From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
commit c528ef0888b75f673f7d48022de8d31d5b451e8c upstream.
Current nommu_virt_defconfig can't compile:
In file included from
arch/riscv/kernel/crash_core.c:3:
arch/riscv/kernel/crash_core.c:
In function 'arch_crash_save_vmcoreinfo':
arch/riscv/kernel/crash_core.c:8:27:
error: 'VA_BITS' undeclared (first use in this function)
8 | VMCOREINFO_NUMBER(VA_BITS);
| ^~~~~~~
Add MMU dependency for KEXEC_FILE.
Fixes: 6261586e0c91 ("RISC-V: Add kexec_file support")
Reported-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Guo Ren <guoren@xxxxxxxxxx>
Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Tested-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221207091112.2258674-1-guoren@xxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/riscv/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -502,7 +502,7 @@ config KEXEC_FILE
select KEXEC_CORE
select KEXEC_ELF
select HAVE_IMA_KEXEC if IMA
- depends on 64BIT
+ depends on 64BIT && MMU
help
This is new version of kexec system call. This system call is
file based and takes file descriptors as system call argument
