On Thu, Jan 24, 2019 at 07:59:02PM +0300, Ilya Maximets wrote:
Read barrier is required between reading the flags (desc_is_used) and the content of descriptor to ensure the ordering. Otherwise, speculative read of desc.id could be reordered with reading of the desc.flags.Fixes: a76290c8f1cf ("net/virtio: implement Rx path for packed queues") Cc: [email protected] Signed-off-by: Ilya Maximets <[email protected]> --- drivers/net/virtio/virtio_rxtx.c | 1 + 1 file changed, 1 insertion(+)
Reviewed-by: Jens Freimann <[email protected]>
