From nobody Sun Feb 8 21:06:03 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B61D8AD24; Tue, 4 Mar 2025 07:36:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741073776; cv=none; b=FROmnqDnC3Mv/u1RKbUXZTf5Ewkus/iFskDVgJIPiBNhBgT8LGrjxkNvajij4I+i7T6Qoe4/T9CaUp+UvkXZEgecT/AUizJKE/lK6hJJTgzc4JDYiu9/f/hyqMG1p3xubEgiJz0UZ66FmCiF9lEtAGrbS5QE65M/fX+AFscxBd0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741073776; c=relaxed/simple; bh=+arvS/JkffmbPGhBrismVkgnXmugqIQR5d/MKbkIMJQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=jisZ0V9nzku5CUaqk8g2Nx4r9AJimJEGjLQOb/ChPpyvFwVzjuL9z+mvDR182lBo7u7EywQp4+AvntnmDGtR73zl1ZUDi19sOi6Hm8B4bS/WmS/uJE2nFc5UaoKx/ImLQYXTgqGmlp/g5M7xBMqGFZC3/R7YKOpUfoKGpBskuOY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.120.242]) by gateway (Coremail) with SMTP id _____8DxWOFprcZnUuWJAA--.39093S3; Tue, 04 Mar 2025 15:36:09 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.120.242]) by front1 (Coremail) with SMTP id qMiowMBxn8VcrcZnyS01AA--.1378S2; Tue, 04 Mar 2025 15:36:03 +0800 (CST) From: WANG Rui To: Miguel Ojeda , Alex Gaynor , Huacai Chen Cc: Boqun Feng , Gary Guo , =?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, loongson-kernel@lists.loongnix.cn, WANG Rui , stable@vger.kernel.org Subject: [PATCH] rust: Fix enabling Rust and building with GCC for LoongArch Date: Tue, 4 Mar 2025 15:35:54 +0800 Message-ID: <20250304073554.20869-1-wangrui@loongson.cn> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMBxn8VcrcZnyS01AA--.1378S2 X-CM-SenderInfo: pzdqw2txl6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj93XoW7Zr13Gw43CFyUCryDWr1rGrX_yoW8Wr15pa na9wn7GrWUArWrKw1kAr45Xa129asYg3yDuFy7Jw17KrWFkry7XFZayFZxJrW5CF15Crya gr18CF9FkF4UCwbCm3ZEXasCq-sJn29KB7ZKAUJUUUUD529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUB0b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1ln4kS14v26r126r1DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2 x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5 McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr4 1lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_ Gr1l4IxYO2xFxVAFwI0_JF0_Jw1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67 AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8I cVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI 8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v2 6r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxU2pVbDUUUU Content-Type: text/plain; charset="utf-8" This patch fixes a build issue on LoongArch when Rust is enabled and compiled with GCC by explicitly setting the bindgen target and skipping C flags that Clang doesn't support. Cc: stable@vger.kernel.org Signed-off-by: WANG Rui Acked-by: Huacai Chen Acked-by: Miguel Ojeda --- rust/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/rust/Makefile b/rust/Makefile index ea3849eb78f6..2c57c624fe7d 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -232,7 +232,8 @@ bindgen_skip_c_flags :=3D -mno-fp-ret-in-387 -mpreferre= d-stack-boundary=3D% \ -mfunction-return=3Dthunk-extern -mrecord-mcount -mabi=3Dlp64 \ -mindirect-branch-cs-prefix -mstack-protector-guard% -mtraceback=3Dno \ -mno-pointers-to-nested-functions -mno-string \ - -mno-strict-align -mstrict-align \ + -mno-strict-align -mstrict-align -mdirect-extern-access \ + -mexplicit-relocs -mno-check-zero-division \ -fconserve-stack -falign-jumps=3D% -falign-loops=3D% \ -femit-struct-debug-baseonly -fno-ipa-cp-clone -fno-ipa-sra \ -fno-partial-inlining -fplugin-arg-arm_ssp_per_task_plugin-% \ @@ -246,6 +247,7 @@ bindgen_skip_c_flags :=3D -mno-fp-ret-in-387 -mpreferre= d-stack-boundary=3D% \ # Derived from `scripts/Makefile.clang`. BINDGEN_TARGET_x86 :=3D x86_64-linux-gnu BINDGEN_TARGET_arm64 :=3D aarch64-linux-gnu +BINDGEN_TARGET_loongarch :=3D loongarch64-linux-gnusf BINDGEN_TARGET :=3D $(BINDGEN_TARGET_$(SRCARCH)) =20 # All warnings are inhibited since GCC builds are very experimental, --=20 2.48.1