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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Marco Elver <elver@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Chris Zankel <chris@zankel.net>,
	Max Filippov <jcmvbkbc@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>,
	linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	kasan-dev@googlegroups.com, Rohan McLure <rmclure@linux.ibm.com>
Subject: [PATCH 2/3] powerpc/{32,book3e}: kcsan: Extend KCSAN Support
Date: Fri, 12 May 2023 17:31:18 +0200	[thread overview]
Message-ID: <1a1138966780c3709f55bde8a0eb80209fa4395d.1683892665.git.christophe.leroy@csgroup.eu> (raw)
In-Reply-To: <cover.1683892665.git.christophe.leroy@csgroup.eu>

From: Rohan McLure <rmclure@linux.ibm.com>

Enable HAVE_ARCH_KCSAN on all powerpc platforms, permitting use of the
kernel concurrency sanitiser through the CONFIG_KCSAN_* kconfig options.

Boots and passes selftests on 32-bit and 64-bit platforms. See
documentation in Documentation/dev-tools/kcsan.rst for more information.

Signed-off-by: Rohan McLure <rmclure@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 539d1f03ff42..2f6af3cb75d6 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -211,7 +211,7 @@ config PPC
 	select HAVE_ARCH_KASAN			if PPC_RADIX_MMU
 	select HAVE_ARCH_KASAN			if PPC_BOOK3E_64
 	select HAVE_ARCH_KASAN_VMALLOC		if HAVE_ARCH_KASAN
-	select HAVE_ARCH_KCSAN            	if PPC_BOOK3S_64
+	select HAVE_ARCH_KCSAN
 	select HAVE_ARCH_KFENCE			if ARCH_SUPPORTS_DEBUG_PAGEALLOC
 	select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
 	select HAVE_ARCH_WITHIN_STACK_FRAMES
-- 
2.40.1


WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Marco Elver <elver@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Chris Zankel <chris@zankel.net>,
	Max Filippov <jcmvbkbc@gmail.com>
Cc: Rohan McLure <rmclure@linux.ibm.com>,
	kasan-dev@googlegroups.com, linuxppc-dev@lists.ozlabs.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 2/3] powerpc/{32,book3e}: kcsan: Extend KCSAN Support
Date: Fri, 12 May 2023 17:31:18 +0200	[thread overview]
Message-ID: <1a1138966780c3709f55bde8a0eb80209fa4395d.1683892665.git.christophe.leroy@csgroup.eu> (raw)
In-Reply-To: <cover.1683892665.git.christophe.leroy@csgroup.eu>

From: Rohan McLure <rmclure@linux.ibm.com>

Enable HAVE_ARCH_KCSAN on all powerpc platforms, permitting use of the
kernel concurrency sanitiser through the CONFIG_KCSAN_* kconfig options.

Boots and passes selftests on 32-bit and 64-bit platforms. See
documentation in Documentation/dev-tools/kcsan.rst for more information.

Signed-off-by: Rohan McLure <rmclure@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 539d1f03ff42..2f6af3cb75d6 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -211,7 +211,7 @@ config PPC
 	select HAVE_ARCH_KASAN			if PPC_RADIX_MMU
 	select HAVE_ARCH_KASAN			if PPC_BOOK3E_64
 	select HAVE_ARCH_KASAN_VMALLOC		if HAVE_ARCH_KASAN
-	select HAVE_ARCH_KCSAN            	if PPC_BOOK3S_64
+	select HAVE_ARCH_KCSAN
 	select HAVE_ARCH_KFENCE			if ARCH_SUPPORTS_DEBUG_PAGEALLOC
 	select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
 	select HAVE_ARCH_WITHIN_STACK_FRAMES
-- 
2.40.1


  parent reply	other threads:[~2023-05-12 15:50 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-12 15:31 [PATCH 0/3] Extend KCSAN to all powerpc Christophe Leroy
2023-05-12 15:31 ` Christophe Leroy
2023-05-12 15:31 ` [PATCH 1/3] kcsan: Don't expect 64 bits atomic builtins from 32 bits architectures Christophe Leroy
2023-05-12 15:31   ` Christophe Leroy
2023-05-12 16:09   ` Marco Elver
2023-05-12 16:09     ` Marco Elver
2023-05-12 18:39     ` Christophe Leroy
2023-05-12 18:39       ` Christophe Leroy
2023-06-09 12:55       ` Michael Ellerman
2023-06-09 12:55         ` Michael Ellerman
2023-05-12 15:31 ` Christophe Leroy [this message]
2023-05-12 15:31   ` [PATCH 2/3] powerpc/{32,book3e}: kcsan: Extend KCSAN Support Christophe Leroy
2023-05-12 15:31 ` [PATCH 3/3] xtensa: Remove 64 bits atomic builtins stubs Christophe Leroy
2023-05-12 15:31   ` Christophe Leroy
2023-05-12 16:38   ` Max Filippov
2023-05-12 16:38     ` Max Filippov
2023-05-12 16:22 ` [PATCH 0/3] Extend KCSAN to all powerpc Marco Elver
2023-05-12 16:22   ` Marco Elver
2023-07-03  5:26 ` Michael Ellerman
2023-07-03  5:26   ` Michael Ellerman
2023-05-13  6:10 [PATCH 2/3] powerpc/{32,book3e}: kcsan: Extend KCSAN Support kernel test robot

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