sorry i forgotten to mention that SYMBOLS in /proc/kallsyms are NOT necessarily declared as EXPORT_SYMBOL.
On Fri, Feb 27, 2009 at 1:26 PM, Peter Teoh <[email protected]> wrote: > in order for a module to use ANY OF THE symbol from another module, or > from the core kernel itself, the symbol must be declared as > EXPORT_SYMBOL in the first place. And then the symbol user side must > declare "extern" for the symbol before using it. > > On Thu, Feb 26, 2009 at 10:32 PM, Sabin <[email protected]> wrote: >> Thanks Matthias, >> It worked! That was stupidly simple. But that still leaves the actual >> question - why am I not able to use a symbol exported by kernel. Is >> there anything to be done before using an exported symbol? >> >> Thank you >> Sabin >> >> On Thu, 2009-02-26 at 09:50 +0100, Matthias Kaehlcke wrote: >>> El Thu, Feb 26, 2009 at 02:02:18PM +0000 Sabin ha dit: >>> >>> > I am not able to link with proc_root symbol, though i could see it >>> > exported in /proc/kallsyms. >>> > I am trying something like this: >>> > static void __exit procfs_exit(void) >>> > { >>> > remove_proc_entry(PROCFS_NAME,&proc_root); >>> > printk(KERN_INFO "/proc/%s removed\n",PROCFS_NAME); >>> > } >>> > >>> > have included the following: >>> > #include <linux/module.h> >>> > #include <linux/kernel.h> >>> > #include <linux/proc_fs.h> >>> >>> to remove an entry in the root of /proc do: >>> >>> remove_proc_entry(PROCFS_NAME, NULL); >>> >> >> >> -- >> To unsubscribe from this list: send an email with >> "unsubscribe kernelnewbies" to [email protected] >> Please read the FAQ at http://kernelnewbies.org/FAQ >> >> > > > > -- > Regards, > Peter Teoh > -- Regards, Peter Teoh -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
