From: Stefan Agner <stefan@agner.ch> To: linux@armlinux.org.uk, ard.biesheuvel@linaro.org, arnd@arndb.de Cc: robin.murphy@arm.com, nicolas.pitre@linaro.org, marc.zyngier@arm.com, behanw@converseincode.com, keescook@chromium.org, Bernhard.Rosenkranzer@linaro.org, mka@chromium.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Agner <stefan@agner.ch> Subject: [PATCH v2 4/6] ARM: drop no-thumb-interwork in EABI mode Date: Sun, 25 Mar 2018 20:09:57 +0200 [thread overview] Message-ID: <20180325180959.28008-5-stefan@agner.ch> (raw) In-Reply-To: <20180325180959.28008-1-stefan@agner.ch> According to GCC documentation -m(no-)thumb-interwork is meaningless in AAPCS configurations. Also clang does not support the flag: clang-5.0: error: unknown argument: '-mno-thumb-interwork' Just drop -mno-thumb-interwork in AEABI configuration. Signed-off-by: Stefan Agner <stefan@agner.ch> --- arch/arm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index e83f5161fdd8..e9e3fde3c657 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -106,7 +106,7 @@ tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) tune-y := $(tune-y) ifeq ($(CONFIG_AEABI),y) -CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp +CFLAGS_ABI :=-mabi=aapcs-linux -mfpu=vfp else CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) endif -- 2.16.2
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From: stefan@agner.ch (Stefan Agner) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 4/6] ARM: drop no-thumb-interwork in EABI mode Date: Sun, 25 Mar 2018 20:09:57 +0200 [thread overview] Message-ID: <20180325180959.28008-5-stefan@agner.ch> (raw) In-Reply-To: <20180325180959.28008-1-stefan@agner.ch> According to GCC documentation -m(no-)thumb-interwork is meaningless in AAPCS configurations. Also clang does not support the flag: clang-5.0: error: unknown argument: '-mno-thumb-interwork' Just drop -mno-thumb-interwork in AEABI configuration. Signed-off-by: Stefan Agner <stefan@agner.ch> --- arch/arm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index e83f5161fdd8..e9e3fde3c657 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -106,7 +106,7 @@ tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) tune-y := $(tune-y) ifeq ($(CONFIG_AEABI),y) -CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp +CFLAGS_ABI :=-mabi=aapcs-linux -mfpu=vfp else CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) endif -- 2.16.2
next prev parent reply other threads:[~2018-03-25 18:10 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-03-25 18:09 [PATCH v2 0/6] ARM: clang support Stefan Agner 2018-03-25 18:09 ` Stefan Agner 2018-03-25 18:09 ` [PATCH v2 1/6] bus: arm-cci: use asm unreachable Stefan Agner 2018-03-25 18:09 ` Stefan Agner 2018-03-25 18:14 ` Nicolas Pitre 2018-03-25 18:14 ` Nicolas Pitre 2018-03-25 18:19 ` Stefan Agner 2018-03-25 18:19 ` Stefan Agner 2018-04-16 15:59 ` Stefan Agner 2018-04-16 15:59 ` Stefan Agner 2018-03-25 18:09 ` [PATCH v2 2/6] efi/libstub/arm: add support for building with clang Stefan Agner 2018-03-25 18:09 ` Stefan Agner 2018-03-25 18:09 ` [PATCH v2 3/6] ARM: trusted_foundations: do not use naked function Stefan Agner 2018-03-25 18:09 ` Stefan Agner 2018-03-26 21:20 ` Dmitry Osipenko 2018-03-26 21:20 ` Dmitry Osipenko 2018-03-27 11:54 ` Robin Murphy 2018-03-27 11:54 ` Robin Murphy 2018-03-27 12:16 ` Dmitry Osipenko 2018-03-27 12:16 ` Dmitry Osipenko 2018-04-16 15:56 ` Stefan Agner 2018-04-16 15:56 ` Stefan Agner 2018-04-16 16:08 ` Stephen Warren 2018-04-16 16:08 ` Stephen Warren 2018-04-16 18:21 ` Stefan Agner 2018-04-16 18:21 ` Stefan Agner 2018-04-17 8:11 ` Thierry Reding 2018-04-17 8:11 ` Thierry Reding 2018-06-26 8:11 ` Stefan Agner 2018-06-26 8:11 ` Stefan Agner 2018-07-12 22:43 ` Kees Cook 2018-07-12 22:43 ` Kees Cook 2018-07-12 23:01 ` Russell King - ARM Linux 2018-07-12 23:01 ` Russell King - ARM Linux 2018-07-13 8:07 ` Stefan Agner 2018-07-13 8:07 ` Stefan Agner 2018-05-19 22:02 ` Dmitry Osipenko 2018-05-19 22:02 ` Dmitry Osipenko 2018-07-12 22:59 ` Russell King - ARM Linux 2018-07-12 22:59 ` Russell King - ARM Linux 2018-03-25 18:09 ` Stefan Agner [this message] 2018-03-25 18:09 ` [PATCH v2 4/6] ARM: drop no-thumb-interwork in EABI mode Stefan Agner 2018-06-12 17:19 ` [v2,4/6] " Guenter Roeck 2018-06-12 17:19 ` Guenter Roeck 2018-06-12 17:27 ` Stefan Agner 2018-06-12 17:27 ` Stefan Agner 2018-03-25 18:09 ` [PATCH v2 5/6] ARM: add support for building ARM kernel with clang Stefan Agner 2018-03-25 18:09 ` Stefan Agner 2018-03-25 18:09 ` [PATCH v2 6/6] ARM: uaccess: remove const to avoid duplicate specifier Stefan Agner 2018-03-25 18:09 ` Stefan Agner 2018-05-07 20:24 ` [PATCH v2 0/6] ARM: clang support Stefan Agner 2018-05-07 20:24 ` Stefan Agner 2018-05-07 21:09 ` Arnd Bergmann 2018-05-07 21:09 ` Arnd Bergmann
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