linux-kernel - Re: [PATCH v3 4/6] ALSA: xen-front: Implement handling of shared buffers

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Date:   Mon, 14 May 2018 22:28:31 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     "Oleksandr Andrushchenko" <andr2000@...il.com>
Cc:     <alsa-devel@...a-project.org>, <xen-devel@...ts.xenproject.org>,
        <boris.ostrovsky@...cle.com>, <konrad.wilk@...cle.com>,
        <perex@...ex.cz>, "Juergen Gross" <jgross@...e.com>,
        <linux-kernel@...r.kernel.org>,
        "Oleksandr Andrushchenko" <oleksandr_andrushchenko@...m.com>
Subject: Re: [PATCH v3 4/6] ALSA: xen-front: Implement handling of shared buffers

On Mon, 14 May 2018 08:27:40 +0200,
Oleksandr Andrushchenko wrote:
> --- /dev/null
> +++ b/sound/xen/xen_snd_front_shbuf.c
> @@ -0,0 +1,193 @@
> +// SPDX-License-Identifier: GPL-2.0 OR MIT
> +
> +/*
> + * Xen para-virtual sound device
> + *
> + * Copyright (C) 2016-2018 EPAM Systems Inc.
> + *
> + * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
> + */
> +
> +#include <xen/xen.h>
> +#include <xen/xenbus.h>
> +
> +#include "xen_snd_front_shbuf.h"

Hm, with the local build test, I get the following error:

  CC [M]  sound/xen/xen_snd_front_shbuf.o
  In file included from sound/xen/xen_snd_front_shbuf.c:11:0:
  ./include/xen/xen.h:18:8: error: unknown type name ‘bool’
   extern bool xen_pvh;
           ^~~~
   In file included from ./include/xen/interface/xen.h:30:0,
                    from ./include/xen/xen.h:29,
                    from sound/xen/xen_snd_front_shbuf.c:11:
  ./arch/x86/include/asm/xen/interface.h:92:21: error: unknown type name ‘uint64_t’
   DEFINE_GUEST_HANDLE(uint64_t);
                       ^
			
Adding #include <linux/kernel.h> fixed the issue.

Did you really test your patches with the latest Linus tree?


thanks,

Takashi