Commit 211102d8 authored Apr 20, 2016 by Stuart Yoder Committed by Shawn Guo Apr 27, 2016

arm64: defconfig: enable 48-bit virtual addresses



Some armv8 SoCs (e.g. ls2080a) have physical memory maps with discontiguous
DDR regions that require 48-bit VA to have the linear map cover the entire
range of DDR.

Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

parent 7bd2c71b

arch/arm64/configs/defconfig

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -61,6 +61,7 @@ CONFIG_PCI_XGENE=y
	CONFIG_PCI_LAYERSCAPE=y		CONFIG_PCI_LAYERSCAPE=y
	CONFIG_PCI_HISI=y		CONFIG_PCI_HISI=y
	CONFIG_PCIE_QCOM=y		CONFIG_PCIE_QCOM=y
			CONFIG_ARM64_VA_BITS_48=y
	CONFIG_SCHED_MC=y		CONFIG_SCHED_MC=y
	CONFIG_PREEMPT=y		CONFIG_PREEMPT=y
	CONFIG_KSM=y		CONFIG_KSM=y