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Date: Wed, 28 Sep 2011 11:15:15 +0300
From: Jaakko Heinonen <jh@FreeBSD.org>
To: Craig Rodrigues <rodrigc@crodrigues.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: bin/160979: 9.0 burncd error caused by change to cd0 from acd0
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On 2011-09-27, Craig Rodrigues wrote:
> I think we need something like the following patch.

> +#ifdef ATA_CAM
> +SYSCTL_INT(_hw_ata, OID_AUTO, ata_cam_enabled,
> +	CTLFLAG_RD, &ata_cam_enabled, 1,
> +	"ATA devices are accessed through the cam(4) driver");
> +#endif

I think that using the FEATURE() macro and feature_present(3) might be
more appropriate for this.

Thanks.
-- 
Jaakko