Commit 2eafc474 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc: select CPUMASK_OFFSTACK if NR_CPUS >= 8192 



Some core kernel code starts to go beyond the 2048 byte stack size
warning at NR_CPUS=8192, so select CPUMASK_OFFSTACK in that case.
x86 does similarly for very large NR_CPUS.

Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211105035042.1398309-2-npiggin@gmail.com
parent b350111b

arch/powerpc/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -165,6 +165,7 @@ config PPC 
	select BINFMT_ELF

	select BUILDTIME_TABLE_SORT

	select CLONE_BACKWARDS

	select CPUMASK_OFFSTACK			if NR_CPUS >= 8192

	select DCACHE_WORD_ACCESS		if PPC64 && CPU_LITTLE_ENDIAN

	select DMA_OPS_BYPASS			if PPC64

	select DMA_OPS				if PPC64