sparseirq: fix numa_migrate_irq_desc dependency and comments
Impact: reduce kconfig variable scope and clean up Bartlomiej pointed out that the config dependencies and comments are not right. update it depend to NUMA, and fix some comments Reported-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -250,7 +250,7 @@ config SPARSE_IRQ
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config NUMA_MIGRATE_IRQ_DESC
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bool "Move irq desc when changing irq smp_affinity"
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depends on SPARSE_IRQ && SMP
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depends on SPARSE_IRQ && NUMA
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default n
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help
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This enables moving irq_desc to cpu/node that irq will use handled.
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@ -2471,7 +2471,7 @@ static void irq_complete_move(struct irq_desc **descp)
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if (likely(!cfg->move_desc_pending))
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return;
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/* domain is not change, but affinity is changed */
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/* domain has not changed, but affinity did */
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me = smp_processor_id();
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if (cpu_isset(me, desc->affinity)) {
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*descp = desc = move_irq_desc(desc, me);
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@ -1,13 +1,8 @@
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/*
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* linux/kernel/irq/handle.c
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*
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* Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
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* Copyright (C) 2005-2006, Thomas Gleixner, Russell King
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*
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* This file contains the core interrupt handling code.
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*
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* Detailed information is available in Documentation/DocBook/genericirq
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* NUMA irq-desc migration code
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*
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* Migrate IRQ data structures (irq_desc, chip_data, etc.) over to
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* the new "home node" of the IRQ.
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*/
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#include <linux/irq.h>
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