Messages in this thread | | | From | "shesha bhushan" <> | Subject | Re: Exporting Kernel Symbols | Date | Thu, 13 Feb 2003 21:10:07 +0000 |
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OK I got this working. It was a very silly thing. linux/fs/read_write.c had not included <linux/module.h> But the kernel compilation was not complaining about the useage of EXPORT_SYMBOL without including <linux/module. Now its working fine.
Thanks -Shesha
>From: "Randy.Dunlap" <rddunlap@osdl.org> >To: "shesha bhushan" <bhushan_vadulas@hotmail.com> >CC: linux-kernel@vger.kernel.org >Subject: Re: Exporting Kernel Symbols >Date: Thu, 13 Feb 2003 12:26:10 -0800 > >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 > >-- >~Randy >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/
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