Re: Updated Linux kernel preemption patches

[Cliff Albert <cliff@oisec.net>]

On Sun, Aug 26, 2001 at 09:57:43PM -0400, Robert Love wrote:

> Available at:
> 
> http://tech9.net/rml/linux/patch-rml-2.4.9-preempt-kernel-1
> http://tech9.net/rml/linux/patch-rml-2.4.8-ac12-preempt-kernel-1
> 
> for kernel 2.4.9 and 2.4.8-ac12, respectively.
> 
> This is a straight update of Nigel Gamble's Linux kernel preemption
> patch from http://kpreempt.sourceforge.net, updated for the above
> kernels.  Thus, this is Nigel's code -- I merely updated it.
> 
> I am eager to see work done on the patch and to see what its future may
> be.  If you are in any way interested in application latency or
> real-time support, I suggest you check this out.  If you are just
> curious, its an interesting patch none-the-less.

Kernel won't compile when this patch is applied to 2.4.8-ac12

kernel/kernel.o: In function `mmput':
kernel/kernel.o(.text+0x1853): undefined reference to `atomic_dec_and_lock'
kernel/kernel.o: In function `free_uid':
kernel/kernel.o(.text+0xaea0): undefined reference to `atomic_dec_and_lock'
fs/fs.o: In function `kill_super':
fs/fs.o(.text+0x7002): undefined reference to `atomic_dec_and_lock'
fs/fs.o: In function `dput':
fs/fs.o(.text+0x13365): undefined reference to `atomic_dec_and_lock'
fs/fs.o: In function `iput':
fs/fs.o(.text+0x15ed2): undefined reference to `atomic_dec_and_lock'


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