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authorHauke Mehrtens <hauke@hauke-m.de>2019-04-07 19:38:04 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2019-05-11 17:15:41 +0200
commit2164a7bf153c364b691858d7f4555191188f7999 (patch)
treebafb7924c663a07a594dc8ed382495bb02ac34a8 /target/linux/x86
parent75eb8a146de8db0240e2eb3434074c700da2ba3c (diff)
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x86: Activate CONFIG_X86_SMAP
This activates "Supervisor Mode Access Prevention". modern CPUs will prevent the kernel code from accessing any data from the userspace without the usage of copy_to_user() or copy_from_user() Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/x86')
-rw-r--r--target/linux/x86/config-4.142
-rw-r--r--target/linux/x86/config-4.192
2 files changed, 2 insertions, 2 deletions
diff --git a/target/linux/x86/config-4.14 b/target/linux/x86/config-4.14
index ae96e4d97a..014e7b275b 100644
--- a/target/linux/x86/config-4.14
+++ b/target/linux/x86/config-4.14
@@ -505,7 +505,7 @@ CONFIG_X86_PPRO_FENCE=y
# CONFIG_X86_REBOOTFIXUPS is not set
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
CONFIG_X86_RESERVE_LOW=64
-# CONFIG_X86_SMAP is not set
+CONFIG_X86_SMAP=y
# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
# CONFIG_X86_SPEEDSTEP_ICH is not set
# CONFIG_X86_SPEEDSTEP_LIB is not set
diff --git a/target/linux/x86/config-4.19 b/target/linux/x86/config-4.19
index d395876955..d8c2d966d0 100644
--- a/target/linux/x86/config-4.19
+++ b/target/linux/x86/config-4.19
@@ -484,7 +484,7 @@ CONFIG_X86_PLATFORM_DEVICES=y
# CONFIG_X86_REBOOTFIXUPS is not set
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
CONFIG_X86_RESERVE_LOW=64
-# CONFIG_X86_SMAP is not set
+CONFIG_X86_SMAP=y
# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
# CONFIG_X86_SPEEDSTEP_ICH is not set
# CONFIG_X86_SPEEDSTEP_SMI is not set