From: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>
To: xen-devel@lists.xenproject.org
Cc: "Anthony PERARD" <anthony.perard@citrix.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>,
"Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>,
"Wei Liu" <wl@xen.org>
Subject: [Xen-devel] [PATCH v4 14/16] libxl: require qemu in dom0 even if stubdomain is in use
Date: Wed, 15 Jan 2020 03:39:53 +0100 [thread overview]
Message-ID: <6e78421d673d3efc6b0f31b333c40b308632876e.1579055705.git-series.marmarek@invisiblethingslab.com> (raw)
In-Reply-To: <cover.f819645cd9f5cf7a6f692f9661cfb4e670a2cd08.1579055705.git-series.marmarek@invisiblethingslab.com>
Until xenconsoled learns how to handle multiple consoles, this is needed
for save/restore support (qemu state is transferred over secondary
consoles).
Additionally, Linux-based stubdomain waits for all the backends to
initialize during boot. Lack of some console backends results in
stubdomain startup timeout.
This is a temporary patch until xenconsoled will be improved.
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
---
tools/libxl/libxl_dm.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 23ac7e4..43af31b 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -2464,7 +2464,11 @@ static void spawn_stub_launch_dm(libxl__egc *egc,
}
}
- need_qemu = libxl__need_xenpv_qemu(gc, dm_config);
+ /*
+ * Until xenconsoled learns how to handle multiple consoles, require qemu
+ * in dom0 to serve consoles for a stubdomain - it require at least 3 of them.
+ */
+ need_qemu = 1 || libxl__need_xenpv_qemu(gc, &sdss->dm_config);
for (i = 0; i < num_console; i++) {
libxl__device device;
@@ -2596,7 +2600,11 @@ static void qmp_proxy_spawn_outcome(libxl__egc *egc,
int rc)
{
STATE_AO_GC(sdss->qmp_proxy_spawn.ao);
- int need_pvqemu = libxl__need_xenpv_qemu(gc, &sdss->dm_config);
+ /*
+ * Until xenconsoled learns how to handle multiple consoles, require qemu
+ * in dom0 to serve consoles for a stubdomain - it require at least 3 of them.
+ */
+ int need_pvqemu = 1 || libxl__need_xenpv_qemu(gc, &sdss->dm_config);
if (rc) goto out;
--
git-series 0.9.1
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next prev parent reply other threads:[~2020-01-15 2:41 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-15 2:39 [Xen-devel] [PATCH v4 00/16] Add support for qemu-xen runnning in a Linux-based stubdomain Marek Marczykowski-Górecki
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 01/16] Document ioemu MiniOS stubdomain protocol Marek Marczykowski-Górecki
2020-01-20 18:30 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 02/16] Document ioemu Linux " Marek Marczykowski-Górecki
2020-01-20 18:54 ` Jason Andryuk
2020-01-21 21:08 ` Marek Marczykowski-Górecki
2020-01-22 14:04 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 03/16] libxl: fix qemu-trad cmdline for no sdl/vnc case Marek Marczykowski-Górecki
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 04/16] libxl: Allow running qemu-xen in stubdomain Marek Marczykowski-Górecki
2020-01-20 18:56 ` Jason Andryuk
2020-01-21 21:12 ` Marek Marczykowski-Górecki
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 05/16] libxl: Handle Linux stubdomain specific QEMU options Marek Marczykowski-Górecki
2020-01-20 19:24 ` Jason Andryuk
2020-01-21 21:18 ` Marek Marczykowski-Górecki
2020-01-22 14:25 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 06/16] libxl: write qemu arguments into separate xenstore keys Marek Marczykowski-Górecki
2020-01-20 19:36 ` Jason Andryuk
2020-01-21 21:19 ` Marek Marczykowski-Górecki
2020-01-22 14:39 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 07/16] xl: add stubdomain related options to xl config parser Marek Marczykowski-Górecki
2020-01-20 19:41 ` Jason Andryuk
2020-01-21 21:22 ` Marek Marczykowski-Górecki
2020-01-22 14:39 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 08/16] tools/libvchan: notify server when client is connected Marek Marczykowski-Górecki
2020-01-20 19:44 ` Jason Andryuk
2020-01-21 21:28 ` Marek Marczykowski-Górecki
2020-01-22 14:43 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 09/16] libxl: add save/restore support for qemu-xen in stubdomain Marek Marczykowski-Górecki
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 10/16] tools: add missing libxenvchan cflags Marek Marczykowski-Górecki
2020-01-20 19:58 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 11/16] tools: add simple vchan-socket-proxy Marek Marczykowski-Górecki
2020-01-15 11:02 ` Jan Beulich
2020-01-16 17:11 ` Marek Marczykowski-Górecki
2020-01-17 8:13 ` Jan Beulich
2020-01-17 18:44 ` Rich Persaud
2020-01-17 18:56 ` Marek Marczykowski-Górecki
2020-01-21 19:43 ` Jason Andryuk
2020-01-21 23:09 ` Marek Marczykowski-Górecki
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 12/16] libxl: use vchan for QMP access with Linux stubdomain Marek Marczykowski-Górecki
2020-01-21 20:17 ` Jason Andryuk
2020-01-21 23:46 ` Marek Marczykowski-Górecki
2020-01-24 14:05 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 13/16] Regenerate autotools files Marek Marczykowski-Górecki
2020-01-15 21:57 ` Rich Persaud
2020-01-21 20:56 ` Marek Marczykowski-Górecki
2020-01-21 21:28 ` Rich Persaud
2020-01-22 8:57 ` Lars Kurth
2020-01-15 2:39 ` Marek Marczykowski-Górecki [this message]
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 15/16] libxl: ignore emulated IDE disks beyond the first 4 Marek Marczykowski-Górecki
2020-01-21 20:24 ` Jason Andryuk
2020-01-15 2:39 ` [Xen-devel] [PATCH v4 16/16] libxl: consider also qemu in stubdomain in libxl__dm_active check Marek Marczykowski-Górecki
2020-01-21 20:25 ` Jason Andryuk
2020-01-22 16:50 ` [Xen-devel] [PATCH v4 00/16] Add support for qemu-xen runnning in a Linux-based stubdomain Jason Andryuk
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