All required FEAT_LPA2 components for 52 bit PA range are already in place. Just enable CONFIG_ARM64_PA_BITS_52 on 4K and 16K pages which would select CONFIG_ARM64_PA_BITS_52_LPA2 activating 52 bit PA range via FEAT_LPA2. Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> --- arch/arm64/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1999ac6..ce139415 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -952,9 +952,9 @@ config ARM64_PA_BITS_48 config ARM64_PA_BITS_52 bool "52-bit (ARMv8.2)" - depends on ARM64_64K_PAGES depends on ARM64_PAN || !ARM64_SW_TTBR0_PAN select ARM64_PA_BITS_52_LPA if ARM64_64K_PAGES + select ARM64_PA_BITS_52_LPA2 if (ARM64_4K_PAGES || ARM64_16K_PAGES) help Enable support for a 52-bit physical address space, introduced as part of the ARMv8.2-LPA extension. -- 2.7.4
