Ping - Paolo, could you help have a look? Thanks!
On Tue, Sep 17, 2024 at 12:38:31PM -0400, Peter Xu wrote:
> v4:
> - Remove restriction on kvm reports smaller than the default alloc size
> (KVM_MEMSLOTS_NR_ALLOC_DEFAULT) [Fabiano]
>
> v1: https://lore.kernel.org/r/20240904191635.3045606-1-peterx@redhat.com
> v2: https://lore.kernel.org/r/20240904223510.3519358-1-peterx@redhat.com
> v3: https://lore.kernel.org/r/20240909145413.3748429-1-peterx@redhat.com
>
> This series make KVM memslots to be allocated dynamically in QEMU. It
> fixes a migration performance regression that I observed, reducing precopy
> dirty sync process from ~86ms to ~3ms each time.
>
> Patch 1 is the fix to the problem, while the rest three patches are
> cleanups.
>
> Thanks,
>
> Peter Xu (4):
> KVM: Dynamic sized kvm memslots array
> KVM: Define KVM_MEMSLOTS_NUM_MAX_DEFAULT
> KVM: Rename KVMMemoryListener.nr_used_slots to nr_slots_used
> KVM: Rename KVMState->nr_slots to nr_slots_max
>
> include/sysemu/kvm_int.h | 7 +--
> accel/kvm/kvm-all.c | 105 ++++++++++++++++++++++++++++++---------
> accel/kvm/trace-events | 1 +
> 3 files changed, 87 insertions(+), 26 deletions(-)
>
> --
> 2.45.0
>
--
Peter Xu