Hi Richard, Migration fails on arm64 with these patches. On the destination VM, follow errors are appearing.
qemu-system-aarch64: VQ 0 size 0x400 Guest index 0x0 inconsistent with Host index 0x1937: delta 0xe6c9 qemu-system-aarch64: error while loading state for instance 0x0 of device 'virtio-mmio@000000000a003e00/virtio-net' qemu-system-aarch64: load of migration failed: Operation not permitted qemu-system-aarch64: network script /etc/qemu-ifdown failed with status 256 Regards Vijay On Wed, Aug 24, 2016 at 9:47 AM, Richard Henderson <r...@twiddle.net> wrote: > Patches 1-3 remove the use of ifunc from the implementation. > > Patch 5 adjusts the x86 implementation a bit more to take > advantage of ptest (in sse4.1) and unaligned accesses (in avx1). > > Patches 2 and 6 are the result of my conversation with Vijaya > Kumar with respect to ThunderX. > > Patch 7 is the result of seeing some really really horrible code > produced for ppc64le (gcc 4.9 and mainline). > > This has had limited testing. What I don't know is the best way > to benchmark this -- the only way I know to trigger this is via > the console, by hand, which doesn't make for reasonable timing. > > > r~ > > > Richard Henderson (7): > cutils: Remove SPLAT macro > cutils: Export only buffer_is_zero > cutils: Rearrange buffer_is_zero acceleration > cutils: Add generic prefetch > cutils: Rewrite x86 buffer zero checking > cutils: Rewrite aarch64 buffer zero checking > cutils: Rewrite ppc buffer zero checking > > configure | 21 +- > include/qemu/cutils.h | 2 - > migration/ram.c | 2 +- > migration/rdma.c | 5 +- > util/cutils.c | 526 > +++++++++++++++++++++++++++++++++----------------- > 5 files changed, 352 insertions(+), 204 deletions(-) > > -- > 2.7.4 >
