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Re: [Qemu-ppc] [PATCH qemu 0/3] spapr/iommu: Enable in-kernel TCE accele
From: |
Alex Williamson |
Subject: |
Re: [Qemu-ppc] [PATCH qemu 0/3] spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device |
Date: |
Tue, 16 Jan 2018 13:46:14 -0700 |
On Mon, 15 Jan 2018 15:12:07 +1100
Alexey Kardashevskiy <address@hidden> wrote:
> On 03/01/18 04:51, Paolo Bonzini wrote:
> > On 02/01/2018 06:28, Alexey Kardashevskiy wrote:
> >> This is my current queue of the in-kernel TCE acceleration
> >> enablement.
> >>
> >> Changes since
> >> https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg01918.html :
> >> * 3 patches instead of one, one per maintainership area;
> >> * added memory_region_iommu_get_attr();
> >> * removed set_attr() as there is no use for it now;
> >> * folded the chunk in vfio_listener_region_add() under
> >> VFIO_SPAPR_TCE_v2_IOMMU branch as the acceleration is only
> >> enabled when DMA memory is preregistered and this is only supported
> >> by the v2 IOMMU.
> >>
> >> This is based on sha1
> >> ad59cde Cédric Le Goater "target/ppc: more use of the PPC_*() macros".
> >>
> >> Please comment. Thanks.
> >>
> >>
> >>
> >> Alexey Kardashevskiy (3):
> >> memory/iommu: Add get_attr()
> >> vfio/spapr: Use iommu memory region's get_attr()
> >> spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device
> >>
> >> include/exec/memory.h | 22 ++++++++++++++++++++++
> >> target/ppc/kvm_ppc.h | 6 ++++++
> >> hw/ppc/spapr_iommu.c | 19 +++++++++++++++++++
> >> hw/vfio/common.c | 26 ++++++++++++++++++++++++++
> >> memory.c | 13 +++++++++++++
> >> target/ppc/kvm.c | 7 ++++++-
> >> hw/vfio/trace-events | 1 +
> >> 7 files changed, 93 insertions(+), 1 deletion(-)
> >>
> >
> > Alex, if this is okay for you, please pick it up yourself.
>
> Alex, ping?
Yeah, I'll pick these up. Paolo, do you want to throw an explicit Ack
for the first patch? David, R-b/A-b? Thanks,
Alex
- [Qemu-ppc] [PATCH qemu 0/3] spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device, Alexey Kardashevskiy, 2018/01/02
- [Qemu-ppc] [PATCH qemu 1/3] memory/iommu: Add get_attr(), Alexey Kardashevskiy, 2018/01/02
- [Qemu-ppc] [PATCH qemu 2/3] vfio/spapr: Use iommu memory region's get_attr(), Alexey Kardashevskiy, 2018/01/02
- [Qemu-ppc] [PATCH qemu 3/3] spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device, Alexey Kardashevskiy, 2018/01/02
- Re: [Qemu-ppc] [Qemu-devel] [PATCH qemu 0/3] spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device, no-reply, 2018/01/02
- Re: [Qemu-ppc] [PATCH qemu 0/3] spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device, Paolo Bonzini, 2018/01/02