A good break down of what needs to be done for the Linux kernel 2.6 (which might be coming out as soon as in November) can be found on LWN and on KernelTrap.
The Linux Kernel 2.6 Todo List
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Eugenia Loli
Ex-programmer, ex-editor in chief at OSNews.com, now a visual artist/filmmaker.
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Glad to see they’re still working to remove the BKL. It was a cool hack for the time (trying to bring a kernel which was definately NOT designed for SMP into the SMP world). Linux seems to have accumulated quite a bit of kruft like this over the years, and it’s nice to see it getting cleaned up.
I will like this
XFS (A journaling filesystem from SGI
At this point the Kernel supports most of what standard people use. If you use SMP, weird architecures it might be useful.
It is nice to see them clean stuff up. There are still too many this device is experimental drivers in the current kernel and these need to be fixed sometime.
Good work Kernel team