ACK: [SRU][F:linux-gcp/J:linux-gcp/N:linux-gcp/O:linux-gcp/P:linux-gcp][PATCH 0/1] Make virtio_balloon a loadable module
Kuba Pawlak
kuba.pawlak at canonical.com
Wed Apr 2 10:22:09 UTC 2025
On 2.04.2025 02:20, Ian Whitfield wrote:
> BugLink: https://bugs.launchpad.net/bugs/2105142
>
> [Impact]
>
> Google requested that the virtio_balloon module be made loadable, rather
> than built-in. This is to support disabling the module at runtime, which
> is specified as possible in their documentation:
> https://cloud.google.com/compute/docs/dynamic-resource-management#disabling_the_virtio_memory_balloon_device
>
> [Fix]
>
> Change CONFIG_VIRTIO_BALLOON to build the driver as a loadable module
> rather than a built-in, drivers/virtio/* is already in the inclusion
> list, so the driver will be included in the main modules package.
>
> A thread for Bionic was sent to the ESM mailing list.
>
> [Test Plan]
>
> List files in the linux-modules package and verify that virtio_balloon.ko
> is there.
>
> [Regression potential]
>
> The regression potential is very low since the module will still be
> included with all cloud installations and a user has to manually
> disable it to get different behavior.
>
> Ian Whitfield (1):
> UBUNTU: [Packaging] gcp: Make virtio_balloon loadable
>
> debian.gcp/config/annotations | 3 +++
> 1 file changed, 3 insertions(+)
>
Acked-by: Kuba Pawlak <kuba.pawlak at canonical.com>
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