genirq: GENERIC_IRQ_IPI depends on SMP

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 <lkp@intel.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220701200056.46555-3-samuel@sholland.org

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index d26a4ff7c99fb7dd793abe5264cc14a79d2ac515..5dd98a81efc8a38ef11b54b29ed4a08ddfe1d273 100644 (file)
--- 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
 

diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 10929eda9825829b14352ab68b82d3b4fd9bae3b..fc760d064a6532f02f4d1dcf1440556e0f26916c 100644 (file)
--- 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