Messages in this thread | | | Date | Thu, 13 Feb 2003 12:26:10 -0800 | From | "Randy.Dunlap" <> | Subject | Re: Exporting Kernel Symbols |
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On Thu, 13 Feb 2003 20:22:48 +0000 "shesha bhushan" <bhushan_vadulas@hotmail.com> wrote:
| Hi, | I have written a new function in linux/fs/read_write.c and I want to make | the function avaliable to other kernel modules loaded using insmod. | He is what I did: | 1. Wrore the func my_func() in linux/fs/read_write.c | 2. Used the macro EXPORT_SYMBOL(my_func) inside linux/fs/read_write.c | 3. Have a signature of my_func in my_func.h | 4. Include my_func.h in linux/fs/read_write.c and my_driver.c | 5. Recompiled the kernel | 6. Compiler my_driver as loadable module. | 7. Brought my new kernel Up. | 8 . Insmod my_driver.o | Here I get the error "Unresolved symbol my_func" | Can any one clarify this.
For what kernel version?
In 2.4.20, e.g., in linux/fs/Makefile, change the following line:
export-objs := filesystems.o open.o dcache.o buffer.o
to include read_write.o
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