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Re: [Qemu-devel] [PATCH v4 16/47] Return path: Source handling of return
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH v4 16/47] Return path: Source handling of return path |
Date: |
Thu, 16 Oct 2014 09:35:02 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
* 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.
Dave
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- [Qemu-devel] [PATCH v4 09/47] Provide runtime Target page information, (continued)
- [Qemu-devel] [PATCH v4 09/47] Provide runtime Target page information, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 10/47] Return path: Open a return path on QEMUFile for sockets, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 12/47] Handle bi-directional communication for fd migration, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 11/47] Return path: socket_writev_buffer: Block even on non-blocking fd's, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 13/47] Migration commands, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 14/47] Return path: Control commands, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 16/47] Return path: Source handling of return path, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 15/47] Return path: Send responses from destination to source, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 17/47] qemu_loadvm errors and debug, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 18/47] ram_debug_dump_bitmap: Dump a migration bitmap as text, Dr. David Alan Gilbert (git), 2014/10/03
- [Qemu-devel] [PATCH v4 19/47] Rework loadvm path for subloops, Dr. David Alan Gilbert (git), 2014/10/03
[Qemu-devel] [PATCH v4 20/47] Add migration-capability boolean for postcopy-ram., Dr. David Alan Gilbert (git), 2014/10/03