On Thu, Sep 07, 2000 at 02:25:20PM -0400, Rabeeh Khoury wrote:
> I'm running kernel 2.2.14 and i'm trying inserting modules.
>
> In the file kernel/module.c, function sys_create_module calles
> module_map which is defined as vmalloc.
>
> calling vmalloc returns a pointer to a virtual memory address in the
> memory mapped area (in my case 0xc0000000) and the kernel had an
> exception for accessing this address.
Which means that your TLB exception handlers, cache handling or something
in that area is busted, I recommend to fix that first.
> my work around was defining the following in kernel/module.c
>
> #define module_map kmalloc
> #define module_unmap kfree
>
> and it worked fine.
>
> Is this work around sufficient ?
It's ok but can be pretty wasteful on memory. It also will only work
for modules upto 128kb size. Also if choose this fix you should delete
-mlong-calls from MODFLAGS in arch/mips/Makefile as an additional
optimization.
Ralf
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