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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0fb5c8df60
The libnvdimm unit tests will fail when they are run against the
production / in-tree version of libnvdimm.ko or nfit.ko due to
symbols not being mocked per nfit_test's expectation. For example,
nfit_test expects acpi_evaluate_dsm() to be replaced by
__wrap_acpi_evaluate_dsm() to test how acpi_nfit_ctl() responds to
different stimuli.
Create a test-only symbol name that nfit_test links against to cause
module load failures when the wrong module is present.
For example, with this change, attempts to use the wrong module will
report:
nfit_test: Unknown symbol libnvdimm_test (err 0)
Reported-by: Dave Jiang <dave.jiang@intel.com>
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
22 lines
620 B
C
22 lines
620 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright(c) 2018 Intel Corporation. All rights reserved.
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#ifndef _TEST_NVDIMM_WATERMARK_H_
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#define _TEST_NVDIMM_WATERMARK_H_
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int pmem_test(void);
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int libnvdimm_test(void);
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int acpi_nfit_test(void);
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int device_dax_test(void);
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/*
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* dummy routine for nfit_test to validate it is linking to the properly
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* mocked module and not the standard one from the base tree.
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*/
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#define nfit_test_watermark(x) \
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int x##_test(void) \
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{ \
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pr_debug("%s for nfit_test\n", KBUILD_MODNAME); \
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return 0; \
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} \
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EXPORT_SYMBOL(x##_test)
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#endif /* _TEST_NVDIMM_WATERMARK_H_ */
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