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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>
openwrt-19.07
Hauke Mehrtens 2019-04-07 19:38:04 +02:00
parent 75eb8a146d
commit 2164a7bf15
2 changed files with 2 additions and 2 deletions
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2
target/linux/x86/config-4.14
View File

@ -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

2
target/linux/x86/config-4.19
View File

@ -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