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authorHauke Mehrtens <hauke@hauke-m.de>2019-04-07 18:06:34 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2019-05-11 17:15:41 +0200
commit32eb66881c7f71004d35e904f89651e6a2d64214 (patch)
tree657d4f212d33d3c0cf06588e0054a349ded6d59c /target/linux/layerscape/armv8_64b
parent9b1239451d6598f39b3689c8c6e0d6147965e601 (diff)
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kernel: Activate CONFIG_ARM64_SW_TTBR0_PAN
This activates "Emulate Privileged Access Never using TTBR0_EL1 switching" on ARM64. This should prevent the kernel from reading code from user space in kernel context. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/layerscape/armv8_64b')
-rw-r--r--target/linux/layerscape/armv8_64b/config-4.141
1 files changed, 0 insertions, 1 deletions
diff --git a/target/linux/layerscape/armv8_64b/config-4.14 b/target/linux/layerscape/armv8_64b/config-4.14
index 782da4e3fb..b925c3c03e 100644
--- a/target/linux/layerscape/armv8_64b/config-4.14
+++ b/target/linux/layerscape/armv8_64b/config-4.14
@@ -65,7 +65,6 @@ CONFIG_ARM64_PAN=y
# CONFIG_ARM64_PTDUMP_DEBUGFS is not set
# CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set
CONFIG_ARM64_SSBD=y
-# CONFIG_ARM64_SW_TTBR0_PAN is not set
CONFIG_ARM64_UAO=y
CONFIG_ARM64_VA_BITS=48
# CONFIG_ARM64_VA_BITS_39 is not set