Messages in this thread Patch in this message | | | From | Samuel Holland <> | Subject | [PATCH v2 2/6] genirq: GENERIC_IRQ_IPI depends on SMP | Date | Thu, 16 Jun 2022 01:40:24 -0500 |
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The generic IPI code depends on the affinity mask being set for IPI IRQs. The affinity mask will not be allocated if SMP is disabled.
Signed-off-by: Samuel Holland <samuel@sholland.org> ---
Changes in v2: - New patch to prevent GENERIC_IRQ_IPI from being selected on !SMP
drivers/irqchip/Kconfig | 4 ++-- kernel/irq/Kconfig | 1 + 2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 6f74c144a7cc..68be9eccc897 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -177,7 +177,7 @@ 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 if SMP @@ -322,7 +322,7 @@ config KEYSTONE_IRQ config MIPS_GIC bool - select GENERIC_IRQ_IPI + select GENERIC_IRQ_IPI if SMP select MIPS_CM config INGENIC_IRQ diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index a2a8df39c2bc..db3d174c53d4 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -83,6 +83,7 @@ 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 -- 2.35.1
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