diff options
| -rw-r--r-- | arch/arm64/include/asm/kernel-pgtable.h | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/image-vars.h | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/kernel-pgtable.h b/arch/arm64/include/asm/kernel-pgtable.h index 9e93733523f6..74a4f738c5f5 100644 --- a/arch/arm64/include/asm/kernel-pgtable.h +++ b/arch/arm64/include/asm/kernel-pgtable.h @@ -58,7 +58,7 @@ #define INIT_DIR_SIZE (PAGE_SIZE * (EARLY_PAGES(SWAPPER_PGTABLE_LEVELS, KIMAGE_VADDR, _end, EXTRA_PAGE) \ + EARLY_SEGMENT_EXTRA_PAGES)) -#define INIT_IDMAP_DIR_PAGES (EARLY_PAGES(INIT_IDMAP_PGTABLE_LEVELS, KIMAGE_VADDR, _end, 1)) +#define INIT_IDMAP_DIR_PAGES (EARLY_PAGES(INIT_IDMAP_PGTABLE_LEVELS, KIMAGE_VADDR, kimage_limit, 1)) #define INIT_IDMAP_DIR_SIZE ((INIT_IDMAP_DIR_PAGES + EARLY_IDMAP_EXTRA_PAGES) * PAGE_SIZE) #define INIT_IDMAP_FDT_PAGES (EARLY_PAGES(INIT_IDMAP_PGTABLE_LEVELS, 0UL, UL(MAX_FDT_SIZE), 1) - 1) diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h index 86f088a16147..1cee48feb309 100644 --- a/arch/arm64/kernel/image-vars.h +++ b/arch/arm64/kernel/image-vars.h @@ -146,6 +146,17 @@ KVM_NVHE_ALIAS(kvm_protected_mode_initialized); _kernel_codesize = ABSOLUTE(__inittext_end - _text); #endif +/* + * LLD will occasionally error out with a '__init_end does not converge' error + * if INIT_IDMAP_DIR_SIZE is defined in terms of _end, as this results in a + * circular dependency. Counter this by dimensioning the initial IDMAP page + * tables based on kimage_limit, which is defined such that its value should + * not change as a result of the initdata segment being pushed over a 64k + * segment boundary due to changes in INIT_IDMAP_DIR_SIZE, provided that its + * value doesn't change by more than 2M between linker passes. + */ +kimage_limit = ALIGN(ABSOLUTE(_end + SZ_64K), SZ_2M); + #undef ASSERT #endif /* __ARM64_KERNEL_IMAGE_VARS_H */ |