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libnvdimm: Enable unit test infrastructure compile checks

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The infrastructure to mock core libnvdimm routines for unit testing
purposes is prone to bitrot relative to refactoring of that core.  Arrange
for the unit test core to be built when CONFIG_COMPILE_TEST=y.  This does
not result in a functional unit test environment, it is only a helper for
0day to catch unit test build regressions.

Note that there are a few x86isms in the implementation, so this does not
bother compile testing this architectures other than 64-bit x86.

Link: https://lore.kernel.org/r/156763690875.2556198.15786177395425033830.stgit@dwillia2-desk3.amr.corp.intel.com
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Dan Williams 2019-09-04 15:43:31 -07:00 committed by Jason Gunthorpe
parent ba170f76b6
commit 62974fc389
2 changed files with 16 additions and 0 deletions
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12
drivers/nvdimm/Kconfig
View File

@ -118,4 +118,16 @@ config NVDIMM_KEYS
depends on ENCRYPTED_KEYS
depends on (LIBNVDIMM=ENCRYPTED_KEYS) || LIBNVDIMM=m
config NVDIMM_TEST_BUILD
tristate "Build the unit test core"
depends on m
depends on COMPILE_TEST && X86_64
default m if COMPILE_TEST
help
Build the core of the unit test infrastructure. The result of
this build is non-functional for unit test execution, but it
otherwise helps catch build errors induced by changes to the
core devm_memremap_pages() implementation and other
infrastructure.
endif

4
drivers/nvdimm/Makefile
View File

@ -29,3 +29,7 @@ libnvdimm-$(CONFIG_BTT) += btt_devs.o
libnvdimm-$(CONFIG_NVDIMM_PFN) += pfn_devs.o
libnvdimm-$(CONFIG_NVDIMM_DAX) += dax_devs.o
libnvdimm-$(CONFIG_NVDIMM_KEYS) += security.o
TOOLS := ../../tools
TEST_SRC := $(TOOLS)/testing/nvdimm/test
obj-$(CONFIG_NVDIMM_TEST_BUILD) += $(TEST_SRC)/iomap.o