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authorAlex Shi <alex.shi@linaro.org>2018-01-08 12:01:03 +0800
committerAlex Shi <alex.shi@linaro.org>2018-01-08 12:01:03 +0800
commit9c95ff4010dad00b22cc2cc32cad952059f59bd7 (patch)
tree5724c8b4340c675320f7774673619c82a557cc7f /security
parent95d4cbea0249e2fe483a981024501cdf7b0de55b (diff)
parentb3e3db15b45027e3b77ec7f722e2b7210b1bf726 (diff)
Merge tag 'v4.4.110' into linux-linaro-lsk-v4.4
This is the 4.4.110 stable release
Diffstat (limited to 'security')
-rw-r--r--security/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/security/Kconfig b/security/Kconfig
index ddb3e8a8d9bd..4976e8baf801 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -31,6 +31,16 @@ config SECURITY
If you are unsure how to answer this question, answer N.
+config PAGE_TABLE_ISOLATION
+ bool "Remove the kernel mapping in user mode"
+ default y
+ depends on X86_64 && SMP
+ help
+ This enforces a strict kernel and user space isolation, in order
+ to close hardware side channels on kernel address information.
+
+ If you are unsure how to answer this question, answer Y.
+
config SECURITYFS
bool "Enable the securityfs filesystem"
help