From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Eduardo Habkost" <ehabkost@redhat.com>,
"David Hildenbrand" <david@redhat.com>,
"Eric Blake" <eblake@redhat.com>,
"Markus Armbruster" <armbru@redhat.com>,
"Igor Mammedov" <imammedo@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: [PULL 29/33] qmp: Include "share" property of memory backends
Date: Tue, 15 Jun 2021 15:38:51 +0200 [thread overview]
Message-ID: <20210615133855.775687-30-pbonzini@redhat.com> (raw)
In-Reply-To: <20210615133855.775687-1-pbonzini@redhat.com>
From: David Hildenbrand <david@redhat.com>
Let's include the property, which can be helpful when debugging,
for example, to spot misuse of MAP_PRIVATE which can result in some ugly
corner cases (e.g., double-memory consumption on shmem).
Use the same description we also use for describing the property.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com> for memory backend and machine core
Cc: Eric Blake <eblake@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210510114328.21835-13-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/core/machine-qmp-cmds.c | 1 +
qapi/machine.json | 3 +++
2 files changed, 4 insertions(+)
diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
index a36c96608f..a36ceaf4f3 100644
--- a/hw/core/machine-qmp-cmds.c
+++ b/hw/core/machine-qmp-cmds.c
@@ -172,6 +172,7 @@ 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->share = object_property_get_bool(obj, "share", &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 eb14364819..1395742a4a 100644
--- a/qapi/machine.json
+++ b/qapi/machine.json
@@ -796,6 +796,8 @@
#
# @prealloc: whether memory was preallocated
#
+# @share: whether memory is private to QEMU or shared (since 6.1)
+#
# @host-nodes: host nodes for its memory policy
#
# @policy: memory policy of memory backend
@@ -809,6 +811,7 @@
'merge': 'bool',
'dump': 'bool',
'prealloc': 'bool',
+ 'share': 'bool',
'host-nodes': ['uint16'],
'policy': 'HostMemPolicy' }}
--
2.31.1
next prev parent reply other threads:[~2021-06-15 14:12 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-15 13:38 [PULL 00/33] Misc patches for 2021-06-15 Paolo Bonzini
2021-06-15 13:38 ` [PULL 01/33] vnc: avoid deprecation warnings for SASL on OS X Paolo Bonzini
2021-06-15 13:38 ` [PULL 02/33] vl: Fix an assert failure in error path Paolo Bonzini
2021-06-15 13:38 ` [PULL 03/33] qemu-config: use qemu_opts_from_qdict Paolo Bonzini
2021-06-15 13:38 ` [PULL 04/33] block/scsi: correctly emulate the VPD block limits page Paolo Bonzini
2021-06-15 13:38 ` [PULL 05/33] runstate: Initialize Error * to NULL Paolo Bonzini
2021-06-15 13:38 ` [PULL 06/33] esp: only assert INTR_DC interrupt flag if selection fails Paolo Bonzini
2021-06-15 13:38 ` [PULL 07/33] esp: only set ESP_RSEQ at the start of the select sequence Paolo Bonzini
2021-06-15 13:38 ` [PULL 08/33] esp: allow non-DMA callback in esp_transfer_data() initial transfer Paolo Bonzini
2021-06-15 13:38 ` [PULL 09/33] esp: handle non-DMA transfers from the target one byte at a time Paolo Bonzini
2021-06-15 13:38 ` [PULL 10/33] esp: ensure PDMA write transfers are flushed from the FIFO to the target immediately Paolo Bonzini
2021-06-15 13:38 ` [PULL 11/33] esp: revert 75ef849696 "esp: correctly fill bus id with requested lun" Paolo Bonzini
2021-06-15 13:38 ` [PULL 12/33] esp: correctly accumulate extended messages for PDMA Paolo Bonzini
2021-06-15 13:38 ` [PULL 13/33] esp: fix migration version check in esp_is_version_5() Paolo Bonzini
2021-06-15 13:38 ` [PULL 14/33] esp: store lun coming from the MESSAGE OUT phase Paolo Bonzini
2021-06-15 13:38 ` [PULL 15/33] softmmu/physmem: Mark shared anonymous memory RAM_SHARED Paolo Bonzini
2021-06-15 13:38 ` [PULL 16/33] softmmu/physmem: Fix ram_block_discard_range() to handle shared anonymous memory Paolo Bonzini
2021-06-15 13:38 ` [PULL 17/33] softmmu/physmem: Fix qemu_ram_remap() " Paolo Bonzini
2021-06-15 13:38 ` [PULL 18/33] util/mmap-alloc: Factor out calculation of the pagesize for the guard page Paolo Bonzini
2021-06-15 13:38 ` [PULL 19/33] util/mmap-alloc: Factor out reserving of a memory region to mmap_reserve() Paolo Bonzini
2021-06-15 13:38 ` [PULL 20/33] util/mmap-alloc: Factor out activating of memory to mmap_activate() Paolo Bonzini
2021-06-15 13:38 ` [PULL 21/33] softmmu/memory: Pass ram_flags to qemu_ram_alloc_from_fd() Paolo Bonzini
2021-06-15 13:38 ` [PULL 22/33] softmmu/memory: Pass ram_flags to memory_region_init_ram_shared_nomigrate() Paolo Bonzini
2021-06-15 13:38 ` [PULL 23/33] softmmu/memory: Pass ram_flags to qemu_ram_alloc() and qemu_ram_alloc_internal() Paolo Bonzini
2021-06-15 13:38 ` [PULL 24/33] util/mmap-alloc: Pass flags instead of separate bools to qemu_ram_mmap() Paolo Bonzini
2021-06-15 13:38 ` [PULL 25/33] memory: Introduce RAM_NORESERVE and wire it up in qemu_ram_mmap() Paolo Bonzini
2021-06-15 13:38 ` [PULL 26/33] util/mmap-alloc: Support RAM_NORESERVE via MAP_NORESERVE under Linux Paolo Bonzini
2021-06-15 13:38 ` [PULL 27/33] hostmem: Wire up RAM_NORESERVE via "reserve" property Paolo Bonzini
2021-06-15 13:38 ` [PULL 28/33] qmp: Clarify memory backend properties returned via query-memdev Paolo Bonzini
2021-06-15 13:38 ` Paolo Bonzini [this message]
2021-06-15 13:38 ` [PULL 30/33] hmp: Print "share" property of memory backends with "info memdev" Paolo Bonzini
2021-06-15 13:38 ` [PULL 31/33] qmp: Include "reserve" property of memory backends Paolo Bonzini
2021-06-15 13:38 ` [PULL 32/33] hmp: Print "reserve" property of memory backends with "info memdev" Paolo Bonzini
2021-06-15 13:38 ` [PULL 33/33] configure: map x32 to cpu_family x86_64 for meson Paolo Bonzini
2021-06-15 14:17 ` [PULL 00/33] Misc patches for 2021-06-15 Peter Maydell
2021-06-15 16:52 ` Philippe Mathieu-Daudé
2021-06-17 10:06 ` Alex Bennée
2021-06-17 12:55 ` Paolo Bonzini
2021-06-17 15:34 ` Thomas Huth
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