lkml.org 
[lkml]   [2020]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v4 1/2] selftests: kvm: Add vm_get_fd() in kvm_util
From
Date

On 4/8/20 3:08 PM, Wainer dos Santos Moschetta wrote:
> Introduces the vm_get_fd() function in kvm_util which returns
> the VM file descriptor.
>
> Reviewed-by: Andrew Jones <drjones@redhat.com>
> Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.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 a99b875f50d2..4e122819ee24 100644
> --- a/tools/testing/selftests/kvm/include/kvm_util.h
> +++ b/tools/testing/selftests/kvm/include/kvm_util.h
> @@ -254,6 +254,7 @@ 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);
> +int vm_get_fd(struct kvm_vm *vm);
>
> unsigned int vm_calc_num_guest_pages(enum vm_guest_mode mode, size_t size);
> unsigned int vm_num_host_pages(enum vm_guest_mode mode, unsigned int num_guest_pages);
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> index 8a3523d4434f..3e36a1eb8771 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -1734,6 +1734,11 @@ unsigned int vm_get_max_gfn(struct kvm_vm *vm)
> return vm->max_gfn;
> }
>
> +int vm_get_fd(struct kvm_vm *vm)
> +{
> + return vm->fd;
> +}
> +


I am just trying to understand why we need a separate function when the
'vm' variable is all local within the same file. There are a number of
places in kvm_util.c where it is used directly.

> static unsigned int vm_calc_num_pages(unsigned int num_pages,
> unsigned int page_shift,
> unsigned int new_page_shift,

\
 
 \ /
  Last update: 2020-04-09 03:27    [W:0.112 / U:23.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site