cpumask: Add CONFIG_CPUMASK_OFFSTACK
Impact: Add config option to enable code in cpumask.h Currently it can be set if DEBUG_PER_CPU_MAPS, or set specifically by an arch. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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@ -157,4 +157,11 @@ config CHECK_SIGNATURE
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config HAVE_LMB
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config HAVE_LMB
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boolean
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boolean
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config CPUMASK_OFFSTACK
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bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
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help
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Use dynamic allocation for cpumask_var_t, instead of putting
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them on the stack. This is a bit more expensive, but avoids
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stack overflow.
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endmenu
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endmenu
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