David Hildenbrand 77ae2302ae monitor: Rate-limit MEMORY_DEVICE_SIZE_CHANGE qapi events per device ...

We want to rate-limit MEMORY_DEVICE_SIZE_CHANGE events per device,
otherwise we can lose some events for devices. We can now use the
qom-path to reliably map an event to a device and make rate-limiting
device-aware.

This was noticed by starting a VM with two virtio-mem devices that each
have a requested size > 0. The Linux guest will initialize both devices
in parallel, resulting in losing MEMORY_DEVICE_SIZE_CHANGE events for
one of the devices.

Fixes: 722a3c783ef4 ("virtio-pci: Send qapi events when the virtio-mem size changes")
Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210929162445.64060-4-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

2021-10-02 08:43:21 +02:00

..

hmp-cmds.c

…

hmp.c

…

meson.build

…

misc.c

…

monitor-internal.h

…

monitor.c

monitor: Rate-limit MEMORY_DEVICE_SIZE_CHANGE qapi events per device

2021-10-02 08:43:21 +02:00

qmp-cmds-control.c

…

qmp-cmds.c

…

qmp.c

…

trace-events

…

trace.h

…