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authorSami Tolvanen <samitolvanen@google.com>2016-12-20 05:19:43 -0800
committerAmit Pundir <amit.pundir@linaro.org>2017-01-16 15:40:04 +0530
commitf1d0f40b209060909c7258099908c4ea5a0d6bc2 (patch)
treec9c54047c129dbe52bd7ed01161c8a732820b8b5 /arch
parent8b496701188f07a1c4821d833337e4a0998191b9 (diff)
Revert "FROMLIST: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN"
This reverts commit b29a4f1fe55b1413c4b0b25530728cfa1956add5. Bug: 31432001 Change-Id: Iade6246b643b3f0cd9939d28f25bebecdaeec9c7 Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/Kconfig8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 1f282b96be05..6a22ef746994 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -718,14 +718,6 @@ 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_PAN