Re: [PATCH] KVM: x86: add missing MODULE_DESCRIPTION() macros

[Sean Christopherson <seanjc@google.com>]

On Tue, May 28, 2024, Jeff Johnson wrote:
> Fix the following allmodconfig 'make W=1' warnings when building for x86:
> WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm-intel.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kvm/kvm-amd.o
> 
> Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
> ---
>  arch/x86/kvm/svm/svm.c | 1 +
>  arch/x86/kvm/vmx/vmx.c | 1 +
>  virt/kvm/kvm_main.c    | 1 +
>  3 files changed, 3 insertions(+)
> 
> diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
> index c8dc25886c16..bdd39931720c 100644
> --- a/arch/x86/kvm/svm/svm.c
> +++ b/arch/x86/kvm/svm/svm.c
> @@ -53,6 +53,7 @@
>  #include "svm_onhyperv.h"
>  
>  MODULE_AUTHOR("Qumranet");
> +MODULE_DESCRIPTION("KVM SVM (AMD-V) extensions");

How about "KVM support for SVM (AMD-V) extensions"?

>  MODULE_LICENSE("GPL");
>  
>  #ifdef MODULE
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index 6051fad5945f..956e6062f311 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -74,6 +74,7 @@
>  #include "posted_intr.h"
>  
>  MODULE_AUTHOR("Qumranet");
> +MODULE_DESCRIPTION("KVM VMX (Intel VT-x) extensions");

And then a similar thing here.

>  MODULE_LICENSE("GPL");
>  
>  #ifdef MODULE
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 14841acb8b95..b03d06ca29c4 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -74,6 +74,7 @@
>  #define ITOA_MAX_LEN 12
>  
>  MODULE_AUTHOR("Qumranet");
> +MODULE_DESCRIPTION("Kernel-based Virtual Machine driver for Linux");

Maybe "Kernel-based Virtual Machine (KVM) Hypervisor"?  I personally never think
of KVM as a "driver", though I know it's been called that in the past.  And having
"Hypervisor" in the name might help unfamiliar users.