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

This reverts commit 9dd1220114.

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: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2013-11-30 15:20:15 +01:00
parent 854ff82ab0
commit 962d9c5757
1 changed files with 1 additions and 2 deletions
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lib/Kconfig
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@ -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