[v3,38/39] kasan, arm64: enable CONFIG_KASAN_HW_TAGS

Message ID	04d60f57ea65706bf38450d29a64e34a69df2123.1600987622.git.andreyknvl@google.com (mailing list archive)
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Headers	show Return-Path: <SRS0=vOKg=DB=kvack.org=owner-linux-mm@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DCDEA23600 Date: Fri, 25 Sep 2020 00:50:45 +0200 In-Reply-To: <cover.1600987622.git.andreyknvl@google.com> Message-Id: <04d60f57ea65706bf38450d29a64e34a69df2123.1600987622.git.andreyknvl@google.com> Mime-Version: 1.0 References: <cover.1600987622.git.andreyknvl@google.com> Subject: [PATCH v3 38/39] kasan, arm64: enable CONFIG_KASAN_HW_TAGS From: Andrey Konovalov <andreyknvl@google.com> To: Dmitry Vyukov <dvyukov@google.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, kasan-dev@googlegroups.com Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com>, Evgenii Stepanov <eugenis@google.com>, Elena Petrova <lenaptr@google.com>, Branislav Rankov <Branislav.Rankov@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, Andrew Morton <akpm@linux-foundation.org>, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov <andreyknvl@google.com> Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	kasan: add hardware tag-based mode for arm64 \| expand [v3,00/39] kasan: add hardware tag-based mode for arm64 [v3,01/39] kasan: drop unnecessary GPL text from comment headers [v3,02/39] kasan: KASAN_VMALLOC depends on KASAN_GENERIC [v3,03/39] kasan: group vmalloc code [v3,04/39] kasan: shadow declarations only for software modes [v3,05/39] kasan: rename (un)poison_shadow to (un)poison_memory [v3,06/39] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_* [v3,07/39] kasan: only build init.c for software modes [v3,08/39] kasan: split out shadow.c from common.c [v3,09/39] kasan: define KASAN_GRANULE_PAGE [v3,10/39] kasan: rename report and tags files [v3,11/39] kasan: don't duplicate config dependencies [v3,12/39] kasan: hide invalid free check implementation [v3,13/39] kasan: decode stack frame only with KASAN_STACK_ENABLE [v3,14/39] kasan, arm64: only init shadow for software modes [v3,15/39] kasan, arm64: only use kasan_depth for software modes [v3,16/39] kasan: rename addr_has_shadow to addr_has_metadata [v3,17/39] kasan: rename print_shadow_for_address to print_memory_metadata [v3,18/39] kasan: kasan_non_canonical_hook only for software modes [v3,19/39] kasan: rename SHADOW layout macros to META [v3,20/39] kasan: separate metadata_fetch_row for each mode [v3,21/39] kasan: don't allow SW_TAGS with ARM64_MTE [v3,22/39] kasan: introduce CONFIG_KASAN_HW_TAGS [v3,23/39] arm64: Enable armv8.5-a asm-arch option [v3,24/39] arm64: mte: Add in-kernel MTE helpers [v3,25/39] arm64: kasan: Add arch layer for memory tagging helpers [v3,26/39] arm64: mte: Add in-kernel tag fault handler [v3,27/39] arm64: kasan: Enable in-kernel MTE [v3,28/39] arm64: mte: Convert gcr_user into an exclude mask [v3,29/39] arm64: mte: Switch GCR_EL1 in kernel entry and exit [v3,30/39] arm64: kasan: Enable TBI EL1 [v3,31/39] arm64: kasan: Align allocations for HW_TAGS [v3,32/39] kasan: define KASAN_GRANULE_SIZE for HW_TAGS [v3,33/39] kasan, x86, s390: update undef CONFIG_KASAN [v3,34/39] kasan, arm64: expand CONFIG_KASAN checks [v3,35/39] kasan, arm64: implement HW_TAGS runtime [v3,36/39] kasan, arm64: print report from tag fault handler [v3,37/39] kasan, slub: reset tags when accessing metadata [v3,38/39] kasan, arm64: enable CONFIG_KASAN_HW_TAGS [v3,39/39] kasan: add documentation for hardware tag-based mode

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04d60f57ea65706bf38450d29a64e34a69df2123.1600987622.git.andreyknvl@google.com (mailing list archive)

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DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DCDEA23600
Date: Fri, 25 Sep 2020 00:50:45 +0200
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 <04d60f57ea65706bf38450d29a64e34a69df2123.1600987622.git.andreyknvl@google.com>
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Subject: [PATCH v3 38/39] kasan, arm64: enable CONFIG_KASAN_HW_TAGS
From: Andrey Konovalov <andreyknvl@google.com>
To: Dmitry Vyukov <dvyukov@google.com>,
 Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>, kasan-dev@googlegroups.com
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
 Alexander Potapenko <glider@google.com>,
	Marco Elver <elver@google.com>, Evgenii Stepanov <eugenis@google.com>,
	Elena Petrova <lenaptr@google.com>,
 Branislav Rankov <Branislav.Rankov@arm.com>,
	Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
 linux-arm-kernel@lists.infradead.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Andrey Konovalov <andreyknvl@google.com>
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Sender: owner-linux-mm@kvack.org
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Series

kasan: add hardware tag-based mode for arm64 | expand

Commit Message

Andrey Konovalov Sept. 24, 2020, 10:50 p.m. UTC

Hardware tag-based KASAN is now ready, enable the configuration option.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
---
Change-Id: I6eb1eea770e6b61ad71c701231b8d815a7ccc853
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e28d49cc1400..8d139c68343e 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -132,6 +132,7 @@  config ARM64
 	select HAVE_ARCH_JUMP_LABEL_RELATIVE
 	select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
 	select HAVE_ARCH_KASAN_SW_TAGS if (HAVE_ARCH_KASAN && !ARM64_MTE)
+	select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_MMAP_RND_BITS
 	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT

[v3,38/39] kasan, arm64: enable CONFIG_KASAN_HW_TAGS

Commit Message

Patch