linux-kernel - [tip: irq/core] irqchip/loongson: Select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP for IRQ_LOONGARCH

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Date: Tue, 09 Apr 2024 09:08:01 -0000
From: "tip-bot2 for Tiezhu Yang" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Tiezhu Yang <yangtiezhu@...ngson.cn>, Thomas Gleixner <tglx@...utronix.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/core] irqchip/loongson: Select
 GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP for IRQ_LOONGARCH_CPU

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     42a7d887664b02a747ef5d479f6fd01081564af8
Gitweb:        https://git.kernel.org/tip/42a7d887664b02a747ef5d479f6fd01081564af8
Author:        Tiezhu Yang <yangtiezhu@...ngson.cn>
AuthorDate:    Tue, 26 Mar 2024 20:11:29 +08:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 09 Apr 2024 11:03:16 +02:00

irqchip/loongson: Select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP for IRQ_LOONGARCH_CPU

An interrupt'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. Otherwise, there exists "WARNING: unmet
direct dependencies detected for GENERIC_IRQ_EFFECTIVE_AFF_MASK" when make
menuconfig if CONFIG_SMP is not set on LoongArch.

Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20240326121130.16622-3-yangtiezhu@loongson.cn

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

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 687d17e..1446471 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -593,7 +593,7 @@ 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
 	select LOONGSON_HTVEC
 	select LOONGSON_LIOINTC
 	select LOONGSON_EIOINTC