Re: [PATCH v5 3/5] vduse: Support using userspace pages as bounce buffer

[Mike Galbraith]

Greetings,

On Wed, 2022-08-03 at 12:55 +0800, Xie Yongji wrote:
>
> diff --git a/drivers/vdpa/vdpa_user/iova_domain.h b/drivers/vdpa/vdpa_user/iova_domain.h
> index 2722d9b8e21a..4e0e50e7ac15 100644
> --- a/drivers/vdpa/vdpa_user/iova_domain.h
> +++ b/drivers/vdpa/vdpa_user/iova_domain.h
> @@ -14,6 +14,7 @@
>  #include <linux/iova.h>
>  #include <linux/dma-mapping.h>
>  #include <linux/vhost_iotlb.h>
> +#include <linux/rwlock.h>
                   ^^^^^^^^

Erm, that should be spinlock.h.

#ifndef __LINUX_RWLOCK_H
#define __LINUX_RWLOCK_H

#ifndef __LINUX_SPINLOCK_H
# error "please don't include this file directly"
#endif

This belated comment inspired by PREEMPT_RT build meeting the above :)

	-Mike