++++++++++++++++++++++++
> 8 files changed, 272 insertions(+), 2 deletions(-)
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- [Qemu-ppc] [PATCH v4 0/5] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests, Aravinda Prasad, 2017/08/18
- [Qemu-ppc] [PATCH v4 1/5] ppc: spapr: Register and handle HCALL to receive updated RTAS region, Aravinda Prasad, 2017/08/18
- [Qemu-ppc] [PATCH v4 2/5] ppc: spapr: Handle "ibm, nmi-register" and "ibm, nmi-interlock" RTAS calls, Aravinda Prasad, 2017/08/18
- [Qemu-ppc] [PATCH v4 3/5] Wrapper function to wait on condition for the main loop mutex, Aravinda Prasad, 2017/08/18
- [Qemu-ppc] [PATCH v4 4/5] target/ppc: Handle NMI guest exit, Aravinda Prasad, 2017/08/18
- [Qemu-ppc] [PATCH v4 5/5] ppc: spapr: Enable FWNMI capability, Aravinda Prasad, 2017/08/18
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v4 0/5] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests, no-reply, 2017/08/18
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v4 0/5] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests, no-reply, 2017/08/18
- Re: [Qemu-ppc] [PATCH v4 0/5] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests,
David Gibson <=