On Thu, May 11, 2017 at 04:42:00PM +0200, Paolo Bonzini wrote:
> This module provides fast paths for 64-bit atomic operations on machines
> that only have 32-bit atomic access.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>         v1->v2: use CONFIG_ATOMIC64 [Paolo]
>                 fix compilation on 32-bit machines [patchew]
>                 simplify "fast" version of stat64_min/stat64_max [Paolo]
>                 fix typo [Roman]
>                 use cpu_relax [Fam]
> 
>  include/qemu/stats64.h | 193 +++++++++++++++++++++++++++++++++++++++++++++++++
>  util/Makefile.objs     |   1 +
>  util/stats64.c         | 136 ++++++++++++++++++++++++++++++++++
>  3 files changed, 330 insertions(+)
>  create mode 100644 include/qemu/stats64.h
>  create mode 100644 util/stats64.c

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>