linux-kernel - Re: [PATCH -next] 9p: fix RDMA dependency

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Date:	Fri, 02 Jan 2009 11:59:07 -0800
From:	Roland Dreier <rdreier@...co.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Van Hensbergen <ericvh@...il.com>,
	Roland Dreier <rolandd@...co.com>
Subject: Re: [PATCH -next] 9p: fix RDMA dependency

 >  config NET_9P_RDMA
 > -	depends on INET && INFINIBAND && EXPERIMENTAL
 > +	depends on INET && INFINIBAND_ADDR_TRANS && EXPERIMENTAL
 >  	tristate "9P RDMA Transport (Experimental)"

This actually allows the broken config INFINIBAND=m and NET_9P_RDMA=y.
I think the answer is to add INFINIBAND_ADDR_TRANS but leave INFINIBAND
too.  The SUNRPC_XPRT_RDMA patch would have the same problem, but since
SUNRPC_XPRT_RDMA is a hidden option (with help text ?!) that gets set
automatically, there's no way to create the problem config.

 - R.
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