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    Subjectmodule: test code for waiting.
    Date
    From: Rusty Russell <rusty@rustcorp.com.au>
    Subject: module: dummy module to test loading race.
    ---
    kernel/Makefile | 1 +
    kernel/test-mod.c | 21 +++++++++++++++++++++
    2 files changed, 22 insertions(+)

    diff --git a/kernel/Makefile b/kernel/Makefile
    --- a/kernel/Makefile
    +++ b/kernel/Makefile
    @@ -131,3 +131,4 @@ quiet_cmd_timeconst = TIMEC $@
    targets += timeconst.h
    $(obj)/timeconst.h: $(src)/timeconst.pl FORCE
    $(call if_changed,timeconst)
    +obj-m += test-mod.o
    diff --git a/kernel/test-mod.c b/kernel/test-mod.c
    new file mode 100644
    --- /dev/null
    +++ b/kernel/test-mod.c
    @@ -0,0 +1,21 @@
    +#include <linux/module.h>
    +#include <linux/moduleparam.h>
    +#include <linux/delay.h>
    +
    +static bool fail;
    +module_param(fail, bool, 0644);
    +
    +int init(void)
    +{
    + printk("Module %p init start...\n", THIS_MODULE);
    + ssleep(10);
    + printk("...%p init %s\n", THIS_MODULE, fail ? "fail" : "succeed");
    + return fail ? -EINVAL : 0;
    +}
    +
    +void fini(void)
    +{
    +}
    +
    +module_init(init);
    +module_exit(fini);

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