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genirq: Let GENERIC_IRQ_IPI select IRQ_DOMAIN_HIERARCHY 

[ Upstream commit 151a535171be6ff824a0a3875553ea38570f4c05 ]

kernel/irq/ipi.c otherwise fails to compile if nothing else
selects it.

Fixes: 379b656446 ("genirq: Add GENERIC_IRQ_IPI Kconfig symbol")
Reported-by: Pavel Machek <pavel@ucw.cz>
Tested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201015101222.GA32747@amd
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Marc Zyngier 2020-10-15 21:41:44 +01:00 committed by Greg Kroah-Hartman
parent bb8c6bd53c
commit bb2b60242c
1 changed files with 1 additions and 0 deletions
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kernel/irq/Kconfig
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@ -81,6 +81,7 @@ config IRQ_FASTEOI_HIERARCHY_HANDLERS
# Generic IRQ IPI support
config GENERIC_IRQ_IPI
bool
select IRQ_DOMAIN_HIERARCHY
# Generic MSI interrupt support
config GENERIC_MSI_IRQ