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x86/pti: Enable PTI by default
author
Thomas Gleixner
<tglx@linutronix.de>
Wed, 3 Jan 2018 14:18:44 +0000
(15:18 +0100)
committer
Thomas Gleixner
<tglx@linutronix.de>
Wed, 3 Jan 2018 14:57:58 +0000
(15:57 +0100)
This really want's to be enabled by default. Users who know what they are
doing can disable it either in the config or on the kernel command line.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
security/Kconfig
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diff --git
a/security/Kconfig
b/security/Kconfig
index
a623d13
..
3d4debd
100644
(file)
--- a/
security/Kconfig
+++ b/
security/Kconfig
@@
-56,6
+56,7
@@
config SECURITY_NETWORK
config PAGE_TABLE_ISOLATION
bool "Remove the kernel mapping in user mode"
+ default y
depends on X86_64 && !UML
help
This feature reduces the number of hardware side channels by