Re: Can't call function provided by kernel

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On Thu, 9 Dec 2004 16:10:54 +0800, Jacky <jacky@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi all,
> 
> I'm writing a kernel module in kernel 2.6.x. I called local_flush_tlb_all() in my module
> and there is no error or warning during compiling time. The code fragment is as follow:
> 
> #include <asm/tlbflush.h>
> 
> void tlb_flush()
> {
>    ....
>    local_flush_tlb_all();
>    ....
> }
> 
> But when i insert this module into kernel, the message below is displayed:
>    mymodule: Unknown symbol local_flush_tlb_all
>    insmod: cannot insert `./mymodule.ko': Success (2): Success
> 
> Please do help!!
> 
> TIA
> 
> With regards,
> 
> Jacky Hsu
> 

It means that function it is not exported by the kernel.
see your symbol table
cat /proc/ksyms | grep local_flush_tlb_all

BTW: What arch are you working on and why do you want to do that???


-- 
Manish Regmi

--
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