[PATCH 03/26] virt: Declare and define vfio_file_set_kvm() iff CONFIG_KVM is enabled

Jason Gunthorpe jgg at ziepe.ca
Tue Sep 19 01:18:04 AEST 2023


On Fri, Sep 15, 2023 at 05:30:55PM -0700, Sean Christopherson wrote:
> Hide vfio_file_set_kvm() and its unique helpers if KVM is not enabled,
> nothing else in the kernel (or out of the kernel) should be using a
> KVM specific helper.
> 
> Signed-off-by: Sean Christopherson <seanjc at google.com>
> ---
>  drivers/vfio/vfio_main.c | 2 +-
>  include/linux/vfio.h     | 2 ++
>  2 files changed, 3 insertions(+), 1 deletion(-)

Patch subject should be vfio not virt

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

> @@ -1388,6 +1387,7 @@ void vfio_file_set_kvm(struct file *file, struct kvm *kvm)
>  		vfio_device_file_set_kvm(file, kvm);
>  }
>  EXPORT_SYMBOL_GPL(vfio_file_set_kvm);
> +#endif

We could even put this in a symbol namespace..

Jason


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