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arm64: Opt-out NMI for ThunderX2

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Change-Id: I064da55e7e09e6d248c92ece5c56f9a9770c84a0
This commit is contained in:
Masamichi Takagi
2019-10-09 10:33:23 +09:00
parent caac060684
commit dca1cb2625
1 changed files with 17 additions and 1 deletions
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18
kernel/CMakeLists.txt
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@ -124,13 +124,29 @@ elseif (BUILD_TARGET STREQUAL "smp-arm64")
OUTPUT_VARIABLE CONFIG_ARM64_VHE OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND awk -F= "$1 == \"CONFIG_ARM_GIC_V3\" { print $2; exit; }" "${KERNEL_DIR}/.config"
OUTPUT_VARIABLE CONFIG_ARM_GIC_V3 OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND bash -c "gawk '/CPU implementer/ { print \$4; exit; }' /proc/cpuinfo"
OUTPUT_VARIABLE CPU_IMPLEMENTER OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND bash -c "gawk '/CPU architecture/ { print \$3; exit; }' /proc/cpuinfo"
OUTPUT_VARIABLE CPU_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND bash -c "gawk '/CPU variant/ { print \$4; exit; }' /proc/cpuinfo"
OUTPUT_VARIABLE CPU_VARIANT OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND bash -c "gawk '/CPU part/ { print \$4; exit; }' /proc/cpuinfo"
OUTPUT_VARIABLE CPU_PART OUTPUT_STRIP_TRAILING_WHITESPACE)
message("Host kernel CONFIG_NR_CPUS=${CONFIG_NR_CPUS}")
message("Host kernel CONFIG_HZ=${CONFIG_HZ}")
if(CONFIG_ARM_GIC_V3 STREQUAL "y")
add_definitions(-DCONFIG_ARM_GIC_V3=y)
#add_definitions(-DCONFIG_HAS_NMI=y)
# NMI by priority doesn't work with ThunderX2
if(CPU_IMPLEMENTER STREQUAL "0x43" AND CPU_ARCH STREQUAL "8" AND
CPU_VARIANT STREQUAL "0x1" AND CPU_PART STREQUAL "0x0af")
add_definitions(-DCONFIG_HAS_NMI=n)
message("CONFIG_HAS_NMI isn't defined for ThunderX2")
else()
add_definitions(-DCONFIG_HAS_NMI=y)
message("CONFIG_HAS_NMI is defined")
endif()
else(CONFIG_ARM_GIC_V3 STREQUAL "y")
message(FATAL_ERROR "Host kernel must have GIC v3 enabled")
endif(CONFIG_ARM_GIC_V3 STREQUAL "y")