Messages in this thread Patch in this message | | | Date | Sat, 30 Nov 2013 06:27:23 -0800 | From | tip-bot for Ingo Molnar <> | Subject | [tip:core/locking] Revert "smp/cpumask: Make CONFIG_CPUMASK_OFFSTACK=y usable without debug dependency" |
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Commit-ID: 962d9c5757b2ebd30678a88a4f475ae997f4d5dd Gitweb: http://git.kernel.org/tip/962d9c5757b2ebd30678a88a4f475ae997f4d5dd Author: Ingo Molnar <mingo@kernel.org> AuthorDate: Sat, 30 Nov 2013 15:20:15 +0100 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Sat, 30 Nov 2013 15:20:15 +0100
Revert "smp/cpumask: Make CONFIG_CPUMASK_OFFSTACK=y usable without debug dependency"
This reverts commit 9dd1220114e00d8ec5cdc20085bbe198b21e1985.
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> --- lib/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/lib/Kconfig b/lib/Kconfig index 3f7fb4d..06dc742 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -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
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