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From: | zhanghailiang |
Subject: | Re: [Qemu-devel] [PATCH v4 16/47] Return path: Source handling of return path |
Date: | Thu, 16 Oct 2014 17:09:30 +0800 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 |
On 2014/10/16 16:35, Dr. David Alan Gilbert wrote:
* zhanghailiang (address@hidden) wrote:+ case MIG_RPCOMM_ACK: + tmp32 = be32_to_cpup((uint32_t *)buf); + DPRINTF("RP: Received ACK 0x%x", tmp32); + atomic_xchg(&ms->rp_state.latest_ack, tmp32);I didn't see *ms->rp_state.latest_ack* been used elsewhere, what's it used for?;)Nothing currently; I've used the REQ/ACK as debug at the moment; I was thinking that someone might want to wait on an ack being received before carrying on; but hadn't actually needed it in postcopy.
OK, i see, Thanks.
Dave -- Dr. David Alan Gilbert / address@hidden / Manchester, UK .
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