[libvirt] [PATCH v4 0/3] Don't pm suspend guest if it's unable to wake up

Daniel Henrique Barboza danielhb413 at gmail.com
Wed Apr 24 21:16:26 UTC 2019


changes from v3:

- patch 3 removed. We no longer consider PM_WAKEUP_SUPPORT a 
cap. It is confusing to have a 'runtime cap' that can't be resolved 
inside qemu_capabilities.c. The suspend operation isn't time
critical per se, and a call to QMP each time 'virsh dompmsuspend'
is executed is not dreadful to the user experience. More information
and discussion can be found at [1].

- due to the change above, patch 4 now executes the
query-current-machine QMP call (if the running QEMU instance supports
it) during qemuDomainPMSuspendForDuration to check if the guest
has wakeup support.

- previous patch link:

[1] https://www.redhat.com/archives/libvir-list/2019-April/msg00767.html


Daniel Henrique Barboza (2):
  qemu_capabilities: Add QEMU_CAPS_QUERY_CURRENT_MACHINE
  qemuDomainPMSuspendForDuration: check for wake-up support

Michal Prívozník (1):
  qemu_monitor: Introduce handler for 'query-current-machine' command

 src/qemu/qemu_capabilities.c                  |  2 +
 src/qemu/qemu_capabilities.h                  |  1 +
 src/qemu/qemu_driver.c                        | 54 +++++++++++++++++++
 src/qemu/qemu_monitor.c                       | 10 ++++
 src/qemu/qemu_monitor.h                       |  9 ++++
 src/qemu/qemu_monitor_json.c                  | 50 +++++++++++++++++
 src/qemu/qemu_monitor_json.h                  |  5 ++
 .../caps_4.0.0.riscv32.xml                    |  1 +
 .../caps_4.0.0.riscv64.xml                    |  1 +
 .../caps_4.0.0.x86_64.xml                     |  1 +
 10 files changed, 134 insertions(+)

-- 
2.20.1




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