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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Andrew Lyon <andrew.lyon@gmail.com>
Subject: Re: Errors in OSS Sound Blaster driver / DMA Documentation (KERN_WARN)
Date: Fri, 3 Jul 2009 15:20:27 +0200
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On Friday 03 July 2009 13:54:25 Andrew Lyon wrote:
> Hi,
> 
> While investigating a compile failure of Xen kernel I noticed that the
> OSS Sound Blaster driver and DMA Documentation have the same problem,
> KERN_WARNING Is valid and declared in include/linux/kernel.h,
> KERN_WARN does not exist, here are the affected files:
> 
> Documentation/DMA-mapping.txt:          printk(KERN_WARN "%s: Playback
> disabled due to DMA limitations.\n",
> Documentation/DMA-mapping.txt:          printk(KERN_WARN "%s: Record
> disabled due to DMA limitations.\n",
> arch/x86/kernel/cpu/common-xen.c:               printk(KERN_WARN
> "Unable to register CSTAR callback\n");
> sound/oss/sb_common.c:                          /* printk(KERN_WARN
> "Sound Blaster: Unexpected interrupt\n"); */
> sound/oss/sb_common.c:                          /* printk(KERN_WARN
> "Sound Blaster: Unexpected interrupt\n"); */
> sound/oss/sb_ess.c:                     /* printk(KERN_WARN "ESS:
> Unexpected interrupt\n"); */

Good spotting.  Care to send fixes for DMA-mapping / xen / sb?

Thanks.
Bart