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

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Date:   Mon, 21 May 2018 22:26:15 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Oleksandr Andrushchenko <Oleksandr_Andrushchenko@...m.com>
Cc:     Oleksandr Andrushchenko <andr2000@...il.com>,
        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 Thu, 17 May 2018 08:26:16 +0200,
Takashi Iwai wrote:
> 
> On Tue, 15 May 2018 08:02:08 +0200,
> Oleksandr Andrushchenko wrote:
> > 
> > On 05/15/2018 09:01 AM, Takashi Iwai wrote:
> > > On Tue, 15 May 2018 07:46:38 +0200,
> > > Oleksandr Andrushchenko wrote:
> > >> 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?
> > > Yes, it's fine.
> > Thank you
> 
> FWIW, the patches are in topic/xen branch in sound.git tree, and I'll
> keep boiling for a while to see if any issues are caught by 0day bot.

... and now the topic/xen branch got merged to for-next, targeted for
4.18.

Thanks for your patient works!


Takashi