From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from imap4.hz.codethink.co.uk (imap4.hz.codethink.co.uk [188.40.203.114]) (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 35E39154BF5 for ; Fri, 2 Jan 2026 12:26:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=188.40.203.114 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767356807; cv=none; b=Idfk/3AdEB9SdtWZfwAVsWf0C4x+wu5jDkSTSIwV4zZI0/yc2NJR2R/yg1K/knrqISWWvyy10ubsgom3PNz1JSl0bhtgGqTd0i+dx8F8iwiC6fnR9ZPgZ4tgjvLPgPSBpmi3bRQwzxs/+ABfkYkAoBtx9i8iwVItKAhRaZF8HIM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767356807; c=relaxed/simple; bh=Axn9yvQTDr8iE9WkmAi1sT44ZFvCnT20G9DfRVZHlas=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=iVbMMyhHVkhXZajAsa8D89VHupe4nuYg7AquFEs9V/C5neWJpZRKpVDSYVN93JJqZsUpY8v8gPvh2E5LQOZ7/TOv3aGIUfrWAjmpT+pZXJECBSzTWo1PbIemXQhzcFNmc3gdJ+v4yhowEVgR7LwAQv3yJy8nqHZI7RRux6qMp4I= 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=u0Ei5SmU; arc=none smtp.client-ip=188.40.203.114 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="u0Ei5SmU" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codethink.co.uk; s=imap4-20230908; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To; bh=A/oPUVC995fZtlQ5hcnZuZKofYdrDDgjMGWMWw8cFJY=; b=u0Ei5SmUqAqK4Tf9 dvI85aEJOYIxF7Uj2VHl0UNQlzTvkKvLj6sXckDAeqdK7sZtDCMxhEJIVTw0xMECADYTSU5Vbz+OT NSkDw51UjzLyBfhl1VJM2s9nBVfssZXt+dcd/ViziB+KNdYP9mGAiQAyzTo735N80sKpeBm7TIhuQ wpajM9L5u197SEhE3G4IFrz3Rtb8TxyG8fN4W/gbKw02VupIrT8rj7rnanOJ9QJx+KbaCUbb5U6fa FRFMkDbjN62PPPWDqBxc1P8O5BQu6u7FDsF64EZNGCJmATcx12ouQh8XcOid2PHBtDvkGybu+lfC5 y8bQP8XPFAWzLY6/ng==; Received: from [167.98.27.226] (helo=rainbowdash) by imap4.hz.codethink.co.uk with esmtpsa (Exim 4.94.2 #2 (Debian)) id 1vbdaM-003fEa-PP; Fri, 02 Jan 2026 11:44:50 +0000 Received: from ben by rainbowdash with local (Exim 4.99.1) (envelope-from ) id 1vbdaM-00000002FXj-1ynz; Fri, 02 Jan 2026 11:44:50 +0000 From: Ben Dooks To: linux-sparse@vger.kernel.org Cc: Ben Dooks Subject: [PATCH 1/2] RISC-V: Stop warning about Zabha and Zacas Date: Fri, 2 Jan 2026 11:44:48 +0000 Message-Id: <20260102114449.535597-2-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 2.37.2.352.g3c44437643 In-Reply-To: <20260102114449.535597-1-ben.dooks@codethink.co.uk> References: <20260102114449.535597-1-ben.dooks@codethink.co.uk> 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' 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