Messages in this thread Patch in this message | | | From | Anup Patel <> | Subject | [PATCH v2] RISC-V: Add fragmented config for debug options | Date | Thu, 5 Dec 2019 17:49:18 +0000 |
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Various Linux kernel DEBUG options have big performance impact so these should not be enabled in RISC-V normal defconfigs.
Instead we should have separate RISC-V fragmented config for enabling these DEBUG options. This way Linux RISC-V kernel can be built for both non-debug and debug purposes using same defconfig.
This patch moves additional DEBUG options to extra_debug.config.
To configure a non-debug RV64 kernel, we use our normal defconfig: $ make O=<linux_build_directory> defconfig Wherease to configure a debug RV64 kernel, we use extra_debug.config: $ make O=<linux_build_directory> defconfig extra_debug.config
Signed-off-by: Anup Patel <anup.patel@wdc.com> --- Changes since v1: - Use fragmented .config instead of separate debug defconfigs. --- arch/riscv/configs/defconfig | 23 ----------------------- arch/riscv/configs/extra_debug.config | 21 +++++++++++++++++++++ arch/riscv/configs/rv32_defconfig | 23 ----------------------- 3 files changed, 21 insertions(+), 46 deletions(-) create mode 100644 arch/riscv/configs/extra_debug.config
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index e2ff95cb3390..f0710d8f50cc 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -101,27 +101,4 @@ CONFIG_CRYPTO_USER_API_HASH=y CONFIG_CRYPTO_DEV_VIRTIO=y CONFIG_PRINTK_TIME=y CONFIG_DEBUG_FS=y -CONFIG_DEBUG_PAGEALLOC=y -CONFIG_DEBUG_VM=y -CONFIG_DEBUG_VM_PGFLAGS=y -CONFIG_DEBUG_MEMORY_INIT=y -CONFIG_DEBUG_PER_CPU_MAPS=y -CONFIG_SOFTLOCKUP_DETECTOR=y -CONFIG_WQ_WATCHDOG=y -CONFIG_SCHED_STACK_END_CHECK=y -CONFIG_DEBUG_TIMEKEEPING=y -CONFIG_DEBUG_RT_MUTEXES=y -CONFIG_DEBUG_SPINLOCK=y -CONFIG_DEBUG_MUTEXES=y -CONFIG_DEBUG_RWSEMS=y -CONFIG_DEBUG_ATOMIC_SLEEP=y -CONFIG_STACKTRACE=y -CONFIG_DEBUG_LIST=y -CONFIG_DEBUG_PLIST=y -CONFIG_DEBUG_SG=y # CONFIG_RCU_TRACE is not set -CONFIG_RCU_EQS_DEBUG=y -CONFIG_DEBUG_BLOCK_EXT_DEVT=y -# CONFIG_FTRACE is not set -# CONFIG_RUNTIME_TESTING_MENU is not set -CONFIG_MEMTEST=y diff --git a/arch/riscv/configs/extra_debug.config b/arch/riscv/configs/extra_debug.config new file mode 100644 index 000000000000..66c58bb645a4 --- /dev/null +++ b/arch/riscv/configs/extra_debug.config @@ -0,0 +1,21 @@ +CONFIG_DEBUG_PAGEALLOC=y +CONFIG_DEBUG_VM=y +CONFIG_DEBUG_VM_PGFLAGS=y +CONFIG_DEBUG_MEMORY_INIT=y +CONFIG_DEBUG_PER_CPU_MAPS=y +CONFIG_SOFTLOCKUP_DETECTOR=y +CONFIG_WQ_WATCHDOG=y +CONFIG_SCHED_STACK_END_CHECK=y +CONFIG_DEBUG_TIMEKEEPING=y +CONFIG_DEBUG_RT_MUTEXES=y +CONFIG_DEBUG_SPINLOCK=y +CONFIG_DEBUG_MUTEXES=y +CONFIG_DEBUG_RWSEMS=y +CONFIG_DEBUG_ATOMIC_SLEEP=y +CONFIG_STACKTRACE=y +CONFIG_DEBUG_LIST=y +CONFIG_DEBUG_PLIST=y +CONFIG_DEBUG_SG=y +CONFIG_RCU_EQS_DEBUG=y +CONFIG_DEBUG_BLOCK_EXT_DEVT=y +CONFIG_MEMTEST=y diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig index eb519407c841..bdec58e6c5f7 100644 --- a/arch/riscv/configs/rv32_defconfig +++ b/arch/riscv/configs/rv32_defconfig @@ -98,27 +98,4 @@ CONFIG_CRYPTO_USER_API_HASH=y CONFIG_CRYPTO_DEV_VIRTIO=y CONFIG_PRINTK_TIME=y CONFIG_DEBUG_FS=y -CONFIG_DEBUG_PAGEALLOC=y -CONFIG_DEBUG_VM=y -CONFIG_DEBUG_VM_PGFLAGS=y -CONFIG_DEBUG_MEMORY_INIT=y -CONFIG_DEBUG_PER_CPU_MAPS=y -CONFIG_SOFTLOCKUP_DETECTOR=y -CONFIG_WQ_WATCHDOG=y -CONFIG_SCHED_STACK_END_CHECK=y -CONFIG_DEBUG_TIMEKEEPING=y -CONFIG_DEBUG_RT_MUTEXES=y -CONFIG_DEBUG_SPINLOCK=y -CONFIG_DEBUG_MUTEXES=y -CONFIG_DEBUG_RWSEMS=y -CONFIG_DEBUG_ATOMIC_SLEEP=y -CONFIG_STACKTRACE=y -CONFIG_DEBUG_LIST=y -CONFIG_DEBUG_PLIST=y -CONFIG_DEBUG_SG=y # CONFIG_RCU_TRACE is not set -CONFIG_RCU_EQS_DEBUG=y -CONFIG_DEBUG_BLOCK_EXT_DEVT=y -# CONFIG_FTRACE is not set -# CONFIG_RUNTIME_TESTING_MENU is not set -CONFIG_MEMTEST=y -- 2.17.1
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