linux-kernel - Re: [PATCH] IB: Revert "remove redundant INFINIBAND kconfig dependencies"

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Message-ID: <20180528164417.GA24505@ziepe.ca>
Date:   Mon, 28 May 2018 10:44:17 -0600
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Doug Ledford <dledford@...hat.com>,
        Keith Busch <keith.busch@...el.com>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Oleg Drokin <oleg.drokin@...el.com>,
        Andreas Dilger <andreas.dilger@...el.com>,
        James Simmons <jsimmons@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Steve French <sfrench@...ba.org>,
        Eric Van Hensbergen <ericvh@...il.com>,
        Ron Minnich <rminnich@...dia.gov>,
        Latchesar Ionkov <lucho@...kov.net>,
        "David S. Miller" <davem@...emloft.net>,
        Santosh Shilimkar <santosh.shilimkar@...cle.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        Jeff Layton <jlayton@...nel.org>,
        Greg Thelen <gthelen@...gle.com>,
        Bart Van Assche <bart.vanassche@....com>,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org, lustre-devel@...ts.lustre.org,
        devel@...verdev.osuosl.org, linux-cifs@...r.kernel.org,
        samba-technical@...ts.samba.org,
        v9fs-developer@...ts.sourceforge.net, netdev@...r.kernel.org,
        rds-devel@....oracle.com, linux-nfs@...r.kernel.org
Subject: Re: [PATCH] IB: Revert "remove redundant INFINIBAND kconfig
 dependencies"

On Fri, May 25, 2018 at 11:29:59PM +0200, Arnd Bergmann wrote:
> Several subsystems depend on INFINIBAND_ADDR_TRANS, which in turn depends
> on INFINIBAND. However, when with CONFIG_INIFIBAND=m, this leads to a
> link error when another driver using it is built-in. The
> INFINIBAND_ADDR_TRANS dependency is insufficient here as this is
> a 'bool' symbol that does not force anything to be a module in turn.
> 
> fs/cifs/smbdirect.o: In function `smbd_disconnect_rdma_work':
> smbdirect.c:(.text+0x1e4): undefined reference to `rdma_disconnect'
> net/9p/trans_rdma.o: In function `rdma_request':
> trans_rdma.c:(.text+0x7bc): undefined reference to `rdma_disconnect'
> net/9p/trans_rdma.o: In function `rdma_destroy_trans':
> trans_rdma.c:(.text+0x830): undefined reference to `ib_destroy_qp'
> trans_rdma.c:(.text+0x858): undefined reference to `ib_dealloc_pd'
> 
> Fixes: 9533b292a7ac ("IB: remove redundant INFINIBAND kconfig dependencies")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Acked-by: Greg Thelen <gthelen@...gle.com>
> ---
> The patch that introduced the problem has been queued in the
> rdma-fixes/for-rc tree. Please revert the patch before sending
> the branch to Linus.
> ---
>  drivers/infiniband/ulp/srpt/Kconfig | 2 +-
>  drivers/nvme/host/Kconfig           | 2 +-
>  drivers/nvme/target/Kconfig         | 2 +-
>  drivers/staging/lustre/lnet/Kconfig | 2 +-
>  fs/cifs/Kconfig                     | 2 +-
>  net/9p/Kconfig                      | 2 +-
>  net/rds/Kconfig                     | 2 +-
>  net/sunrpc/Kconfig                  | 2 +-
>  8 files changed, 8 insertions(+), 8 deletions(-)

Applied to for-rc, thanks

Jason