[tip: irq/urgent] genirq: Let GENERIC_IRQ_IPI select IRQ_DOMAIN_HIERARCHY

[tip-bot2 for Marc Zyngier]

The following commit has been merged into the irq/urgent branch of tip:

Commit-ID:     151a535171be6ff824a0a3875553ea38570f4c05
Gitweb:        https://git.kernel.org/tip/151a535171be6ff824a0a3875553ea38570f4c05
Author:        Marc Zyngier <maz@xxxxxxxxxx>
AuthorDate:    Thu, 15 Oct 2020 21:41:44 +01:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Thu, 15 Oct 2020 21:41:44 +01:00

genirq: Let GENERIC_IRQ_IPI select IRQ_DOMAIN_HIERARCHY

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

Fixes: 379b656446a3 ("genirq: Add GENERIC_IRQ_IPI Kconfig symbol")
Reported-by: Pavel Machek <pavel@xxxxxx>
Tested-by: Pavel Machek <pavel@xxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201015101222.GA32747@amd
---
 kernel/irq/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 10a5aff..164a031 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
+	select IRQ_DOMAIN_HIERARCHY
 
 # Generic MSI interrupt support
 config GENERIC_MSI_IRQ