Sure no problem.

In that case the patch will probably break memory hotplug for any VM's tagged to Qemu <=4.2

Since VM's by default are tagged to >= 5.x that shouldn't be a issue though.


Am 17.08.2021 um 15:21 schrieb Wolfgang Bumiller:
Hi,

On Thu, Aug 12, 2021 at 08:16:42PM +0200, Constantin Herold wrote:
Signed-off-by: Constantin Herold <proxmox8...@herold.me>
---
  PVE/QemuServer/Memory.pm | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVE/QemuServer/Memory.pm b/PVE/QemuServer/Memory.pm
index f3e15f1..e34727f 100644
--- a/PVE/QemuServer/Memory.pm
+++ b/PVE/QemuServer/Memory.pm
@@ -155,7 +155,7 @@ sub qemu_memory_hotplug {
                    eval { hugepages_update_locked($code); };
} else {
-                   eval { mon_cmd($vmid, "object-add", 'qom-type' => "memory-backend-ram", id 
=> "mem-$name", props => { size => int($dimm_size*1024*1024) } ) };
+                   eval { mon_cmd($vmid, "object-add", 'qom-type' => "memory-backend-ram", id 
=> "mem-$name", size => int($dimm_size*1024*1024) ) };
Looks fine.

There's another `object-add` command a few lines higher up which also
still uses `props` and needs to be changed in the same way.

Care to include it in a v2?
It would also be nice to include the cause in the commit message,
something like:

     `props` was deprecated with qemu 5.0 and removed in qemu 6.0.
     The commands are now generally flattened.


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