From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 34973C48260 for ; Tue, 13 Feb 2024 22:39:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=6vzn3h93VGD2lm0Lfcd8S9aSRr8xZLjjRKja7g4x0HU=; b=iV5kkoHQsQ2TBswvXFjXsuACiN 46NlB4NeU3yF3XvgdGwrpBprurvmlyxTVZ5L839Rjuv+sGY2tIBNuw8rkVLWIt1SkWGw68XWSUjUz xuCwEX3cVctW1aU19rNRAatof80apf32eVzanjFLiyGx6nUycWqNpva/0V+/2yOwwTukCBftLYy9C g7Tss4m0nPycZ3BboCpBdH3ob720cPgZbLN9d0aPm1hdV3aUd61iSDudcICHQzdgetKCqLAHF3leY rNUlTwsHl1tFjYqeH3oz1DAByWdwm+qkxqrhPPcgUbou3RM7APPmsx2zN+dLIzA0X1LLJubgn+uHj P26GCQ4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1ra1Qx-0000000B6Xp-2Jzk; Tue, 13 Feb 2024 22:39:23 +0000 Received: from mail-yb1-xb4a.google.com ([2607:f8b0:4864:20::b4a]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1ra1Qs-0000000B6Vz-33Ui for linux-riscv@lists.infradead.org; Tue, 13 Feb 2024 22:39:20 +0000 Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-dcd94cc48a1so965571276.3 for ; Tue, 13 Feb 2024 14:39:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1707863957; x=1708468757; darn=lists.infradead.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=f+XclenF7edwwSVr3OOR82CqqLoH3szu5C7L/BS0M2Y=; b=KmWkdOw7Yzl9jJdl6GBTLIwROuFfWrHSTNv3RdekAHLXH3ixUuBKhjv2/40LwKo+CZ mFyaH1PY1HQ9pjcJWDIxZzzHsURtSfXuahXm0wumBIhoupS/Zr5sVoAqrRZSY8tAo46d TWZ9p3dz+nNujxF1ZTNzDEzgXUbzFumd06xhZgE4vPVuGNFXctlZlCsUI+mgXwlkfy8J TgYZCS2xrIbCJBYttJewaPCmOUXtaYckGfoFb2DZNb6p6gtYhsXDqPJFC+0BjaGkOrSU bXVQM8lefRLflV8L/zPXyypzeJXwmgwu5RKG6udE3Cn7PUH5whYcwjnQxXvlQppfrp+j fVtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707863957; x=1708468757; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=f+XclenF7edwwSVr3OOR82CqqLoH3szu5C7L/BS0M2Y=; b=ZP9diq8woxkbkZ9VxzDfpPYBbxq9RBKvsoyQhAePJfdliY8qT2Z0gJLOCnT2xaVB71 6mfPj+SiGlNbuCqGxBEAQbRBqLe6FNYCgYYnJ01BaZUwfukX3E7RbTrdk7jmr6AFR3h8 N3wxpKAP3kOy1111mLie8OxCnvFAHgImV7m25Bp7IvJ126Q7QBnmneIHgKv+a1tUD8ij jJULMoqWYHiu4/eCsVrGULCWF3MNu+4RBbgJ/4jA8hLxhIP7KshCPLrbVphf7FzlHbCM fRRtsLoh3POuLpfZ/ofH1BkbLWTdl5v9rwzSOEsChzO5htiZ3kCJQL64hKocEkXJgZbj 6M7g== X-Gm-Message-State: AOJu0YyYcX2LInOiT0FRWj7poXcyzF9RLhGS/ePWYsDcVfbPOKnOAWmm 0AVWZz23bqkH7bGu4KM9v3H2l9yXeeDG94au/IJ3TpAdOEl3/Fd/cxxKUJNFtRwAxHcDAFgxZSV Bu9zPa3uh1CtbFGF4RA== X-Google-Smtp-Source: AGHT+IEcc9zr27PaqvdbS3eM06FWNElPCCH1CI70az8q5NCXA70g8DXiOv+Y8BsNy6nYj39BxKXFXZimf3THa0dX X-Received: from ericchancf.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:4139]) (user=ericchancf job=sendgmr) by 2002:a25:d842:0:b0:dc6:e8a7:fdba with SMTP id p63-20020a25d842000000b00dc6e8a7fdbamr161224ybg.4.1707863957363; Tue, 13 Feb 2024 14:39:17 -0800 (PST) Date: Tue, 13 Feb 2024 22:39:09 +0000 In-Reply-To: <20240213223810.2595804-1-ericchancf@google.com> Mime-Version: 1.0 References: <20240213223810.2595804-1-ericchancf@google.com> X-Mailer: git-send-email 2.43.0.687.g38aa6559b0-goog Message-ID: <20240213223909.2596587-1-ericchancf@google.com> Subject: [PATCH v5 1/4] riscv/barrier: Define __{mb,rmb,wmb} From: Eric Chan To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, ericchancf@google.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240213_143918_870556_5FDCFD96 X-CRM114-Status: UNSURE ( 8.33 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Introduce __{mb,rmb,wmb}, and rely on the generic definitions for {mb,rmb,wmb}. Although KCSAN is not yet support, it can be made more consistent with generic instrumentation. Signed-off-by: Eric Chan --- arch/riscv/include/asm/barrier.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h index 110752594228..4c49a8ff2c68 100644 --- a/arch/riscv/include/asm/barrier.h +++ b/arch/riscv/include/asm/barrier.h @@ -20,9 +20,9 @@ __asm__ __volatile__ ("fence " #p "," #s : : : "memory") /* These barriers need to enforce ordering on both devices or memory. */ -#define mb() RISCV_FENCE(iorw,iorw) -#define rmb() RISCV_FENCE(ir,ir) -#define wmb() RISCV_FENCE(ow,ow) +#define __mb() RISCV_FENCE(iorw,iorw) +#define __rmb() RISCV_FENCE(ir,ir) +#define __wmb() RISCV_FENCE(ow,ow) /* These barriers do not need to enforce ordering on devices, just memory. */ #define __smp_mb() RISCV_FENCE(rw,rw) -- 2.43.0.687.g38aa6559b0-goog _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv