2022-10-10 02:37:05

by Tiezhu Yang

[permalink] [raw]
Subject: [PATCH] irqchip: LoongArch: Select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP

An IRQ's effective affinity can only be different from its configured
affinity if there are multiple CPUs. Make it clear that this option is
only meaningful when SMP is enabled.

Signed-off-by: Tiezhu Yang <[email protected]>
---

This patch is based on tip.git irq/core,
it is conflicted with torvalds/linux.git

drivers/irqchip/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 4d85a18..39710af 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -574,7 +574,7 @@ config IRQ_LOONGARCH_CPU
bool
select GENERIC_IRQ_CHIP
select IRQ_DOMAIN
- select GENERIC_IRQ_EFFECTIVE_AFF_MASK
+ select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP
help
Support for the LoongArch CPU Interrupt Controller. For details of
irq chip hierarchy on LoongArch platforms please read the document
--
2.1.0