From abbb887da77408892c0c8fb4cbbc2a5bb03b140e Mon Sep 17 00:00:00 2001 From: Guo Ren Date: Wed, 7 Dec 2022 04:11:12 -0500 Subject: [PATCH] riscv: Fixup compile error with !MMU 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 Reported-by: kernel test robot Signed-off-by: Guo Ren Signed-off-by: Guo Ren Tested-by: Conor Dooley Link: https://lore.kernel.org/r/20221207091112.2258674-1-guoren@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt Signed-off-by: Greg Kroah-Hartman --- arch/riscv/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 593cf09264d8..8e5fd5682018 100644 --- 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