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boards: arm: twr_ke18f: only enable HW stack protection if !userspace #31148

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Merged
merged 1 commit into from
Jan 12, 2021
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boards: arm: twr_ke18f: only enable HW stack protection if !userspace #31148

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5 changes: 5 additions & 0 deletions boards/arm/twr_ke18f/Kconfig.defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -22,4 +22,9 @@ config TEMP_KINETIS
default y if "$(dt_nodelabel_enabled,adc0)"
depends on SENSOR && ADC

# The KE1xF has 8 MPU regions, which is not enough for both HW stack protection
# and userspace. Only enable HW stack protection if userspace is not enabled.
config HW_STACK_PROTECTION
default y if !USERSPACE

endif # BOARD_TWR_KE18F
1 change: 0 additions & 1 deletion boards/arm/twr_ke18f/twr_ke18f_defconfig
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Expand Up @@ -14,4 +14,3 @@ CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=120000000

# Enable MPU
CONFIG_ARM_MPU=y
CONFIG_HW_STACK_PROTECTION=y