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Subject[PATCH] riscv: kexec: build {kexec_relocate,crash_save_regs,machine_kexec}.c as kexec core files
This fixes below linking errors when building with CONFIG_KEXEC_FILE=y &&
CONFIG_KEXEC=n. The {kexec_relocate,crash_save_regs,machine_kexec}.c should
be core kexec source files.

riscv64-linux-gnu-ld: kernel/kexec_core.o: in function `kimage_free':
/home/changbin/work/linux-riscv/kernel/kexec_core.c:651: undefined reference to `machine_kexec_cleanup'
riscv64-linux-gnu-ld: kernel/kexec_core.o: in function `__crash_kexec':
/home/changbin/work/linux-riscv/kernel/kexec_core.c:981: undefined reference to `machine_crash_shutdown'
riscv64-linux-gnu-ld: /home/changbin/work/linux-riscv/kernel/kexec_core.c:982: undefined reference to `machine_kexec'
riscv64-linux-gnu-ld: kernel/kexec_core.o: in function `crash_setup_regs':
/home/changbin/work/linux-riscv/./arch/riscv/include/asm/kexec.h:35: undefined reference to `riscv_crash_save_regs'
riscv64-linux-gnu-ld: kernel/kexec_core.o: in function `kernel_kexec':
/home/changbin/work/linux-riscv/kernel/kexec_core.c:1200: undefined reference to `machine_shutdown'
riscv64-linux-gnu-ld: /home/changbin/work/linux-riscv/kernel/kexec_core.c:1204: undefined reference to `machine_kexec'
riscv64-linux-gnu-ld: kernel/kexec_file.o: in function `__do_sys_kexec_file_load':
/home/changbin/work/linux-riscv/kernel/kexec_file.c:363: undefined reference to `machine_kexec_prepare'
riscv64-linux-gnu-ld: /home/changbin/work/linux-riscv/kernel/kexec_file.c:363: undefined reference to `machine_kexec_prepare'
make: *** [Makefile:1160: vmlinux] Error 1

Signed-off-by: Changbin Du <changbin.du@huawei.com>
---
arch/riscv/kernel/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index c71d6591d539..33bb60a354cd 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -78,7 +78,7 @@ obj-$(CONFIG_SMP) += cpu_ops_sbi.o
endif
obj-$(CONFIG_HOTPLUG_CPU) += cpu-hotplug.o
obj-$(CONFIG_KGDB) += kgdb.o
-obj-$(CONFIG_KEXEC) += kexec_relocate.o crash_save_regs.o machine_kexec.o
+obj-$(CONFIG_KEXEC_CORE) += kexec_relocate.o crash_save_regs.o machine_kexec.o
obj-$(CONFIG_KEXEC_FILE) += elf_kexec.o machine_kexec_file.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o

--
2.26.2

--
Cheers,
Changbin Du

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