提交 b9098957 编写于 作者: Y Yinghai Lu 提交者: Ingo Molnar

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: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: NYinghai Lu <yinghai@kernel.org>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 078a55db
......@@ -250,7 +250,7 @@ config SPARSE_IRQ
config NUMA_MIGRATE_IRQ_DESC
bool "Move irq desc when changing irq smp_affinity"
depends on SPARSE_IRQ && SMP
depends on SPARSE_IRQ && NUMA
default n
help
This enables moving irq_desc to cpu/node that irq will use handled.
......
......@@ -2471,7 +2471,7 @@ static void irq_complete_move(struct irq_desc **descp)
if (likely(!cfg->move_desc_pending))
return;
/* domain is not change, but affinity is changed */
/* domain has not changed, but affinity did */
me = smp_processor_id();
if (cpu_isset(me, desc->affinity)) {
*descp = desc = move_irq_desc(desc, me);
......
/*
* linux/kernel/irq/handle.c
*
* Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
* Copyright (C) 2005-2006, Thomas Gleixner, Russell King
*
* This file contains the core interrupt handling code.
*
* Detailed information is available in Documentation/DocBook/genericirq
* NUMA irq-desc migration code
*
* Migrate IRQ data structures (irq_desc, chip_data, etc.) over to
* the new "home node" of the IRQ.
*/
#include <linux/irq.h>
......
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