From patchwork Thu Apr 1 15:52:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12178319 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 292E3C433ED for ; Thu, 1 Apr 2021 16:14:29 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 C2F6061184 for ; Thu, 1 Apr 2021 16:14:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2F6061184 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/PbMiCXltIivKRNmaIZCQGtHilg6x3lXq8k+sns6S8k=; b=FzgSVyZjrjB4p46J3YfCE91bh cFDqnkPyCdGTU94FORhUD8ZQ28bwO5rd13LR4B11HvsE4DnEux2veWTR8oLHPK8+5OISGHhLDpRid LIpTYUx8KdD1pm0hc2eH1PnKjamkUPHpS+rUk2qlwLgB/T2BilxDSitrfVhgRn0OsgClu9iJzAQth kW1lj5+3yWaTJHZWqDCEMn3M2TnmFSNyUtnTIWk2zGL8XbuWfVVo3PPPgDD5dikC3bqSQMNC/lX82 o2BFD/7BppkdZ07sJXDWeTFEHaO+4kGHNZTjxxlXdmlksC4NmjTp3PQu+FCSnWd9FtGkKw81cTdCa Hp2jiprMg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lRzwL-00AC3M-Rn; Thu, 01 Apr 2021 16:13:02 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lRzdv-00A6Le-Mq for linux-arm-kernel@lists.infradead.org; Thu, 01 Apr 2021 15:54:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=dA6aRKwdw9J8So+O8+0bp+rSmQwVyYYKYWe85X1bhW4=; b=Xx5pdH72zTTmwhOaHo6tzjQO7g e4GZrJego1I3TJIIVBK1qHs3CHRFfzdQx/+M4oCoWcuHMTZn1kNzHgtQNE7iD0IwZY11XI3xu4ekN 400CARd3X6XGhhTTHIaQ+A/pxD5DU8xuynd6GrtMNB3xfXd3gEfX/sHeQm/4hIgsp7SlZws2A0V2L Srxnr6gYuRyVOS/NI3PiIvOoK6O0CIUNqTQFrCF+0d0cRU2leTSCbsOcoLztI9+wTXfRXLeKkdCsQ wuORsvm7lfxJH0IdNGBZ6eR8t+7AnkyEIuOI3tz23BxIVq81dYGEMunU9nz+qPUSVhvTl4Mn4qtTA XG3x8GrA==; Received: from [2001:4bb8:180:7517:83e4:a809:b0aa:ca74] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lRzdi-00Cid8-SW; Thu, 01 Apr 2021 15:53:47 +0000 From: Christoph Hellwig To: Joerg Roedel , Will Deacon , Li Yang Cc: Michael Ellerman , David Woodhouse , Lu Baolu , linuxppc-dev@lists.ozlabs.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [PATCH 14/20] iommu: remove DOMAIN_ATTR_PAGING Date: Thu, 1 Apr 2021 17:52:50 +0200 Message-Id: <20210401155256.298656-15-hch@lst.de> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210401155256.298656-1-hch@lst.de> References: <20210401155256.298656-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DOMAIN_ATTR_PAGING is never used. Signed-off-by: Christoph Hellwig Acked-by: Will Deacon Acked-by: Li Yang --- drivers/iommu/iommu.c | 5 ----- include/linux/iommu.h | 1 - 2 files changed, 6 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index b212bf0261820b..9a4cda390993e6 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2668,7 +2668,6 @@ int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr attr, void *data) { struct iommu_domain_geometry *geometry; - bool *paging; int ret = 0; switch (attr) { @@ -2676,10 +2675,6 @@ int iommu_domain_get_attr(struct iommu_domain *domain, geometry = data; *geometry = domain->geometry; - break; - case DOMAIN_ATTR_PAGING: - paging = data; - *paging = (domain->pgsize_bitmap != 0UL); break; default: if (!domain->ops->domain_get_attr) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 840864844027dc..180ff4bd7fa7ef 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -108,7 +108,6 @@ enum iommu_cap { enum iommu_attr { DOMAIN_ATTR_GEOMETRY, - DOMAIN_ATTR_PAGING, DOMAIN_ATTR_NESTING, /* two stages of translation */ DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, DOMAIN_ATTR_IO_PGTABLE_CFG,