From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D16158105 for ; Tue, 13 Feb 2024 14:26:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707834401; cv=none; b=Tp32VblZPjkNyjGSBbpmQEITUwwDwXSrOaPWWWmN1xX0W5e9oSKjl8pnMWDmh1TuVliL7o+SijW5lBUYVPnqG9frXb9ndDaK+Kcy4O2F6+ZTnOEKsimV4ABfm3vZHHm3kWyEgmy4v6UvQLqBNQFfxNvpB0ZDi64G9Wx200KRQhM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707834401; c=relaxed/simple; bh=qASUrS+vOBVFIIQET0iuHRIXBWXJrlz2fHoqjkLMSmo=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=s/MZs7mh/Tun2m7bvXFSF7CaJGa9pRP+MeuSrrb76anITzInJQ31OhtKLvvf5OoJpW03mmRpVEUqe9p4gJ94yFpuOLJR8T5QdF1lARA/Qfrwg5mZwtF+5BTDwotB9Ou6OWTIeflqXMy488hFfd4ko0Ow/juuyurNEWmBrrI0PFY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--ericchancf.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=iC4on0MO; arc=none smtp.client-ip=209.85.219.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--ericchancf.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="iC4on0MO" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-dc6b5d1899eso7081828276.0 for ; Tue, 13 Feb 2024 06:26:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1707834399; x=1708439199; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=BXEQKabWvB1bJJHi91N778ioTs4M81H6SuoVCunbpKI=; b=iC4on0MOXWKUZIhN7mW8sYPwRmMZ0uQCP+Z7JTWrQXkG3qO8PhdFR/QY5n2Q8LSnJa gY4eT5LAfTu/bXEqqXEVTdAxrfM3idO/9DNoe6aKnUB5iXMNdsrXa0L765DQUdY9JWdj qyqocX4Fva9WyBXTGL87bWeyHqN7uZYj3Oast9l8ez2nZDXELm3s8kBtJeR3VBbmneCG gYF9LlPptRyimrMtBcSB6YIHAok8YQua1iQXB9S7lrKR1Hg2D8LUXNE3bGjdB9iFVfFz HKXdA6m6D0VDTlED8uQ38v1HAT88p5jYXETQaFeX0UZEKnWyYS7vi/ba/GRndYOrz87u V4wA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707834399; x=1708439199; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=BXEQKabWvB1bJJHi91N778ioTs4M81H6SuoVCunbpKI=; b=MEGM1fAAXA6mO/rgZ3gEIM2niH4DspJGfgWfEdHKARU8i9bSH96hTYLJKeH88ZWQgB 9n5eYg8SRz1VHyDdhOWcHwsKyKGkM3SAPWTbl7ieOhaoswPiuG2xrlYyCi6lVHTnvhKL wkH50kW8WC1Bvisu2APdq22anETQCfTTnK/L58kzgo5gvQRCdqBFIEeLYpZg7JJUJKXU x4zA9BKbRHcspJ0dUtQFbAxiEyBjcK1xzCp3LCpb+3VXYxKMfno/ymrfgHpTbVwvtRuC PtA07fZW+OXOFqMYnj0reiTx+3MDYgKD8iVjI2dC33iurB/sOkbr5n7es0NPjrQl+FDd CvdA== X-Forwarded-Encrypted: i=1; AJvYcCXaF8+IXvsLnep51J4I/hGr9Qt4huDz/tK+xfqYrkJd03K0eEUa8SnPpk/sSH+/XYRbo64r7Qv2zI27WqvbboK+cZgDTUTlHZmYKvgr X-Gm-Message-State: AOJu0YwN11BNIVU10WJoNtRJ64nOlJXBoKTY3v8+D2euxwW8pPapBmEz 3zI/aEA6kV9rkOBi+v3RYustdDiT3dHm2/CFIG31RlAj3FrvsK59TzxiuSd9i5TI/Tysrc1R2BP 5IY8fXXnYDa+I53dAtw== X-Google-Smtp-Source: AGHT+IHea2Q/ymFpGwvd1rep/akiLkqQzrKrZSAjVHimm9/M2Ji6KNJv8IiH8r9fY0dWo/q7kKW4wkes3yOj8Nq0 X-Received: from ericchancf.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:4139]) (user=ericchancf job=sendgmr) by 2002:a05:6902:1109:b0:dbf:4359:326a with SMTP id o9-20020a056902110900b00dbf4359326amr632590ybu.1.1707834399195; Tue, 13 Feb 2024 06:26:39 -0800 (PST) Date: Tue, 13 Feb 2024 14:26:31 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.43.0.687.g38aa6559b0-goog Message-ID: <20240213142632.2415127-1-ericchancf@google.com> Subject: [PATCH v3 0/4] riscv/barrier: tidying up barrier-related macro 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 Content-Type: text/plain; charset="UTF-8" This series makes barrier-related macro more neat and clear. This is a follow-up to [0], change to multiple patches, for readability, create new message thread. v2 -> v3: split the patch into multiple patches for one problem per patch. Also review the changelog to make the description more precise. v1 -> v2: makes compilation pass with allyesconfig instead of defconfig only, also satisfy scripts/checkpatch.pl. - (__asm__ __volatile__ (RISCV_FENCE_ASM(p, s) : : : "memory")) + ({ __asm__ __volatile__ (RISCV_FENCE_ASM(p, s) : : : "memory"); }) [0] https://lore.kernel.org/lkml/20240209125048.4078639-1-ericchancf@google.com/ Eric Chan (4): riscv/barrier: Define __{mb,rmb,wmb} riscv/barrier: Define RISCV_FULL_BARRIER riscv/barrier: Consolidate fence definitions riscv/barrier: Resolve checkpath.pl error arch/riscv/include/asm/atomic.h | 24 ++++++++++-------------- arch/riscv/include/asm/barrier.h | 21 ++++++++++----------- arch/riscv/include/asm/cmpxchg.h | 5 ++--- arch/riscv/include/asm/fence.h | 10 ++++++++-- arch/riscv/include/asm/io.h | 8 ++++---- arch/riscv/include/asm/mmio.h | 5 +++-- arch/riscv/include/asm/mmiowb.h | 2 +- 7 files changed, 38 insertions(+), 37 deletions(-) -- 2.43.0.687.g38aa6559b0-goog