The patch titled Subject: kasan, arm64: rename kasan_init_tags and mark as __init has been added to the -mm tree. Its filename is kasan-arm64-rename-kasan_init_tags-and-mark-as-__init.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/kasan-arm64-rename-kasan_init_tags-and-mark-as-__init.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/kasan-arm64-rename-kasan_init_tags-and-mark-as-__init.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Subject: kasan, arm64: rename kasan_init_tags and mark as __init Rename kasan_init_tags() to kasan_init_sw_tags() as the upcoming hardware tag-based KASAN mode will have its own initialization routine. Also similarly to kasan_init() mark kasan_init_tags() as __init. Link: https://lkml.kernel.org/r/8b8345f75fa75638328d684b826b1118e2649e30.1605046192.git.andreyknvl@xxxxxxxxxx Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Cc: Branislav Rankov <Branislav.Rankov@xxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx> Cc: Kevin Brodsky <kevin.brodsky@xxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Cc: Will Deacon <will.deacon@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/arm64/kernel/setup.c | 2 +- arch/arm64/mm/kasan_init.c | 2 +- include/linux/kasan.h | 4 ++-- mm/kasan/sw_tags.c | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) --- a/arch/arm64/kernel/setup.c~kasan-arm64-rename-kasan_init_tags-and-mark-as-__init +++ a/arch/arm64/kernel/setup.c @@ -358,7 +358,7 @@ void __init __no_sanitize_address setup_ smp_build_mpidr_hash(); /* Init percpu seeds for random tags after cpus are set up. */ - kasan_init_tags(); + kasan_init_sw_tags(); #ifdef CONFIG_ARM64_SW_TTBR0_PAN /* --- a/arch/arm64/mm/kasan_init.c~kasan-arm64-rename-kasan_init_tags-and-mark-as-__init +++ a/arch/arm64/mm/kasan_init.c @@ -283,7 +283,7 @@ void __init kasan_init(void) kasan_init_shadow(); kasan_init_depth(); #if defined(CONFIG_KASAN_GENERIC) - /* CONFIG_KASAN_SW_TAGS also requires kasan_init_tags(). */ + /* CONFIG_KASAN_SW_TAGS also requires kasan_init_sw_tags(). */ pr_info("KernelAddressSanitizer initialized\n"); #endif } --- a/include/linux/kasan.h~kasan-arm64-rename-kasan_init_tags-and-mark-as-__init +++ a/include/linux/kasan.h @@ -191,7 +191,7 @@ static inline void kasan_record_aux_stac #ifdef CONFIG_KASAN_SW_TAGS -void kasan_init_tags(void); +void __init kasan_init_sw_tags(void); void *kasan_reset_tag(const void *addr); @@ -200,7 +200,7 @@ bool kasan_report(unsigned long addr, si #else /* CONFIG_KASAN_SW_TAGS */ -static inline void kasan_init_tags(void) { } +static inline void kasan_init_sw_tags(void) { } static inline void *kasan_reset_tag(const void *addr) { --- a/mm/kasan/sw_tags.c~kasan-arm64-rename-kasan_init_tags-and-mark-as-__init +++ a/mm/kasan/sw_tags.c @@ -35,7 +35,7 @@ static DEFINE_PER_CPU(u32, prng_state); -void kasan_init_tags(void) +void __init kasan_init_sw_tags(void) { int cpu; _ Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are kasan-drop-unnecessary-gpl-text-from-comment-headers.patch kasan-kasan_vmalloc-depends-on-kasan_generic.patch kasan-group-vmalloc-code.patch s390-kasan-include-asm-pageh-from-asm-kasanh.patch kasan-shadow-declarations-only-for-software-modes.patch kasan-rename-unpoison_shadow-to-unpoison_memory.patch kasan-rename-kasan_shadow_-to-kasan_granule_.patch kasan-only-build-initc-for-software-modes.patch kasan-split-out-shadowc-from-commonc.patch kasan-define-kasan_granule_page.patch kasan-rename-report-and-tags-files.patch kasan-dont-duplicate-config-dependencies.patch kasan-hide-invalid-free-check-implementation.patch kasan-decode-stack-frame-only-with-kasan_stack_enable.patch kasan-arm64-only-init-shadow-for-software-modes.patch kasan-arm64-only-use-kasan_depth-for-software-modes.patch kasan-arm64-move-initialization-message.patch kasan-arm64-rename-kasan_init_tags-and-mark-as-__init.patch kasan-rename-addr_has_shadow-to-addr_has_metadata.patch kasan-rename-print_shadow_for_address-to-print_memory_metadata.patch kasan-kasan_non_canonical_hook-only-for-software-modes.patch kasan-rename-shadow-layout-macros-to-meta.patch kasan-separate-metadata_fetch_row-for-each-mode.patch kasan-arm64-dont-allow-sw_tags-with-arm64_mte.patch kasan-introduce-config_kasan_hw_tags.patch arm64-kasan-align-allocations-for-hw_tags.patch arm64-kasan-add-arch-layer-for-memory-tagging-helpers.patch kasan-define-kasan_granule_size-for-hw_tags.patch kasan-x86-s390-update-undef-config_kasan.patch kasan-arm64-expand-config_kasan-checks.patch kasan-arm64-implement-hw_tags-runtime.patch kasan-arm64-print-report-from-tag-fault-handler.patch kasan-mm-reset-tags-when-accessing-metadata.patch kasan-arm64-enable-config_kasan_hw_tags.patch kasan-add-documentation-for-hardware-tag-based-mode.patch