linux-kernel - [PATCH 5.6 002/167] tools/testing/nvdimm: Fix compilation failure without CONFIG_DEV_DAX_PMEM

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Date:   Tue, 28 Apr 2020 20:22:58 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jan Kara <jack@...e.cz>,
        Dan Williams <dan.j.williams@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.6 002/167] tools/testing/nvdimm: Fix compilation failure without CONFIG_DEV_DAX_PMEM_COMPAT

From: Jan Kara <jack@...e.cz>

[ Upstream commit c0e71d602053e4e7637e4bc7d0bc9603ea77a33f ]

When a kernel is configured without CONFIG_DEV_DAX_PMEM_COMPAT, the
compilation of tools/testing/nvdimm fails with:

  Building modules, stage 2.
  MODPOST 11 modules
ERROR: "dax_pmem_compat_test" [tools/testing/nvdimm/test/nfit_test.ko] undefined!

Fix the problem by calling dax_pmem_compat_test() only if the kernel has
the required functionality.

Signed-off-by: Jan Kara <jack@...e.cz>
Link: https://lore.kernel.org/r/20200123154720.12097-1-jack@suse.cz
Signed-off-by: Dan Williams <dan.j.williams@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/nvdimm/test/nfit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index bf6422a6af7ff..a8ee5c4d41ebb 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -3164,7 +3164,9 @@ static __init int nfit_test_init(void)
 	mcsafe_test();
 	dax_pmem_test();
 	dax_pmem_core_test();
+#ifdef CONFIG_DEV_DAX_PMEM_COMPAT
 	dax_pmem_compat_test();
+#endif
 
 	nfit_test_setup(nfit_test_lookup, nfit_test_evaluate_dsm);
 
-- 
2.20.1