From: David Hildenbrand <david@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Marcel Apfelbaum" <mapfelba@redhat.com>,
"Murilo Opsfelder Araujo" <muriloo@linux.ibm.com>,
"Igor Kotrasinski" <i.kotrasinsk@partner.samsung.com>,
"Eduardo Habkost" <ehabkost@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"David Hildenbrand" <david@redhat.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
"Peter Xu" <peterx@redhat.com>, "Greg Kurz" <groug@kaod.org>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Igor Mammedov" <imammedo@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Markus Armbruster" <armbru@redhat.com>
Subject: [PATCH v4 13/14] qmp: Include "reserve" property of memory backends
Date: Fri, 19 Mar 2021 11:12:29 +0100 [thread overview]
Message-ID: <20210319101230.21531-14-david@redhat.com> (raw)
In-Reply-To: <20210319101230.21531-1-david@redhat.com>
Let's include the new property.
Cc: Eric Blake <eblake@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
hw/core/machine-qmp-cmds.c | 1 +
qapi/machine.json | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
index 68a942595a..bd2a7f2dd0 100644
--- a/hw/core/machine-qmp-cmds.c
+++ b/hw/core/machine-qmp-cmds.c
@@ -174,6 +174,7 @@ static int query_memdev(Object *obj, void *opaque)
m->merge = object_property_get_bool(obj, "merge", &error_abort);
m->dump = object_property_get_bool(obj, "dump", &error_abort);
m->prealloc = object_property_get_bool(obj, "prealloc", &error_abort);
+ m->reserve = object_property_get_bool(obj, "reserve", &error_abort);
m->policy = object_property_get_enum(obj, "policy", "HostMemPolicy",
&error_abort);
host_nodes = object_property_get_qobject(obj,
diff --git a/qapi/machine.json b/qapi/machine.json
index c0c52aef10..12860a1f79 100644
--- a/qapi/machine.json
+++ b/qapi/machine.json
@@ -814,6 +814,11 @@
#
# @prealloc: enables or disables memory preallocation
#
+# @reserve: enables or disables reservation of swap space (or huge pages
+# if applicable). If reservation is enabled (default), actual
+# reservation depends on underlying OS support. In contrast,
+# disabling reservation without OS support will bail out. (since 6.1)
+#
# @host-nodes: host nodes for its memory policy
#
# @policy: memory policy of memory backend
@@ -827,6 +832,7 @@
'merge': 'bool',
'dump': 'bool',
'prealloc': 'bool',
+ 'reserve': 'bool',
'host-nodes': ['uint16'],
'policy': 'HostMemPolicy' }}
--
2.29.2
next prev parent reply other threads:[~2021-03-19 10:20 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 10:12 [PATCH v4 00/14] RAM_NORESERVE, MAP_NORESERVE and hostmem "reserve" property David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 01/14] softmmu/physmem: Mark shared anonymous memory RAM_SHARED David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 02/14] softmmu/physmem: Fix ram_block_discard_range() to handle shared anonymous memory David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 03/14] softmmu/physmem: Fix qemu_ram_remap() " David Hildenbrand
2021-03-23 20:40 ` Peter Xu
2021-03-19 10:12 ` [PATCH v4 04/14] util/mmap-alloc: Factor out calculation of the pagesize for the guard page David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 05/14] util/mmap-alloc: Factor out reserving of a memory region to mmap_reserve() David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 06/14] util/mmap-alloc: Factor out activating of memory to mmap_activate() David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 07/14] softmmu/memory: Pass ram_flags to qemu_ram_alloc_from_fd() David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 08/14] softmmu/memory: Pass ram_flags to memory_region_init_ram_shared_nomigrate() David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 09/14] util/mmap-alloc: Pass flags instead of separate bools to qemu_ram_mmap() David Hildenbrand
2021-03-23 20:49 ` Peter Xu
2021-03-25 9:40 ` David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 10/14] memory: Introduce RAM_NORESERVE and wire it up in qemu_ram_mmap() David Hildenbrand
2021-03-23 20:51 ` Peter Xu
2021-03-19 10:12 ` [PATCH v4 11/14] util/mmap-alloc: Support RAM_NORESERVE via MAP_NORESERVE under Linux David Hildenbrand
2021-03-23 20:56 ` Peter Xu
2021-03-19 10:12 ` [PATCH v4 12/14] hostmem: Wire up RAM_NORESERVE via "reserve" property David Hildenbrand
2021-03-19 10:12 ` David Hildenbrand [this message]
2021-03-19 15:40 ` [PATCH v4 13/14] qmp: Include "reserve" property of memory backends Markus Armbruster
2021-03-19 15:49 ` David Hildenbrand
2021-03-19 16:32 ` Markus Armbruster
2021-03-19 16:40 ` David Hildenbrand
2021-03-19 10:12 ` [PATCH v4 14/14] hmp: Print "reserve" property of memory backends with "info memdev" David Hildenbrand
2021-03-25 19:00 ` Dr. David Alan Gilbert
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