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From: Wei Yang <richard.weiyang@gmail.com>
To: Juan Quintela <quintela@redhat.com>
Cc: qemu-devel@nongnu.org, Wei Yang <richardw.yang@linux.intel.com>,
	dgilbert@redhat.com
Subject: Re: [PATCH 3/4] migration/multifd: initialize packet->magic/version once at setup stage
Date: Fri, 11 Oct 2019 12:17:24 +0000	[thread overview]
Message-ID: <20191011121724.fsogllmlvyqlqnfc@master> (raw)
In-Reply-To: <87d0f3wpkv.fsf@trasno.org>

On Fri, Oct 11, 2019 at 12:20:48PM +0200, Juan Quintela wrote:
>Wei Yang <richardw.yang@linux.intel.com> wrote:
>> MultiFDPacket_t's magic and version field never changes during
>> migration, so move these two fields in setup stage.
>>
>> Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
>
>Reviewed-by: Juan Quintela <quintela@redhat.com>
>
>It don't really matter, and is faster your way O:-)

You are right.

And I am wondering one more thing. Why we need to carry magic/version for each
packet? Would it be better to just carry and check magic/version for the
initial packet only?

-- 
Wei Yang
Help you, Help me


  reply	other threads:[~2019-10-11 12:19 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-11  8:50 [PATCH 0/4] migration/multifd: trivial cleanup for multifd Wei Yang
2019-10-11  8:50 ` [PATCH 1/4] migration/multifd: fix a typo in comment of multifd_recv_unfill_packet() Wei Yang
2019-10-11  9:44   ` Juan Quintela
2019-10-11  8:50 ` [PATCH 2/4] migration/multifd: use pages->allocated instead of the static max Wei Yang
2019-10-11 10:31   ` Juan Quintela
2019-10-11  8:50 ` [PATCH 3/4] migration/multifd: initialize packet->magic/version once at setup stage Wei Yang
2019-10-11 10:20   ` Juan Quintela
2019-10-11 12:17     ` Wei Yang [this message]
2019-10-11  8:50 ` [PATCH 4/4] migration/multifd: pages->used would be cleared when attach to multifd_send_state Wei Yang
2019-10-11 10:24   ` Juan Quintela
2019-10-11 14:02 ` [PATCH 0/4] migration/multifd: trivial cleanup for multifd Dr. David Alan Gilbert

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