diff options
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm64/kernel/setup.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 63d711001dab..061a72156208 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1746,8 +1746,9 @@ config ARM64_DEBUG_PRIORITY_MASKING endif config RELOCATABLE - bool + bool "Build a relocatable kernel image" if EXPERT select ARCH_HAS_RELR + default y help This builds the kernel as a Position Independent Executable (PIE), which retains all relocation metadata required to relocate the diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 3fd2c11c09fc..93b3844cf442 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -319,6 +319,10 @@ void __init setup_arch(char **cmdline_p) xen_early_init(); efi_init(); + + if (!efi_enabled(EFI_BOOT) && ((u64)_text % MIN_KIMG_ALIGN) != 0) + pr_warn(FW_BUG "Kernel image misaligned at boot, please fix your bootloader!"); + arm64_memblock_init(); paging_init(); |