From: Anthony PERARD <anthony.perard@citrix.com>
To: xen-devel@lists.xenproject.org
Cc: Ian Jackson <ian.jackson@eu.citrix.com>, Wei Liu <wei.liu2@citrix.com>
Subject: Re: [RFC v2 8/9] HACK libxl_exec: Check QEMU status via QMP instead of xenstore
Date: Mon, 16 Apr 2018 19:09:48 +0100 [thread overview]
Message-ID: <20180416180948.GK2208@perard> (raw)
In-Reply-To: <20180416173227.22671-9-anthony.perard@citrix.com>
On Mon, Apr 16, 2018 at 06:32:26PM +0100, Anthony PERARD wrote:
> -add-fd, to create a fdset which is use later.
> -chardev 'file,path=/dev/fdset/1,append=true', this open a char device
> on the write-end of the pipe, tell qemu that the FD is write-only, and
> not to run truncate on it.
> -mon, just start the QMP server on this new chardev.
There might be a better way than this. But the new way only exist in
2.12, and is not documented... (in --help).
With QEMU commit 0935700f8544033ebbd41e1f13cd528f8a58d24d (char: allow
passing pre-opened socket file descriptor at startup).
--
Anthony PERARD
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next prev parent reply other threads:[~2018-04-16 18:10 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-16 17:32 [RFC v2 0/9] libxl: Enable save/restore/migration of a restricted QEMU Anthony PERARD
2018-04-16 17:32 ` [RFC v2 1/9] libxl_event: Fix DEBUG prints Anthony PERARD
2018-04-19 8:17 ` Wei Liu
2018-04-19 11:01 ` Anthony PERARD
2018-04-16 17:32 ` [RFC v2 2/9] libxl_qmp: Documentation of the logic of the QMP client Anthony PERARD
2018-04-19 8:19 ` Wei Liu
2018-04-16 17:32 ` [RFC v2 3/9] libxl_qmp: Fix use of DEBUG_RECEIVED Anthony PERARD
2018-04-19 8:22 ` Wei Liu
2018-04-16 17:32 ` [RFC v2 4/9] libxl_qmp: Move the buffer realloc to the same scope level as read Anthony PERARD
2018-04-23 9:03 ` Wei Liu
2018-04-23 14:50 ` Anthony PERARD
2018-04-23 15:01 ` Wei Liu
2018-04-16 17:32 ` [RFC v2 5/9] libxl: Learned to send FD through QMP to QEMU Anthony PERARD
2018-04-23 9:04 ` Wei Liu
2018-04-16 17:32 ` [RFC v2 6/9] libxl: Have QEMU save its state to a file descriptor Anthony PERARD
2018-04-23 9:20 ` Wei Liu
2018-04-23 15:45 ` Anthony PERARD
2018-04-24 9:37 ` Wei Liu
2018-04-24 9:46 ` Wei Liu
2018-04-16 17:32 ` [RFC v2 7/9] libxl_qmp: Implement query-status command Anthony PERARD
2018-04-23 9:24 ` Wei Liu
2018-04-16 17:32 ` [RFC v2 8/9] HACK libxl_exec: Check QEMU status via QMP instead of xenstore Anthony PERARD
2018-04-16 18:09 ` Anthony PERARD [this message]
2018-04-17 9:18 ` Anthony PERARD
2018-04-20 18:37 ` Ian Jackson
2018-04-23 16:54 ` Anthony PERARD
2018-04-23 16:56 ` Ian Jackson
2018-04-16 17:32 ` [RFC v2 9/9] libxl_qmp: Add a warning to not trust QEMU Anthony PERARD
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