Hi, Juan, 
     You are right, this v3 and previous v3 are identical except the link to previous discussion. The previous [patch v3 0/2] was sent failed as shown in my mail, so I resend this patch. Sorry for the ambiguity of resending same patch, and thanks for your time ~

Best Regards
Ling

-----Original Message-----
From: Juan Quintela <quintela@redhat.com> 
Sent: Monday, August 8, 2022 7:54 PM
To: Xu, Ling1 <ling1.xu@intel.com>
Cc: qemu-devel@nongnu.org; dgilbert@redhat.com
Subject: Re: [PATCH v3 0/2] This patch updates runtime check of AVX512

ling xu <ling1.xu@intel.com> wrote:
> This patch updates runtime check of AVX512 and update avx512 support 
> for xbzrle_encode_buffer function to accelerate xbzrle encoding speed.
>
> The runtime check is updated in meson.build and meson_options.txt.
>
> The updated AVX512 algorithm is provided in ram.c, xbzrle.c and 
> xbzrle.h.
>
> The test code is provided in test-xbzrle.c.
>
> Previous discussion is refered below:
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg903520.html
>
> ling xu (2):
>   Update AVX512 support for xbzrle_encode_buffer function
>   Test code for AVX512 support for xbzrle_encode_buffer

I think this v3 and previous v3 are identical except for mthe link to the previous discussion.

Later, Juan.