Re: [Qemu-devel] [PATCH 5/7 V11] mem/nvdimm: ensure write persistence to PMEM in label emulation

[Richard Henderson]

On 07/18/2018 12:48 AM, address@hidden wrote:
> From: Junyan He <address@hidden>
> 
> Guest writes to vNVDIMM labels are intercepted and performed on the
> backend by QEMU. When the backend is a real persistent memort, QEMU
> needs to take proper operations to ensure its write persistence on the
> persistent memory. Otherwise, a host power failure may result in the
> loss of guest label configurations.
> 
> Signed-off-by: Haozhong Zhang <address@hidden>
> Reviewed-by: Stefan Hajnoczi <address@hidden>
> Reviewed-by: Igor Mammedov <address@hidden>
> ---
>  hw/mem/nvdimm.c     |  9 ++++++++-
>  include/qemu/pmem.h | 30 ++++++++++++++++++++++++++++++
>  2 files changed, 38 insertions(+), 1 deletion(-)
>  create mode 100644 include/qemu/pmem.h

Reviewed-by: Richard Henderson <address@hidden>


r~