Revert "FROMLIST: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN"

This reverts commit 67cd3bda54dadba4f8892105adf9c2f3982bfa0a.

Bug: 31432001
Change-Id: I1e5836ce0b41b2262d95c5c4c49ace3b96ae0b1f
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 2543791ce8c2ea95903a850e794effca827358a4..91a2f4d4c970b60a6d512ed3aa0b379f1e8c711e 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -719,14 +719,6 @@ config SETEND_EMULATION
          If unsure, say Y
 endif
 
-config ARM64_SW_TTBR0_PAN
-       bool "Emulate Priviledged Access Never using TTBR0_EL1 switching"
-       help
-         Enabling this option prevents the kernel from accessing
-         user-space memory directly by pointing TTBR0_EL1 to a reserved
-         zeroed area and reserved ASID. The user access routines
-         restore the valid TTBR0_EL1 temporarily.
-
 menu "ARMv8.1 architectural features"
 
 config ARM64_HW_AFDBM