Re: dev/sound/pcm/sound.h shadows INTR_MPSAFE declaration

From: Doug White <dwhite_at_gumbysoft.com>
Date: Mon, 5 Apr 2004 20:20:46 -0700 (PDT)
On Sun, 4 Apr 2004, Yuriy Tsibizov wrote:

> Today I've noticied that my driver is marked as Giant-locked:

Is it actually MPSAFE?  If so, feel free to mark it as such, although pcm
isn't fully locked yet, so we take no responsibility for any damage
caused :)

>
> -dmesg-
> Copyright (c) 1992-2004 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> 	The Regents of the University of California. All rights reserved.
> FreeBSD 5.2-CURRENT #0: Sat Apr  3 11:57:58 MSD 2004
>     chibis_at_free.home.local:/usr/obj/usr/src/sys/FREE-FAST
> [..]
> emu10kx0: <Creative EMU10K2 (Audigy)> port 0xd000-0xd01f irq 12 at device 10.0 on pci0
> emu10kx0: [GIANT-LOCKED]
> -dmesg-
>
> because INTR_MPSAFE is defined to 0 in dev/sound/pcm/sound.h:
>
> -sound.h-
> /*
> [...]
>  * $FreeBSD: src/sys/dev/sound/pcm/sound.h,v 1.57 2004/03/06 15:52:42 matk Exp $
>  */
>
> [...]
>
> #ifndef	INTR_MPSAFE
> #define	INTR_TYPE_AV	INTR_TYPE_TTY
> #endif
>
> #ifndef	INTR_MPSAFE
> #define	INTR_MPSAFE	0
> #endif
> -sound.h-
>
> and there is no macro INTR_MPSAFE defined inside kernel (it is defined in
> enum).
>
> Yuriy Tsibizov,
> http://chibis.persons.gfk.ru/audigy/
>
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-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite_at_gumbysoft.com          |  www.FreeBSD.org
Received on Mon Apr 05 2004 - 18:20:54 UTC

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