powerpc: Increase NR_IRQS range to support more KVM guests
PowerNV systems can handle up to 4K guests and 1M interrupt numbers
per chip. Increase the range of allowed interrupts to support a larger
number of guests.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201210171450.1933725-8-clg@kaod.org
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2b8e47d..a5f59de 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -66,7 +66,7 @@
config NR_IRQS
int "Number of virtual interrupt numbers"
- range 32 32768
+ range 32 1048576
default "512"
help
This defines the number of virtual interrupt numbers the kernel