Commit 7b3b3de3 authored Dec 10, 2020 by Cédric Le Goater Committed by Michael Ellerman Dec 11, 2020

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

parent a5021abc

arch/powerpc/Kconfig

+1 −1

Original line number	Diff line number	Diff line
		@@ -66,7 +66,7 @@ config NEED_PER_CPU_PAGE_FIRST_CHUNK

		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

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