From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from imap5.colo.codethink.co.uk (imap5.colo.codethink.co.uk [78.40.148.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C7DE13D638 for ; Fri, 1 May 2026 09:40:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.40.148.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777628438; cv=none; b=miK1pv4Sg3+PTurt4AYuusZQZp4/3FDyPvMKn2BCIzfjzsbuDQdgpJ5prcIcJ1T4ZhpSiDv/sxa1jdNajb22vaQUYvBO9GSnv3AxcMRqa/VYI3aT975fUvePYkzBZnk7M2wktx+VHk3dkBUSeDeD9sFYzWdGc932+HWlUlFtyMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777628438; c=relaxed/simple; bh=6q0W7uIYVt/wv3gxwgxxNenQVrmhJzNbCAwRQ6EzjFM=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=f989jOiy4KSPczbKltRkqCq0FiDikHpkA+7r5mDyeBhobO2PnBZZCyzhPUsJezMtCD8pF38Nq8KtTtKq12m15qzMEKPxblrDR6o3ASTrFkYNGHxQX/qxIOCY7+jS6nJNPz4riyf4hQ5jPIEgTpvLSljIQfe5cy3zdyxAQPgYDhk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=codethink.co.uk; spf=pass smtp.mailfrom=codethink.com; dkim=pass (2048-bit key) header.d=codethink.co.uk header.i=@codethink.co.uk header.b=cJI/MPp9; arc=none smtp.client-ip=78.40.148.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=codethink.co.uk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=codethink.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=codethink.co.uk header.i=@codethink.co.uk header.b="cJI/MPp9" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codethink.co.uk; s=imap5-20230908; h=Sender:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:In-Reply-To: References; bh=AU55MMGLjJuViy9eFBoGM5tbTqX5GlGQmkeC3JCUz2w=; b=cJI/MPp94xcrDG /p4y3BXfoeKeMrw9VwqjvRWn00Cvldgi/FoPC9bNB4ov6YFqSVcsGlZ8EkHvS7WITb9BlwtV5q9tM E0vka0gMeLTRiSk5gxbJgkjcLtG2ZVgGz2qoNbhXpwYJumZNf2Xy+trkkVd0aa4K6Z6hyHIErF7cQ jzGJItECOpcIt9GvcLLfqhbqG5lDVSl5x+kV+f9ZXHv7WX0oHqxTOpwhvKKcV+LDbOvxkAkLomIOK O/OJ1BAwo8O/4G8j8SiaMHzc0gekd3I2pqIXhRKTv3lDRiG3BTF6mJTLwy2yg7D3ZtGxyGvU53Rly OydyZZoz301R6Vp1ptNA==; Received: from [167.98.27.226] (helo=rainbowdash) by imap5.colo.codethink.co.uk with esmtpsa (Exim 4.94.2 #2 (Debian)) id 1wIkMF-007ohQ-Sz; Fri, 01 May 2026 10:40:27 +0100 Received: from ben by rainbowdash with local (Exim 4.99.1) (envelope-from ) id 1wIkMF-00000002wKW-255M; Fri, 01 May 2026 10:40:27 +0100 From: Ben Dooks To: linux-sparse@vger.kernel.org Cc: Ben Dooks , Paul Walmsley Subject: [PATCH RESEND 1/2] RISC-V: Stop warning about Zabha and Zacas Date: Fri, 1 May 2026 10:40:25 +0100 Message-Id: <20260501094026.700865-1-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 2.37.2.352.g3c44437643 Precedence: bulk X-Mailing-List: linux-sparse@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: srv_ts003@codethink.com The zabha (atomic byte and halfword) and zacas (atomic compare/swap) are now being used by the kernel, so parse these and stop the warnings when running make C=1 on current kernels. WARNING: invalid argument to '-march': '_zacas_zabha' Tested-by: Paul Walmsley Signed-off-by: Ben Dooks --- target-riscv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target-riscv.c b/target-riscv.c index d30be04b..80c25285 100644 --- a/target-riscv.c +++ b/target-riscv.c @@ -22,6 +22,8 @@ #define RISCV_ZICBOM (1 << 12) #define RISCV_ZIHINTPAUSE (1 << 13) #define RISCV_VECTOR (1 << 14) +#define RISCV_ATOMIC_CAS (1 << 15) +#define RISCV_ATOMIC_BH (1 << 16) static unsigned int riscv_flags; @@ -43,6 +45,8 @@ static void parse_march_riscv(const char *arg) { "d", RISCV_DOUBLE|RISCV_FDIV|RISCV_ZICSR }, { "c", RISCV_COMP }, { "v", RISCV_VECTOR|RISCV_FPU|RISCV_ZICSR }, + { "_zacas", RISCV_ATOMIC_CAS }, + { "_zabha", RISCV_ATOMIC_BH }, { "_zicsr", RISCV_ZICSR }, { "_zifencei", RISCV_ZIFENCEI }, { "_zicbom", RISCV_ZICBOM }, -- 2.37.2.352.g3c44437643