From patchwork Thu Jun 24 17:17:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 12342673 X-Patchwork-Delegate: bhelgaas@google.com 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 B9BC2C49EB7 for ; Thu, 24 Jun 2021 17:18:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9CE4661166 for ; Thu, 24 Jun 2021 17:18:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232186AbhFXRU5 (ORCPT ); Thu, 24 Jun 2021 13:20:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232370AbhFXRUt (ORCPT ); Thu, 24 Jun 2021 13:20:49 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E973C061787 for ; Thu, 24 Jun 2021 10:18:29 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id q192so5743845pfc.7 for ; Thu, 24 Jun 2021 10:18:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ltzQtO7QGv7ihuZ03SI1P6XFOPcuSJGUvlCT/41r+iE=; b=E3OBm6d+DSXVCCSeW92dikvGwmwuqWU/DsoUwEYgJrR2tlg8YH4d/NZF7DVqR7/He+ LenZJUO1mfAjegUrPWjAnmmG5S7PCCZ42geQk165WsFmQEdnb0Ad39+HwartwwMFYgMQ 9jjJUrS+i22102pFcWK6Q0jsikCiBKGzI6+UY= 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=ltzQtO7QGv7ihuZ03SI1P6XFOPcuSJGUvlCT/41r+iE=; b=p7y8CiGVHLhTnsUjKNlql5Y2oJFS7n6f+XOZ5lq9+RDDwlCDqKHrn2/mWUW1tUhFIu 4jLXwHaLPxpXHTJj3Z8L2aj0JA+juiC1i2rZsQiymiUO0ZLPPHqcRAr/zNY8XlGDOnBu hhskmgvxyYmkNakEp1le01jEFOmxyOryQMcInezz1VF8o5cmTSkYljrzXV9YMWib0JC3 AxdPLODG2wngoWyiUtL1jpvaZwSQCeN1qPkaKBmZ2sBVgoxkRrn6WxfZqjVtayMF7+R2 1RmN+HYGU69erNGTM/efSPR/0tnK1FPXAttOjN++7DRXZESp86TdHXdr8jx7rYZXY+Aw +/zA== X-Gm-Message-State: AOAM533Tsd5EbNJey0b06rul8Qj/ZwUmiwKLjAO+j0YNpa1C/zX/u+g2 ioVMgh36436TuDwyCVGBp5o9Fg== X-Google-Smtp-Source: ABdhPJy3hQDCnPl6h1dVLCWoQFoDYGjFrg2/1rsYH0TJwFbq3jVshaM62dCqdnk2IUlzQb/NxFXZ3A== X-Received: by 2002:a63:1263:: with SMTP id 35mr5496773pgs.221.1624555108972; Thu, 24 Jun 2021 10:18:28 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:201:fd74:62bc:19e3:a43b]) by smtp.gmail.com with ESMTPSA id z9sm3365960pfa.2.2021.06.24.10.18.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jun 2021 10:18:28 -0700 (PDT) From: Douglas Anderson To: will@kernel.org, robin.murphy@arm.com, joro@8bytes.org, bjorn.andersson@linaro.org, ulf.hansson@linaro.org, adrian.hunter@intel.com, bhelgaas@google.com Cc: john.garry@huawei.com, robdclark@chromium.org, quic_c_gdjako@quicinc.com, saravanak@google.com, rajatja@google.com, saiprakash.ranjan@codeaurora.org, vbadigan@codeaurora.org, linux-mmc@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org, sonnyrao@chromium.org, joel@joelfernandes.org, Douglas Anderson , Jordan Crouse , Krishna Reddy , Nicolin Chen , Thierry Reding , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] iommu/arm-smmu: Check for strictness after calling impl->init_context() Date: Thu, 24 Jun 2021 10:17:58 -0700 Message-Id: <20210624101557.v2.2.I0ddf490bdaa450eb50ab568f35b1cae03bf358f0@changeid> X-Mailer: git-send-email 2.32.0.93.g670b81a890-goog In-Reply-To: <20210624171759.4125094-1-dianders@chromium.org> References: <20210624171759.4125094-1-dianders@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Implementations should be able to affect the strictness so reorder a little bit so we call them before we look at the strictness. Signed-off-by: Douglas Anderson --- Changes in v2: - Patch moving check for strictness in arm-smmu new for v2. drivers/iommu/arm/arm-smmu/arm-smmu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index 6f72c4d208ca..659d3fddffa5 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -761,15 +761,15 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, .iommu_dev = smmu->dev, }; - if (!iommu_get_dma_strict(domain)) - pgtbl_cfg.quirks |= IO_PGTABLE_QUIRK_NON_STRICT; - if (smmu->impl && smmu->impl->init_context) { ret = smmu->impl->init_context(smmu_domain, &pgtbl_cfg, dev); if (ret) goto out_clear_smmu; } + if (!iommu_get_dma_strict(domain)) + pgtbl_cfg.quirks |= IO_PGTABLE_QUIRK_NON_STRICT; + if (smmu_domain->pgtbl_quirks) pgtbl_cfg.quirks |= smmu_domain->pgtbl_quirks;