From 1062fc45d1e93faefb93961f3be0a687f3f0e2e1 Mon Sep 17 00:00:00 2001 From: Tiezhu Yang Date: Sun, 11 Oct 2020 07:47:51 +0800 Subject: [PATCH] MIPS: Loongson64: Select SMP in Kconfig to avoid build error In the current code, CONFIG_SMP can be set as N by user on the Loongson platform, then there exists the following build error under !CONFIG_SMP: CC arch/mips/kernel/asm-offsets.s In file included from ./include/linux/gfp.h:9:0, from ./include/linux/xarray.h:14, from ./include/linux/radix-tree.h:18, from ./include/linux/fs.h:15, from ./include/linux/compat.h:17, from arch/mips/kernel/asm-offsets.c:12: ./include/linux/topology.h: In function 'numa_node_id': ./include/linux/topology.h:119:2: error: implicit declaration of function 'cpu_logical_map' [-Werror=implicit-function-declaration] return cpu_to_node(raw_smp_processor_id()); ^ cc1: some warnings being treated as errors scripts/Makefile.build:117: recipe for target 'arch/mips/kernel/asm-offsets.s' failed make[1]: *** [arch/mips/kernel/asm-offsets.s] Error 1 Select SMP in Kconfig to avoid the above build error and then remove CONFIG_SMP=y in loongson3_defconfig. Signed-off-by: Tiezhu Yang Signed-off-by: Thomas Bogendoerfer --- arch/mips/Kconfig | 1 + arch/mips/configs/loongson3_defconfig | 1 - 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index b557fa578e62..75f26d1f11ab 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -488,6 +488,7 @@ config MACH_LOONGSON64 select SYS_SUPPORTS_ZBOOT select ZONE_DMA32 select NUMA + select SMP select COMMON_CLK select USE_OF select BUILTIN_DTB diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig index a5005c8cee8a..38a817ead8e7 100644 --- a/arch/mips/configs/loongson3_defconfig +++ b/arch/mips/configs/loongson3_defconfig @@ -30,7 +30,6 @@ CONFIG_EMBEDDED=y CONFIG_PERF_EVENTS=y CONFIG_MACH_LOONGSON64=y CONFIG_CPU_HAS_MSA=y -CONFIG_SMP=y CONFIG_NR_CPUS=16 CONFIG_HZ_256=y CONFIG_KEXEC=y