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SubjectRe: linux-next: build failure after merge of the rdma tree
Hi Stephen,

On Tue, 27 Sep 2016 11:23:34 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi Doug,
>
> After merging the rdma tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c: In function 'kiblnd_hdev_setup_mrs':
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c:2317:7: error: implicit declaration of function 'ib_get_dma_mr' [-Werror=implicit-function-declaration]
> mr = ib_get_dma_mr(hdev->ibh_pd, acflags);
> ^
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c:2317:5: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> mr = ib_get_dma_mr(hdev->ibh_pd, acflags);
> ^
>
> Caused by commit
>
> 5ef990f06bd7 ("IB/core: remove ib_get_dma_mr")
>
> I have used the rdma tree from next-20160923 for today.

As pointed out by Christoph, I should have just disabled the driver in
staging, so today I just applied the patch below. Doug, that should
probably be applied to the rdma tree so that you don't break Linus'
tree when it gets merged.

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 28 Sep 2016 11:35:28 +1000
Subject: [PATCH] starging/lustre: disable LNET infiniband support

Commit 5ef990f06bd7 ("IB/core: remove ib_get_dma_mr") broke the
lustre LNET infiniband support. Since this is in drivers/staging,
lets just disable it for now until ti can be fixed properly.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
drivers/staging/lustre/lnet/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/staging/lustre/lnet/Kconfig b/drivers/staging/lustre/lnet/Kconfig
index 2b5930150cda..13b43278a38d 100644
--- a/drivers/staging/lustre/lnet/Kconfig
+++ b/drivers/staging/lustre/lnet/Kconfig
@@ -35,6 +35,7 @@ config LNET_SELFTEST
config LNET_XPRT_IB
tristate "LNET infiniband support"
depends on LNET && INFINIBAND && INFINIBAND_ADDR_TRANS
+ depends on BROKEN
default LNET && INFINIBAND
help
This option allows the LNET users to use infiniband as an
--
2.8.1
--
Cheers,
Stephen Rothwell

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