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Mon, 16 May 2022 14:10:09 -0700 (PDT) Date: Mon, 16 May 2022 14:09:53 -0700 In-Reply-To: <20220516210954.1660716-1-ndesaulniers@google.com> Message-Id: <20220516210954.1660716-4-ndesaulniers@google.com> Mime-Version: 1.0 References: <20220516210954.1660716-1-ndesaulniers@google.com> X-Developer-Key: i=ndesaulniers@google.com; a=ed25519; pk=lvO/pmg+aaCb6dPhyGC1GyOCvPueDrrc8Zeso5CaGKE= X-Developer-Signature: v=1; a=ed25519-sha256; t=1652735394; l=938; s=20211004; h=from:subject; bh=T9BSmoUTZZ/l/4cKzU/17oPppOyCGzetEds5NOZIrWQ=; b=8FrOhkyvfC7vArFsPvAnd24amfcR4JlfF0QbPfyYrJ5dNOBuwKcXRFBPcYEjIvovyC8NaU6XW8kg 0rstkQerBW6KdT7Rc+cTUyjdSir5seoBM0spKRrjhKOvZ+34H6kG X-Mailer: git-send-email 2.36.0.550.gb090851708-goog Subject: [PATCH v3 3/4] ARM: only use -mtp=cp15 for the compiler From: Nick Desaulniers To: Arnd Bergmann , Ard@google.com, Biesheuvel@google.com Cc: Russell King , Masahiro Yamada , Linus Walleij , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Nick Desaulniers X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220516_141011_084243_93EF5CD5 X-CRM114-Status: GOOD ( 13.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Avoids an error from the assembler for CONFIG_THUMB2 kernels: clang-15: error: hardware TLS register is not supported for the thumbv4t sub-architecture This flag only makes sense to pass to the compiler, not the assembler. Perhaps CFLAGS_ABI can be renamed to CPPFLAGS_ABI to reflect that they will be passed to both the compiler and assembler for sources that require pre-processing. Signed-off-by: Nick Desaulniers --- arch/arm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 99a7ed7e9f09..1029c2503aef 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -108,7 +108,7 @@ CFLAGS_ABI += -meabi gnu endif ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y) -CFLAGS_ABI += -mtp=cp15 +KBUILD_CFLAGS += -mtp=cp15 endif # Accept old syntax despite ".syntax unified"