From: Samuel Holland Date: Fri, 1 Jul 2022 20:00:50 +0000 (-0500) Subject: genirq: GENERIC_IRQ_IPI depends on SMP X-Git-Tag: v5.10.137~458 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=8dfb4a99b1c8aef00bda42a8a9b88fe96b4fcc60;p=users%2Fdwmw2%2Flinux.git genirq: GENERIC_IRQ_IPI depends on SMP [ Upstream commit 0f5209fee90b4544c58b4278d944425292789967 ] The generic IPI code depends on the IRQ affinity mask being allocated and initialized. This will not be the case if SMP is disabled. Fix up the remaining driver that selected GENERIC_IRQ_IPI in a non-SMP config. Reported-by: kernel test robot Signed-off-by: Samuel Holland Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20220701200056.46555-3-samuel@sholland.org Signed-off-by: Sasha Levin --- diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index c4b971cd239d2..3c24bf45263ce 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -178,7 +178,7 @@ config MADERA_IRQ config IRQ_MIPS_CPU bool select GENERIC_IRQ_CHIP - select GENERIC_IRQ_IPI if SYS_SUPPORTS_MULTITHREADING + select GENERIC_IRQ_IPI if SMP && SYS_SUPPORTS_MULTITHREADING select IRQ_DOMAIN select GENERIC_IRQ_EFFECTIVE_AFF_MASK diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index 164a031cfdb66..0f2a44fc09719 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -82,6 +82,7 @@ config IRQ_FASTEOI_HIERARCHY_HANDLERS # Generic IRQ IPI support config GENERIC_IRQ_IPI bool + depends on SMP select IRQ_DOMAIN_HIERARCHY # Generic MSI interrupt support