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 X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EE95C11D2F for ; Mon, 24 Feb 2020 16:59:12 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4289F20836 for ; Mon, 24 Feb 2020 16:59:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="fxdWSvL7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4289F20836 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 0FEBA84A6C; Mon, 24 Feb 2020 16:59:12 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZmJouHwwSAE3; Mon, 24 Feb 2020 16:59:11 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 7ABE085E25; Mon, 24 Feb 2020 16:59:11 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 67BF2C1D89; Mon, 24 Feb 2020 16:59:11 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 0215AC0177 for ; Mon, 24 Feb 2020 16:59:09 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id F334F84B62 for ; Mon, 24 Feb 2020 16:59:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DaiHS7j4zTJK for ; Mon, 24 Feb 2020 16:59:08 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-wm1-f68.google.com (mail-wm1-f68.google.com [209.85.128.68]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 5327D84A6C for ; Mon, 24 Feb 2020 16:59:08 +0000 (UTC) Received: by mail-wm1-f68.google.com with SMTP id p9so50253wmc.2 for ; Mon, 24 Feb 2020 08:59:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=HsNqDpM5GYOb0rP3SKvjSjiXAgrPp7/dDnFzXTvMfm0=; b=fxdWSvL7/PlqMuOjCbpoyDK0oOMZfWMx8Bn0sQViiqiE3H2JO3U4xq75c/gD0NU1IB 5LX+dV8sT5h1EGNCfmF3/Oc4OwWIiPSscSgJ9EdoXDkOLYlFea7GgkHZEKGQ4n3RX2xc tE0Z9fTNGrynG92HHnK+qNkjvWnd1/LmhQMR8Wkp+U8ifjROHa1WaQQXNc85lp2jIC+P lz56h7v5lvnlEFIVnmE4jx/Q/BDcbY3YEs++7gzkztWZ4dCkTt2gdyf4zasHzdwGusEP V4s2WLd6VesfOZIZPnXJjsJsg1FHR6SX/xW3H+Vqf2K7q/htUfeBaETDNaFwfGHo9nb3 TUyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HsNqDpM5GYOb0rP3SKvjSjiXAgrPp7/dDnFzXTvMfm0=; b=peSukDlAiLcc9NWZIlLT7ONRskP3TORSuHlAN2QLQHBcz6mxfd7e6l985itoYYP+R3 /4dympBFyoMph4HdyArLE67ipjFQN0gxZzaGXVls51fE2hpXCkjP05KEMQ+VkK+NkN/q xBd9JdNaEgoCuWVoTtoOHSJ46XnXdKb99FWJdTZDjHpb2NVEkmFRNucjV4AZBxAcvqKZ nGKnkRoH7xPRVAzDOgBjjMcaUbK92JAR/IAXeKSEduSmsP1Wqaf6mQ2a/UB6bXiuIDQ/ v7W0HrZbfhRtOVx7nSsRLClEO/shnjChdHJMWwrhunAdqIAnHtNtrnG6SG1JoZv5OBEp CDzw== X-Gm-Message-State: APjAAAXoXVrZvqbK5jG6piyf5FZzIApGA+zh9FSRObMM+aa7iPuKpj/f aWBHGIdgycUTOlGo1Zly0jdyNQ== X-Google-Smtp-Source: APXvYqxzLvSxV15TQeDzuS7Vx3zfQgb1/0PPrdplrfLn1QNB4Up5cq5+1azMjxbcKStUM/cjgwhbxA== X-Received: by 2002:a7b:c416:: with SMTP id k22mr35940wmi.10.1582563546869; Mon, 24 Feb 2020 08:59:06 -0800 (PST) Received: from localhost.localdomain ([2001:171b:c9a8:fbc0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id b10sm19473978wrt.90.2020.02.24.08.59.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Feb 2020 08:59:06 -0800 (PST) From: Jean-Philippe Brucker To: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, will@kernel.org, bhelgaas@google.com Subject: [PATCH v2 5/6] iommu/arm-smmu-v3: Batch context descriptor invalidation Date: Mon, 24 Feb 2020 17:58:45 +0100 Message-Id: <20200224165846.345993-6-jean-philippe@linaro.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200224165846.345993-1-jean-philippe@linaro.org> References: <20200224165846.345993-1-jean-philippe@linaro.org> MIME-Version: 1.0 Cc: zhangfei.gao@linaro.org, robin.murphy@arm.com, robh@kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Rather than publishing one command at a time when invalidating a context descriptor, batch the commands for all SIDs in the domain. Signed-off-by: Jean-Philippe Brucker --- drivers/iommu/arm-smmu-v3.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index beeec366bc41..12b2a0fa747e 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1512,6 +1512,7 @@ static void arm_smmu_sync_cd(struct arm_smmu_domain *smmu_domain, size_t i; unsigned long flags; struct arm_smmu_master *master; + struct arm_smmu_cmdq_batch cmds = {}; struct arm_smmu_device *smmu = smmu_domain->smmu; struct arm_smmu_cmdq_ent cmd = { .opcode = CMDQ_OP_CFGI_CD, @@ -1525,12 +1526,12 @@ static void arm_smmu_sync_cd(struct arm_smmu_domain *smmu_domain, list_for_each_entry(master, &smmu_domain->devices, domain_head) { for (i = 0; i < master->num_sids; i++) { cmd.cfgi.sid = master->sids[i]; - arm_smmu_cmdq_issue_cmd(smmu, &cmd); + arm_smmu_cmdq_batch_add(smmu, &cmds, &cmd); } } spin_unlock_irqrestore(&smmu_domain->devices_lock, flags); - arm_smmu_cmdq_issue_sync(smmu); + arm_smmu_cmdq_batch_submit(smmu, &cmds); } static int arm_smmu_alloc_cd_leaf_table(struct arm_smmu_device *smmu, -- 2.25.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu