[RFC V2 10/10] arm64/mm: Enable CONFIG_ARM64_PA_BITS_52 on CONFIG_ARM64_[4K|16K]_PAGES

From: Anshuman Khandual
Date: Mon Jul 26 2021 - 02:37:38 EST


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