linux-kernel - [PATCH v2] irqchip: LoongArch: Select GENERIC_IRQ_EFFECTIVE_AFF

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Message-Id: <1666841949-5244-1-git-send-email-yangtiezhu@loongson.cn>
Date:   Thu, 27 Oct 2022 11:39:09 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Thomas Gleixner <tglx@...utronix.de>, Marc Zyngier <maz@...nel.org>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH v2] 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 <yangtiezhu@...ngson.cn>
---

v2: rebased on 6.1-rc2

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

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 7ef9f5e..8461915 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -575,7 +575,7 @@ 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_LIOINTC
 	select LOONGSON_EIOINTC
 	select LOONGSON_PCH_PIC
-- 
2.1.0