diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2008-12-19 13:48:34 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-19 22:56:02 +0100 |
| commit | b909895739427874c089bc0e03dc119f99cab2dd (patch) | |
| tree | bded0a68688cf8a43897b8234a6ef4abaf727985 | |
| parent | 078a55db075bf4dcc03115dc94875b3dd83f69d4 (diff) | |
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>
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/io_apic.c | 2 | ||||
| -rw-r--r-- | kernel/irq/numa_migrate.c | 11 |
3 files changed, 5 insertions, 10 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 60a008857a3..5c243826334 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -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. diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index bfe1245b1a3..a74887b416c 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -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); diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c index 0178e229699..089c3746358 100644 --- a/kernel/irq/numa_migrate.c +++ b/kernel/irq/numa_migrate.c @@ -1,13 +1,8 @@ /* - * 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> |