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DRAFT: Test modules sharing a symbol #470

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DRAFT: Test modules sharing a symbol #470

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e5cb1e6
dkms_test: export a symbol
anbe42 Dec 5, 2024
6d014b5
dkms_dependencies_test: use the exported symbol from dkms_test
anbe42 Dec 7, 2024
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3 changes: 3 additions & 0 deletions test/dkms_dependencies_test-1.0/dkms_dependencies_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,12 @@
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("A Simple dkms test module");

extern void dkms_test_exported_function(void);

static int __init dkms_dependencies_test_init(void)
{
printk(KERN_INFO "DKMS Test Module -%s Loaded\n",DKMS_TEST_VER);
dkms_test_exported_function();
return 0;
}

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7 changes: 7 additions & 0 deletions test/dkms_test-1.0/dkms_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,3 +21,10 @@ static void __exit dkms_test_cleanup(void)
module_init(dkms_test_init);
module_exit(dkms_test_cleanup);
MODULE_VERSION(DKMS_TEST_VER);

void dkms_test_exported_function(void)
{
printk(KERN_INFO "Function exported by the dkms test module.\n");
}

EXPORT_SYMBOL_GPL(dkms_test_exported_function);
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