[PATCH] vhost: make cryptodev support optional

[Maxime Coquelin]

On 10/14/26 6:31 PM, David Marchand wrote:
> The vhost crypto part has seen CVEs in the past and is getting a lot of
> eyes those days.
>
> Contrary to the vhost async datapath code, the cryptodev code seems to
> have active contributors, so dropping this code does not seem a good
> thing.
>
> This change here allows to keep this support, yet disable it for
> uninterested parties.
>
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> ---
>   lib/vhost/meson.build | 10 +++++++---
>   1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/lib/vhost/meson.build b/lib/vhost/meson.build
> index 6a24981d10..93366a9609 100644
> --- a/lib/vhost/meson.build
> +++ b/lib/vhost/meson.build
> @@ -30,7 +30,6 @@ sources = files(
>           'vdpa.c',
>           'vduse.c',
>           'vhost.c',
> -        'vhost_crypto.c',
>           'vhost_user.c',
>           'virtio_net.c',
>           'virtio_net_ctrl.c',
> @@ -39,9 +38,14 @@ headers = files(
>           'rte_vdpa.h',
>           'rte_vhost.h',
>           'rte_vhost_async.h',
> -        'rte_vhost_crypto.h',
>   )
>   driver_sdk_headers = files(
>           'vdpa_driver.h',
>   )
> -deps += ['ethdev', 'cryptodev', 'hash', 'pci', 'dmadev']
> +deps += ['ethdev', 'pci', 'dmadev']
> +
> +if dpdk_conf.has('RTE_LIB_CRYPTODEV')
> +    sources += files('vhost_crypto.c')
> +    headers += files('rte_vhost_crypto.h')
> +    deps += ['cryptodev', 'hash']
> +endif

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,

Maxime