From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f175.google.com (mail-lb0-f175.google.com [209.85.217.175]) by kanga.kvack.org (Postfix) with ESMTP id 348206B0253 for ; Mon, 12 Oct 2015 11:52:56 -0400 (EDT) Received: by lbbk10 with SMTP id k10so35199254lbb.0 for ; Mon, 12 Oct 2015 08:52:55 -0700 (PDT) Received: from mail-lb0-x229.google.com (mail-lb0-x229.google.com. [2a00:1450:4010:c04::229]) by mx.google.com with ESMTPS id pf6si11628610lbc.166.2015.10.12.08.52.54 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Oct 2015 08:52:54 -0700 (PDT) Received: by lbbk10 with SMTP id k10so35198716lbb.0 for ; Mon, 12 Oct 2015 08:52:54 -0700 (PDT) From: Andrey Ryabinin Subject: [PATCH v7 0/4] KASAN for arm64 Date: Mon, 12 Oct 2015 18:52:56 +0300 Message-Id: <1444665180-301-1-git-send-email-ryabinin.a.a@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Will Deacon , Catalin Marinas , linux-arm-kernel@lists.infradead.org Cc: Andrey Ryabinin , Linus Walleij , Alexander Potapenko , Dmitry Vyukov , Arnd Bergmann , linux-kernel@vger.kernel.org, David Keitel , linux-mm@kvack.org, kasan-dev , Alexey Klimov , Yury , Andrey Konovalov , Ard Biesheuvel As usual patches available in git git://github.com/aryabinin/linux.git kasan/arm64v7 Changes since v6: - Rebased on top of arm64/for-next/core: e8f3010f7326c00368dbc057bd052bec80dfc072 ("arm64/efi: isolate EFI stub from the kernel proper") This should fix boot as an EFI application once again. Changes since v5: - Rebase on top of 4.3-rc1 - Fixed EFI boot. - Updated Doc/features/KASAN. Changes since v4: - Generate KASAN_SHADOW_OFFSET using 32 bit arithmetic - merge patches x86/kasan: switch to generic kasan_populate_zero_shadow() and mm: introduce generic kasan_populate_zero_shadow() into one. - remove useless check for start != 0 in clear_pgds() - Don't generate KASAN_SHADOW_OFFSET in Makefile for x86, assign it in Makefile.kasan if CONFIG_KASAN_SHADOW_OFFSET was defined. Changes since v3: - Generate KASAN_SHADOW_OFFSET in Makefile - zero_p*_populate() functions now return void - Switch x86 to generic kasan_populate_zero_shadow() too - Add license headers - fix memleak in kasan_populate_zero_shadow: Following code could leak memory when pgd_populate() is nop: void *p = early_alloc(PAGE_SIZE, NUMA_NO_NODE); pgd_populate(&init_mm, pgd, p); This was replaced by: pgd_populate(&init_mm, pgd, early_alloc(PAGE_SIZE, NUMA_NO_NODE)); Changes since v2: - Rebase on top of v4.2-rc3 - Address feedback from Catalin. - Print memory assignment from Linus - Add message about KASAN being initialized Changes since v1: - Address feedback from Catalin. - Generalize some kasan init code from arch/x86/mm/kasan_init_64.c and reuse it for arm64. - Some bugfixes, including: add missing arm64/include/asm/kasan.h add tlb flush after changing ttbr1 - Add code comments. Andrey Ryabinin (3): arm64: move PGD_SIZE definition to pgalloc.h arm64: add KASAN support Documentation/features/KASAN: arm64 supports KASAN now Linus Walleij (1): ARM64: kasan: print memory assignment .../features/debug/KASAN/arch-support.txt | 2 +- arch/arm64/Kconfig | 1 + arch/arm64/Makefile | 7 + arch/arm64/include/asm/kasan.h | 36 +++++ arch/arm64/include/asm/pgalloc.h | 1 + arch/arm64/include/asm/pgtable.h | 7 + arch/arm64/include/asm/string.h | 16 ++ arch/arm64/kernel/Makefile | 2 + arch/arm64/kernel/arm64ksyms.c | 3 + arch/arm64/kernel/head.S | 3 + arch/arm64/kernel/image.h | 6 + arch/arm64/kernel/module.c | 16 +- arch/arm64/kernel/setup.c | 4 + arch/arm64/lib/memcpy.S | 3 + arch/arm64/lib/memmove.S | 7 +- arch/arm64/lib/memset.S | 3 + arch/arm64/mm/Makefile | 3 + arch/arm64/mm/init.c | 6 + arch/arm64/mm/kasan_init.c | 165 +++++++++++++++++++++ arch/arm64/mm/pgd.c | 2 - drivers/firmware/efi/Makefile | 8 + scripts/Makefile.kasan | 4 +- 22 files changed, 296 insertions(+), 9 deletions(-) create mode 100644 arch/arm64/include/asm/kasan.h create mode 100644 arch/arm64/mm/kasan_init.c -- 2.4.9 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org