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>
Subject: [PATCH v4 32/39] kasan: define KASAN_GRANULE_SIZE for HW_TAGS
Date: Fri, 2 Oct 2020 01:10:33 +0200 [thread overview]
Message-ID: <2f2c30b9793bd5da7601043c9027d1b87ccb2e8e.1601593784.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1601593784.git.andreyknvl@google.com>
Hardware tag-based KASAN has granules of MTE_GRANULE_SIZE. Define
KASAN_GRANULE_SIZE to MTE_GRANULE_SIZE for CONFIG_KASAN_HW_TAGS.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Marco Elver <elver@google.com>
---
Change-Id: I5d1117e6a991cbca00d2cfb4ba66e8ae2d8f513a
---
mm/kasan/kasan.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 9c73f324e3ce..cf03640c8874 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -5,7 +5,13 @@
#include <linux/kasan.h>
#include <linux/stackdepot.h>
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
#define KASAN_GRANULE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
+#else
+#include <asm/mte-kasan.h>
+#define KASAN_GRANULE_SIZE MTE_GRANULE_SIZE
+#endif
+
#define KASAN_GRANULE_MASK (KASAN_GRANULE_SIZE - 1)
#define KASAN_GRANULE_PAGE (KASAN_GRANULE_SIZE << PAGE_SHIFT)
--
2.28.0.709.gb0816b6eb0-goog
WARNING: multiple messages have this Message-ID (diff)
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: Marco Elver <elver@google.com>,
Elena Petrova <lenaptr@google.com>,
Andrey Konovalov <andreyknvl@google.com>,
Kevin Brodsky <kevin.brodsky@arm.com>,
Will Deacon <will.deacon@arm.com>,
Branislav Rankov <Branislav.Rankov@arm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Alexander Potapenko <glider@google.com>,
linux-arm-kernel@lists.infradead.org,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Andrew Morton <akpm@linux-foundation.org>,
Evgenii Stepanov <eugenis@google.com>
Subject: [PATCH v4 32/39] kasan: define KASAN_GRANULE_SIZE for HW_TAGS
Date: Fri, 2 Oct 2020 01:10:33 +0200 [thread overview]
Message-ID: <2f2c30b9793bd5da7601043c9027d1b87ccb2e8e.1601593784.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1601593784.git.andreyknvl@google.com>
Hardware tag-based KASAN has granules of MTE_GRANULE_SIZE. Define
KASAN_GRANULE_SIZE to MTE_GRANULE_SIZE for CONFIG_KASAN_HW_TAGS.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Marco Elver <elver@google.com>
---
Change-Id: I5d1117e6a991cbca00d2cfb4ba66e8ae2d8f513a
---
mm/kasan/kasan.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 9c73f324e3ce..cf03640c8874 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -5,7 +5,13 @@
#include <linux/kasan.h>
#include <linux/stackdepot.h>
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
#define KASAN_GRANULE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
+#else
+#include <asm/mte-kasan.h>
+#define KASAN_GRANULE_SIZE MTE_GRANULE_SIZE
+#endif
+
#define KASAN_GRANULE_MASK (KASAN_GRANULE_SIZE - 1)
#define KASAN_GRANULE_PAGE (KASAN_GRANULE_SIZE << PAGE_SHIFT)
--
2.28.0.709.gb0816b6eb0-goog
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next prev parent reply other threads:[~2020-10-01 23:12 UTC|newest]
Thread overview: 138+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 23:10 [PATCH v4 00/39] kasan: add hardware tag-based mode for arm64 Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 01/39] kasan: drop unnecessary GPL text from comment headers Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 02/39] kasan: KASAN_VMALLOC depends on KASAN_GENERIC Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 03/39] kasan: group vmalloc code Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 04/39] kasan: shadow declarations only for software modes Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 05/39] kasan: rename (un)poison_shadow to (un)poison_memory Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 06/39] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_* Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 07/39] kasan: only build init.c for software modes Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 08/39] kasan: split out shadow.c from common.c Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 09/39] kasan: define KASAN_GRANULE_PAGE Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 10/39] kasan: rename report and tags files Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 11/39] kasan: don't duplicate config dependencies Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 12/39] kasan: hide invalid free check implementation Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 13/39] kasan: decode stack frame only with KASAN_STACK_ENABLE Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 14/39] kasan, arm64: only init shadow for software modes Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 15/39] kasan, arm64: only use kasan_depth " Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 16/39] kasan: rename addr_has_shadow to addr_has_metadata Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 17/39] kasan: rename print_shadow_for_address to print_memory_metadata Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 18/39] kasan: kasan_non_canonical_hook only for software modes Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 19/39] kasan: rename SHADOW layout macros to META Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 20/39] kasan: separate metadata_fetch_row for each mode Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 21/39] kasan, arm64: don't allow SW_TAGS with ARM64_MTE Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 22/39] kasan: introduce CONFIG_KASAN_HW_TAGS Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 23/39] arm64: Enable armv8.5-a asm-arch option Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 24/39] arm64: mte: Add in-kernel MTE helpers Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-02 13:51 ` Catalin Marinas
2020-10-02 13:51 ` Catalin Marinas
2020-10-01 23:10 ` [PATCH v4 25/39] arm64: kasan: Add arch layer for memory tagging helpers Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 26/39] arm64: mte: Add in-kernel tag fault handler Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 27/39] arm64: kasan: Enable in-kernel MTE Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-02 14:00 ` Catalin Marinas
2020-10-02 14:00 ` Catalin Marinas
2020-10-01 23:10 ` [PATCH v4 28/39] arm64: mte: Convert gcr_user into an exclude mask Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 29/39] arm64: mte: Switch GCR_EL1 in kernel entry and exit Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-02 14:06 ` Catalin Marinas
2020-10-02 14:06 ` Catalin Marinas
2020-10-08 18:24 ` Vincenzo Frascino
2020-10-08 18:24 ` Vincenzo Frascino
2020-10-09 8:11 ` Catalin Marinas
2020-10-09 8:11 ` Catalin Marinas
2020-10-09 9:56 ` Vincenzo Frascino
2020-10-09 9:56 ` Vincenzo Frascino
2020-10-09 10:16 ` Catalin Marinas
2020-10-09 10:16 ` Catalin Marinas
2020-10-09 10:21 ` Vincenzo Frascino
2020-10-09 10:21 ` Vincenzo Frascino
2020-10-01 23:10 ` [PATCH v4 30/39] arm64: kasan: Enable TBI EL1 Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-02 14:10 ` Catalin Marinas
2020-10-02 14:10 ` Catalin Marinas
2020-10-01 23:10 ` [PATCH v4 31/39] arm64: kasan: Align allocations for HW_TAGS Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov [this message]
2020-10-01 23:10 ` [PATCH v4 32/39] kasan: define KASAN_GRANULE_SIZE " Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 33/39] kasan, x86, s390: update undef CONFIG_KASAN Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 34/39] kasan, arm64: expand CONFIG_KASAN checks Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 35/39] kasan, arm64: implement HW_TAGS runtime Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 36/39] kasan, arm64: print report from tag fault handler Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 37/39] kasan, mm: reset tags when accessing metadata Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 38/39] kasan, arm64: enable CONFIG_KASAN_HW_TAGS Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` [PATCH v4 39/39] kasan: add documentation for hardware tag-based mode Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
2020-10-01 23:10 ` Andrey Konovalov
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