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Revert "FROMLIST: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN"
author
Sami Tolvanen
<samitolvanen@google.com>
Wed, 14 Dec 2016 20:31:55 +0000
(12:31 -0800)
committer
Sami Tolvanen
<samitolvanen@google.com>
Wed, 4 Jan 2017 17:02:08 +0000
(09:02 -0800)
This reverts commit
67cd3bda54dadba4f8892105adf9c2f3982bfa0a
.
Bug:
31432001
Change-Id: I1e5836ce0b41b2262d95c5c4c49ace3b96ae0b1f
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
arch/arm64/Kconfig
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diff --git
a/arch/arm64/Kconfig
b/arch/arm64/Kconfig
index
a4d3c3c
..
095a3af
100644
(file)
--- a/
arch/arm64/Kconfig
+++ b/
arch/arm64/Kconfig
@@
-706,14
+706,6
@@
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