On 2/20/2025 10:33 AM, Nuno Das Neves wrote:
> Introduce hv_current_partition_type to store the partition type
> as an enum.
> 
> Right now this is limited to guest or root partition, but there will
> be other kinds in future and the enum is easily extensible.
> 
> Set up hv_current_partition_type early in Hyper-V initialization with
> hv_identify_partition_type(). hv_root_partition() just queries this
> value, and shouldn't be called before that.
> 
> Making this check into a function sets the stage for adding a config
> option to gate the compilation of root partition code. In particular,
> hv_root_partition() can be stubbed out always be false if root
> partition support isn't desired.
> 
> Signed-off-by: Nuno Das Neves <nunodasne...@linux.microsoft.com>
> ---
>  arch/arm64/hyperv/mshyperv.c       |  2 ++
>  arch/x86/hyperv/hv_init.c          | 10 ++++-----
>  arch/x86/kernel/cpu/mshyperv.c     | 24 ++------------------
>  drivers/clocksource/hyperv_timer.c |  4 ++--
>  drivers/hv/hv.c                    | 10 ++++-----
>  drivers/hv/hv_common.c             | 35 +++++++++++++++++++++++++-----
>  drivers/hv/vmbus_drv.c             |  2 +-
>  drivers/iommu/hyperv-iommu.c       |  4 ++--
>  include/asm-generic/mshyperv.h     | 15 +++++++++++--
>  9 files changed, 61 insertions(+), 45 deletions(-)

Looks good to me.

Reviewed-by: Easwar Hariharan <eahar...@linux.microsoft.com>

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