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

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Date:   Tue, 15 May 2018 08:46:38 +0300
From:   Oleksandr Andrushchenko <andr2000@...il.com>
To:     Takashi Iwai <tiwai@...e.de>,
        "Oleksandr_Andrushchenko@...m.com" <Oleksandr_Andrushchenko@...m.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
Subject: Re: [PATCH v3 4/6] ALSA: xen-front: Implement handling of shared
 buffers

On 05/14/2018 11:28 PM, Takashi Iwai wrote:
> 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?
My bad, it does build for ARM (which is my target), but also does
need "#include <linux/kernel.h>" for x86 which I didn't build this time.
Sorry about that.

Do you want me to resend this single patch or you can make the change
while applying?
>
>
> thanks,
>
> Takashi
Thank you,
Oleksandr