svn commit: r256423 - head/sys/dev/xen/blkfront

[Adam McDougall]

On 10/12/2013 22:34, Justin T. Gibbs wrote:
> Author: gibbs
> Date: Sun Oct 13 02:34:20 2013
> New Revision: 256423
> URL: http://svnweb.freebsd.org/changeset/base/256423
> 
> Log:
>   Allow FreeBSD to be booted from CDROM media on XenServer 6.2 and
>   prior releases.
>   
>   Submitted by:	Roger Pau Monné
>   Sponsored by:	Citrix Systems R&D
>   Reviewed by:	gibbs
>   Approved by:	re (gjb)
>   
>   sys/dev/xen/blkfront/blkfront.c:
>   	On XenServer versions up to an including 6.2, paravirtualized
>   	CDROM support is broken.  When running in an HVM domain,
>   	ignore paravirtualized instances of CDROM media, and instead
>   	rely on native drivers attaching to emulated hardware.  This
>   	functions correctly on all currently known Xen based
>   	platforms.

Can this pretty please be MFC'ed for 10.0?  I haven't heard of any
problems with it, only successes on freebsd-xen at freebsd.org (thread:
"FreeBSD Alpha5 amd64 - Citrix Xen 6.2 problem").  Thanks!