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From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Shuah Khan <shuah@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org>
Subject: [PATCH] kselftest/arm64: Explicitly build no BTI tests with BTI disabled
Date: Wed, 11 May 2022 17:10:04 +0100	[thread overview]
Message-ID: <20220511161004.189348-1-broonie@kernel.org> (raw)

In case a distribution enables branch protection by default do as we do for
the main kernel and explicitly disable branch protection when building the
test case for having BTI disabled to ensure it doesn't get turned on by the
toolchain defaults.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 tools/testing/selftests/arm64/bti/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/arm64/bti/Makefile b/tools/testing/selftests/arm64/bti/Makefile
index 10a12c5e05e6..a3e59d7910b3 100644
--- a/tools/testing/selftests/arm64/bti/Makefile
+++ b/tools/testing/selftests/arm64/bti/Makefile
@@ -14,7 +14,7 @@ CFLAGS += -I../../../../../usr/include/
 
 CFLAGS_STATIC = -ffreestanding
 
-CFLAGS_NOBTI = -DBTI=0
+CFLAGS_NOBTI = -mbranch-protection=none -DBTI=0
 CFLAGS_BTI = -mbranch-protection=standard -DBTI=1
 
 CFLAGS_COMMON = -Wall -Wextra $(CFLAGS)
-- 
2.30.2


WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Shuah Khan <shuah@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org>
Subject: [PATCH] kselftest/arm64: Explicitly build no BTI tests with BTI disabled
Date: Wed, 11 May 2022 17:10:04 +0100	[thread overview]
Message-ID: <20220511161004.189348-1-broonie@kernel.org> (raw)

In case a distribution enables branch protection by default do as we do for
the main kernel and explicitly disable branch protection when building the
test case for having BTI disabled to ensure it doesn't get turned on by the
toolchain defaults.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 tools/testing/selftests/arm64/bti/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/arm64/bti/Makefile b/tools/testing/selftests/arm64/bti/Makefile
index 10a12c5e05e6..a3e59d7910b3 100644
--- a/tools/testing/selftests/arm64/bti/Makefile
+++ b/tools/testing/selftests/arm64/bti/Makefile
@@ -14,7 +14,7 @@ CFLAGS += -I../../../../../usr/include/
 
 CFLAGS_STATIC = -ffreestanding
 
-CFLAGS_NOBTI = -DBTI=0
+CFLAGS_NOBTI = -mbranch-protection=none -DBTI=0
 CFLAGS_BTI = -mbranch-protection=standard -DBTI=1
 
 CFLAGS_COMMON = -Wall -Wextra $(CFLAGS)
-- 
2.30.2


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             reply	other threads:[~2022-05-11 16:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-11 16:10 Mark Brown [this message]
2022-05-11 16:10 ` [PATCH] kselftest/arm64: Explicitly build no BTI tests with BTI disabled Mark Brown
2022-05-16 18:09 ` Catalin Marinas
2022-05-16 18:09   ` Catalin Marinas
2022-05-16 18:13   ` Mark Brown
2022-05-16 18:13     ` Mark Brown

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