Re: [RFC PATCH] Drivers: hv: Resolve ambiguity in hypervisor version log

[Nuno Das Neves <nunodasneves@linux.microsoft.com>]

On 10/8/2025 3:43 PM, Stanislav Kinsburskii wrote:
> Update the log message in hv_common_init to explicitly state that the
> reported version is for the Microsoft Hypervisor, not the host OS.
> 
> Previously, this message was accurate for guests running on Windows
> hosts, where the host and hypervisor versions matched. With support for
> Linux hosts running the Hyper-V hypervisor, the host OS and hypervisor
> versions may differ.
> 
> This change avoids confusion by making it clear that the version refers to
> the Microsoft Hypervisor regardless of the host operating system.
> 
> Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
> ---
>  drivers/hv/hv_common.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
> index e109a620c83fc..0289ee4ed5ebf 100644
> --- a/drivers/hv/hv_common.c
> +++ b/drivers/hv/hv_common.c
> @@ -315,9 +315,9 @@ int __init hv_common_init(void)
>  	int i;
>  	union hv_hypervisor_version_info version;
>  
> -	/* Get information about the Hyper-V host version */
> +	/* Get information about the Microsoft Hypervisor version */
>  	if (!hv_get_hypervisor_version(&version))
> -		pr_info("Hyper-V: Host Build %d.%d.%d.%d-%d-%d\n",
> +		pr_info("Hyper-V: Hypervisor Build %d.%d.%d.%d-%d-%d\n",
>  			version.major_version, version.minor_version,
>  			version.build_number, version.service_number,
>  			version.service_pack, version.service_branch);
> 
> 

Looks like a good idea.

Reviewed-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>