ACK: [SRU][N:linux-azure-nvidia][PATCH 0/1] Include cppc_cpufreq in linux-modules

[Thibault Ferrante]

Acked-by: Thibault Ferrante <thibault.ferrante at canonical.com>


On 04/08/2025 19:45, ioanna-maria.alifieraki at canonical.com wrote:
> From: Ioanna Alifieraki <ioanna-maria.alifieraki at canonical.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/2119465
> 
> [Impact]
> Include cppc_cpufreq module in linux-modules package instead of
> linux-modules-extra so that cpufreq is enabled by default (without
> the need to install linux-modules-extra).
> 
> The fix is fairly simple, add the cppc_cpufreq.ko modules to
> azure-nvidia.inclusion-list.
> 
> [Test Case]
> 
> Currently cppc_cpufreq is not included in linux-modules package.
> 
> root at flavio:/home/ubuntu# uname -rv
> 6.8.0-1019-azure-nvidia #20-Ubuntu SMP Fri Jun 27 23:52:00 UTC 2025
> root at flavio:/home/ubuntu# lsmod | grep cpufreq
> root at flavio:/home/ubuntu#
> root at flavio:/home/ubuntu# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
> cat: /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor: No such file or directory
> 
> Preparing a test kernel with the fix and installing only the linux-image
> and linux-modules package, cppc_cpufreq is present.
> 
> ubuntu at flavio:~$ uname -rv
> 6.8.0-1020-azure-nvidia #21 SMP Mon Aug 4 16:37:34 UTC 2025
> 
> root at flavio:/home/ubuntu# lsmod | grep cpufreq
> cppc_cpufreq 262144 0
> root at flavio:/home/ubuntu# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
> ondemand
> 
> [Where problems could occur]
> 
> The fix just adds a module in linux-modules package. Not any severe
> regressions expected. However, those who expected to find this module
> in modules-extra will not find there anymore.
> 
> [Other]
> 
> The fix is needed for linux-azure-nvidia, for Noble, 6.8.
> SF#413581
> 
> 
> Ioanna Alifieraki (1):
>    UBUNTU: [Config] azure-nvidia: add cppc_cpufreq to
>      azure-nvidia.inclusion-list
> 
>   debian.azure-nvidia/control.d/azure-nvidia.inclusion-list | 1 +
>   1 file changed, 1 insertion(+)
>