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Commit 962d9c57 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Revert "smp/cpumask: Make CONFIG_CPUMASK_OFFSTACK=y usable without debug dependency" 

This reverts commit 9dd12201.

Revert it until Linus's concerns are addressed: this option should not
allow nonsensical CONFIG_CPUMASK_OFFSTACK and CONFIG_NR_CPUS values, and
it should probably select sane defaults as well.

Cc: Josh Boyer <jwboyer@fedoraproject.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-etcruvuw9neycYf0Rripxrjv@git.kernel.org


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 854ff82a

lib/Kconfig

+1 −2
Original line number Diff line number Diff line
@@ -342,8 +342,7 @@ config CHECK_SIGNATURE 
	bool



config CPUMASK_OFFSTACK

	bool "Force CPU masks off stack"

	depends on SMP

	bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS

	help

	  Use dynamic allocation for cpumask_var_t, instead of putting

	  them on the stack.  This is a bit more expensive, but avoids