From: Guo Ren guoren@linux.alibaba.com
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@microchip.com Reported-by: kernel test robot lkp@intel.com Signed-off-by: Guo Ren guoren@kernel.org Signed-off-by: Guo Ren guoren@linux.alibaba.com Tested-by: Conor Dooley conor.dooley@microchip.com Link: https://lore.kernel.org/r/20221207091112.2258674-1-guoren@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/riscv/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -493,7 +493,7 @@ 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