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genirq: GENERIC_IRQ_IPI depends on SMP

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[ Upstream commit 0f5209fee9 ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Samuel Holland 2022-07-01 15:00:50 -05:00 committed by Greg Kroah-Hartman
parent f460141f29
commit 8dfb4a99b1
2 changed files with 2 additions and 1 deletions
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2
drivers/irqchip/Kconfig
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@ -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

1
kernel/irq/Kconfig
View file

@ -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