bf251437e9
Many changes were necessary this time around:
* QAPI was changed to avoid redundant has_* variables, see commit
44ea9d9be3 ("qapi: Start to elide redundant has_FOO in generated C")
for details. This affected many QMP commands added by Proxmox too.
* Pending querying for migration got split into two functions, one to
estimate, one for exact value, see commit c8df4a7aef ("migration:
Split save_live_pending() into state_pending_*") for details. Relevant
for savevm-async and PBS dirty bitmap.
* Some block (driver) functions got converted to coroutines, so the
Proxmox block drivers needed to be adapted.
* Alloc track auto-detaching during PBS live restore got broken by
AioContext-related changes resulting in a deadlock. The current, hacky
method was replaced by a simpler one. Stefan apparently ran into a
problem with that when he wrote the driver, but there were
improvements in the stream job code since then and I didn't manage to
reproduce the issue. It's a separate patch "alloc-track: fix deadlock
during drop" for now, you can find the details there.
* Async snapshot-related changes:
- The pending querying got adapted to the above-mentioned split and
a patch is added to optimize it/make it more similar to what
upstream code does.
- Added initialization of the compression counters (for
future-proofing).
- It's necessary the hold the BQL (big QEMU lock = iothread mutex)
during the setup phase, because block layer functions are used there
and not doing so leads to racy, hard-to-debug crashes or hangs. It's
necessary to change some upstream code too for this, a version of
the patch "migration: for snapshots, hold the BQL during setup
callbacks" is intended to be upstreamed.
- Need to take the bdrv graph read lock before flushing.
* hmp_info_balloon was moved to a different file.
* Needed to include a new headers from time to time to still get the
correct functions.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
54 lines
1.9 KiB
Diff
54 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Dietmar Maurer <dietmar@proxmox.com>
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Date: Mon, 6 Apr 2020 12:16:44 +0200
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Subject: [PATCH] PVE: qapi: modify query machines
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provide '*is-current' in MachineInfo struct
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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
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---
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hw/core/machine-qmp-cmds.c | 6 ++++++
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qapi/machine.json | 4 +++-
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2 files changed, 9 insertions(+), 1 deletion(-)
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diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
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index b98ff15089..24595f618c 100644
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--- a/hw/core/machine-qmp-cmds.c
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+++ b/hw/core/machine-qmp-cmds.c
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@@ -103,6 +103,12 @@ MachineInfoList *qmp_query_machines(Error **errp)
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info->numa_mem_supported = mc->numa_mem_supported;
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info->deprecated = !!mc->deprecation_reason;
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info->acpi = !!object_class_property_find(OBJECT_CLASS(mc), "acpi");
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+
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+ if (strcmp(mc->name, MACHINE_GET_CLASS(current_machine)->name) == 0) {
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+ info->has_is_current = true;
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+ info->is_current = true;
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+ }
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+
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if (mc->default_cpu_type) {
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info->default_cpu_type = g_strdup(mc->default_cpu_type);
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}
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diff --git a/qapi/machine.json b/qapi/machine.json
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index 15f5f86683..c904280085 100644
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--- a/qapi/machine.json
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+++ b/qapi/machine.json
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@@ -138,6 +138,8 @@
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#
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# @is-default: whether the machine is default
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#
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+# @is-current: whether this machine is currently used
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+#
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# @cpu-max: maximum number of CPUs supported by the machine type
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# (since 1.5)
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#
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@@ -161,7 +163,7 @@
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##
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{ 'struct': 'MachineInfo',
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'data': { 'name': 'str', '*alias': 'str',
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- '*is-default': 'bool', 'cpu-max': 'int',
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+ '*is-default': 'bool', '*is-current': 'bool', 'cpu-max': 'int',
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'hotpluggable-cpus': 'bool', 'numa-mem-supported': 'bool',
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'deprecated': 'bool', '*default-cpu-type': 'str',
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'*default-ram-id': 'str', 'acpi': 'bool' } }
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