[mm,v10,11/42] kasan: don't duplicate config dependencies

Message ID	7a90eb85cf1f3bedcefa74bbbd73f9b532bcdd46.1605305705.git.andreyknvl@google.com (mailing list archive)
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Headers	show Return-Path: <SRS0=AU6j=ET=lists.infradead.org=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0FD82207DE Date: Fri, 13 Nov 2020 23:15:39 +0100 In-Reply-To: <cover.1605305705.git.andreyknvl@google.com> Message-Id: <7a90eb85cf1f3bedcefa74bbbd73f9b532bcdd46.1605305705.git.andreyknvl@google.com> Mime-Version: 1.0 References: <cover.1605305705.git.andreyknvl@google.com> Subject: [PATCH mm v10 11/42] kasan: don't duplicate config dependencies From: Andrey Konovalov <andreyknvl@google.com> To: Andrew Morton <akpm@linux-foundation.org> Precedence: list Cc: linux-arm-kernel@lists.infradead.org, Marco Elver <elver@google.com>, Catalin Marinas <catalin.marinas@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, Branislav Rankov <Branislav.Rankov@arm.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko <glider@google.com>, Evgenii Stepanov <eugenis@google.com>, Andrey Konovalov <andreyknvl@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org
Series	kasan: add hardware tag-based mode for arm64 \| expand [mm,v10,00/42] kasan: add hardware tag-based mode for arm64 [mm,v10,01/42] kasan: drop unnecessary GPL text from comment headers [mm,v10,02/42] kasan: KASAN_VMALLOC depends on KASAN_GENERIC [mm,v10,03/42] kasan: group vmalloc code [mm,v10,04/42] kasan: shadow declarations only for software modes [mm,v10,05/42] kasan: rename (un)poison_shadow to (un)poison_range [mm,v10,06/42] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_* [mm,v10,07/42] kasan: only build init.c for software modes [mm,v10,08/42] kasan: split out shadow.c from common.c [mm,v10,09/42] kasan: define KASAN_MEMORY_PER_SHADOW_PAGE [mm,v10,10/42] kasan: rename report and tags files [mm,v10,11/42] kasan: don't duplicate config dependencies [mm,v10,12/42] kasan: hide invalid free check implementation [mm,v10,13/42] kasan: decode stack frame only with KASAN_STACK_ENABLE [mm,v10,14/42] kasan, arm64: only init shadow for software modes [mm,v10,15/42] kasan, arm64: only use kasan_depth for software modes [mm,v10,16/42] kasan, arm64: move initialization message [mm,v10,17/42] kasan, arm64: rename kasan_init_tags and mark as __init [mm,v10,18/42] kasan: rename addr_has_shadow to addr_has_metadata [mm,v10,19/42] kasan: rename print_shadow_for_address to print_memory_metadata [mm,v10,20/42] kasan: rename SHADOW layout macros to META [mm,v10,21/42] kasan: separate metadata_fetch_row for each mode [mm,v10,22/42] kasan, arm64: don't allow SW_TAGS with ARM64_MTE [mm,v10,23/42] kasan: introduce CONFIG_KASAN_HW_TAGS [mm,v10,24/42] arm64: Enable armv8.5-a asm-arch option [mm,v10,25/42] arm64: mte: Add in-kernel MTE helpers [mm,v10,26/42] arm64: mte: Reset the page tag in page->flags [mm,v10,27/42] arm64: mte: Add in-kernel tag fault handler [mm,v10,28/42] arm64: kasan: Allow enabling in-kernel MTE [mm,v10,29/42] arm64: mte: Convert gcr_user into an exclude mask [mm,v10,30/42] arm64: mte: Switch GCR_EL1 in kernel entry and exit [mm,v10,31/42] kasan, mm: untag page address in free_reserved_area [mm,v10,32/42] arm64: kasan: Align allocations for HW_TAGS [mm,v10,33/42] arm64: kasan: Add arch layer for memory tagging helpers [mm,v10,34/42] kasan: define KASAN_GRANULE_SIZE for HW_TAGS [mm,v10,35/42] kasan, x86, s390: update undef CONFIG_KASAN [mm,v10,36/42] kasan, arm64: expand CONFIG_KASAN checks [mm,v10,37/42] kasan, arm64: implement HW_TAGS runtime [mm,v10,38/42] kasan, arm64: print report from tag fault handler [mm,v10,39/42] kasan, mm: reset tags when accessing metadata [mm,v10,40/42] kasan, arm64: enable CONFIG_KASAN_HW_TAGS [mm,v10,41/42] kasan: add documentation for hardware tag-based mode [mm,v10,42/42] kselftest/arm64: Check GCR_EL1 after context switch

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7a90eb85cf1f3bedcefa74bbbd73f9b532bcdd46.1605305705.git.andreyknvl@google.com (mailing list archive)

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Date: Fri, 13 Nov 2020 23:15:39 +0100
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Subject: [PATCH mm v10 11/42] kasan: don't duplicate config dependencies
From: Andrey Konovalov <andreyknvl@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Precedence: list
Cc: linux-arm-kernel@lists.infradead.org, Marco Elver <elver@google.com>,
 Catalin Marinas <catalin.marinas@arm.com>,
 Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>,
 Branislav Rankov <Branislav.Rankov@arm.com>, kasan-dev@googlegroups.com,
 linux-kernel@vger.kernel.org, linux-mm@kvack.org,
 Alexander Potapenko <glider@google.com>,
 Evgenii Stepanov <eugenis@google.com>,
 Andrey Konovalov <andreyknvl@google.com>,
 Andrey Ryabinin <aryabinin@virtuozzo.com>,
 Vincenzo Frascino <vincenzo.frascino@arm.com>,
 Dmitry Vyukov <dvyukov@google.com>
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Series

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

Commit Message

Andrey Konovalov Nov. 13, 2020, 10:15 p.m. UTC

Both KASAN_GENERIC and KASAN_SW_TAGS have common dependencies, move
those to KASAN.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
---
Change-Id: I77e475802e8f1750b9154fe4a6e6da4456054fcd
---
 lib/Kconfig.kasan | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 58dd3b86ef84..c0e9e7874122 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -24,6 +24,8 @@  menuconfig KASAN
 		   (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS)
 	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
 	depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS
+	select CONSTRUCTORS
+	select STACKDEPOT
 	help
 	  Enables KASAN (KernelAddressSANitizer) - runtime memory debugger,
 	  designed to find out-of-bounds accesses and use-after-free bugs.
@@ -46,10 +48,7 @@  choice
 config KASAN_GENERIC
 	bool "Generic mode"
 	depends on HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC
-	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
 	select SLUB_DEBUG if SLUB
-	select CONSTRUCTORS
-	select STACKDEPOT
 	help
 	  Enables generic KASAN mode.
 
@@ -70,10 +69,7 @@  config KASAN_GENERIC
 config KASAN_SW_TAGS
 	bool "Software tag-based mode"
 	depends on HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS
-	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
 	select SLUB_DEBUG if SLUB
-	select CONSTRUCTORS
-	select STACKDEPOT
 	help
 	  Enables software tag-based KASAN mode.

[mm,v10,11/42] kasan: don't duplicate config dependencies

Commit Message

Patch