hw_random core can ask for initial randomness after a slight delay after probe() finishes, and we can contribute to system randomness at that point. Tell the hw_random core by setting the HWRNG_DELAY_READ_AT_INIT flag.
CC: Kees Cook <[email protected]> CC: Jason Cooper <[email protected]> CC: Herbert Xu <[email protected]> Signed-off-by: Amit Shah <[email protected]> --- drivers/char/hw_random/virtio-rng.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index d8ffebd..f53f1e8 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -123,6 +123,7 @@ static int probe_common(struct virtio_device *vdev) .cleanup = virtio_cleanup, .priv = (unsigned long)vi, .name = vi->name, + .flags = HWRNG_DELAY_READ_AT_INIT, }; vdev->priv = vi; -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
