Re: [GIT, RFC] Killing the Big Kernel Lock

[Ingo Molnar]

* Arnd Bergmann <arnd@xxxxxxxx> wrote:

> I've built-tested an allmodconfig kernel with CONFIG_BKL disabled on x86_64, 
> i386, powerpc64, powerpc32, s390 and arm to make sure I catch all the 
> modules that depend on BKL, and I've been running various versions of this 
> tree on my desktop machine over the last few weeks while adding stuff.

Very nice work!

How about going one step further:

 - remove CONFIG_BKL altogether
 - remove all the remains of the BKL code in lib/kernel_lock.c and kernel/sched.c
 - turn lock_kernel() into a WARN_ONCE() and unlock_kernel() into a NOP.
 - ...
 - Celebrate! :-)

	Ingo
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