linux-kernel - Re: [PATCH] tools/virtio: fix build

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Date:   Wed, 6 Jul 2022 08:39:27 +0200
From:   Eugenio Perez Martin <eperezma@...hat.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
Cc:     virtualization <virtualization@...ts.linux-foundation.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Jason Wang <jasowang@...hat.com>
Subject: Re: [PATCH] tools/virtio: fix build

On Tue, Jul 5, 2022 at 9:32 AM Stefano Garzarella <sgarzare@...hat.com> wrote:
>
> Fix the build caused by the following changes:
> - phys_addr_t is now defined in tools/include/linux/types.h
> - dev_warn_once() is used in drivers/virtio/virtio_ring.c
> - linux/uio.h included by vringh.h use INT_MAX defined in limits.h
>
> Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>

Acked-by: Eugenio Pérez <eperezma@...hat.com>

> ---
>  tools/virtio/linux/kernel.h | 2 +-
>  tools/virtio/linux/vringh.h | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
> index 0b493542e61a..21593bf97755 100644
> --- a/tools/virtio/linux/kernel.h
> +++ b/tools/virtio/linux/kernel.h
> @@ -29,7 +29,6 @@
>  #define READ                    0
>  #define WRITE                   1
>
> -typedef unsigned long long phys_addr_t;
>  typedef unsigned long long dma_addr_t;
>  typedef size_t __kernel_size_t;
>  typedef unsigned int __wsum;
> @@ -136,6 +135,7 @@ static inline void *krealloc_array(void *p, size_t new_n, size_t new_size, gfp_t
>  #endif
>  #define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
>  #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
> +#define dev_warn_once(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
>
>  #define min(x, y) ({                           \
>         typeof(x) _min1 = (x);                  \
> diff --git a/tools/virtio/linux/vringh.h b/tools/virtio/linux/vringh.h
> index 9348957be56e..e11c6aece734 100644
> --- a/tools/virtio/linux/vringh.h
> +++ b/tools/virtio/linux/vringh.h
> @@ -1 +1,2 @@
> +#include <limits.h>
>  #include "../../../include/linux/vringh.h"
> --
> 2.36.1
>