Re: Problems compiling kernel modules

From: Alan Cox
Date: Mon Aug 23 2004 - 11:07:20 EST


On Llu, 2004-08-23 at 15:39, Lei Yang wrote:
> Thanks! I did less /var/log/messages, and got the unknown symbols
> Unknown symbol __divsf3
> Unknown symbol __fixsfsi
> Unknown symbol __subsf3
> Unknown symbol __floatsisf
> Unknown symbol __mulsf3
> Unknown symbol __gesf2
> Unknown symbol __addsf3
>
> However, I don't know what those symbols are :( I am a bit worried that
> maybe I've done something that is not supported by the kernel, like
> left-shift 16 bits of an int, or floating operations.

You are correct - the kernel doesn't support floating point operations
used in kernel space unless you do some fairly tricky stuff.

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