linux-kernel - Re: [PATCH 1/2] selftests: kvm: Add vm_get_fd() in kvm

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Date:   Tue, 31 Mar 2020 09:52:55 +0200
From:   Andrew Jones <drjones@...hat.com>
To:     Wainer dos Santos Moschetta <wainersm@...hat.com>
Cc:     kvm@...r.kernel.org, pbonzini@...hat.com,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        david@...hat.com
Subject: Re: [PATCH 1/2] selftests: kvm: Add vm_get_fd() in kvm_util

On Mon, Mar 30, 2020 at 05:43:09PM -0300, Wainer dos Santos Moschetta wrote:
> Introduces the vm_get_fd() function in kvm_util which returns
> the VM file descriptor.
> 
> Signed-off-by: Wainer dos Santos Moschetta <wainersm@...hat.com>
> ---
>  tools/testing/selftests/kvm/include/kvm_util.h | 1 +
>  tools/testing/selftests/kvm/lib/kvm_util.c     | 5 +++++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
> index ae0d14c2540a..aa4a70f969ed 100644
> --- a/tools/testing/selftests/kvm/include/kvm_util.h
> +++ b/tools/testing/selftests/kvm/include/kvm_util.h
> @@ -163,6 +163,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm);
>  unsigned int vm_get_page_size(struct kvm_vm *vm);
>  unsigned int vm_get_page_shift(struct kvm_vm *vm);
>  unsigned int vm_get_max_gfn(struct kvm_vm *vm);
> +unsigned int vm_get_fd(struct kvm_vm *vm);
>  
>  struct kvm_userspace_memory_region *
>  kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> index a6dd0401eb50..0961986c0d74 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -1703,3 +1703,8 @@ unsigned int vm_get_max_gfn(struct kvm_vm *vm)
>  {
>  	return vm->max_gfn;
>  }
> +
> +unsigned int vm_get_fd(struct kvm_vm *vm)
> +{
> +	return vm->fd;
> +}
> -- 
> 2.17.2
>

Please use an int instead of 'unsigned int' to match the fd type.

Thanks,
drew