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>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 60a0088..5c24382 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -250,7 +250,7 @@
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 bfe1245..a74887b 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -2471,7 +2471,7 @@
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);