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 C83EECCD199 for ; Fri, 17 Oct 2025 05:32:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type: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=cRrMepEq1zeeaviRiwhhYVERLVa5EzlijQm7EIJDu7g=; b=O8EtWgK/U9AA6Pe5kf3wcyrlBX 08TUEuOjH7dgTXtxc1VXgD6GpjzKckiesRPwc9IrnnzYLOVY9kL9/rXHWOR0nECdfnpBgQ1axJ58+ zlfvj4DNMZQH8jb/LUxTDv52+b8hjEOZ7xfrU4nuOh2rKeVwap9ovEIFaUuJQ0t21CkKmXfldjNrv Lly2xYg8KyiK4eFXeSUaFwRtfeOhuiIrHGAjaEH4jxf/8NfPYe2njGiqAzVSPAoSMAyRU9fcSH2BZ owNoDPNuwlx+TZpFU6ruCI6RZOyAewdvDDrkms5PHJFqndNlXP/hajnoC/35DWyKpRARh1kRb1fFJ 7GRKwX8w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v9d4e-00000006cvS-1SkG; Fri, 17 Oct 2025 05:32:20 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v9d4d-00000006cv1-0XQp for linux-nvme@lists.infradead.org; Fri, 17 Oct 2025 05:32:19 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 8C7CA641DB; Fri, 17 Oct 2025 05:32:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF116C113D0; Fri, 17 Oct 2025 05:32:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760679138; bh=XPHX/eHvGPXhe7Cbw4X4FLHQozypPe//xTo6GQUz20c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gCjpkbiShSqT4gKgh1M2MEZbEZ2Vc/DNTaksMsNyGFGAB1tAEABTaYT2P/W8Ext8E 2sg1w2LFPRf+it0F42GOcnS+m75CoSGR2se6be0FYCunVEjzyOPeWtx5a0rDWv8Lg0 9HwGZIUIQL2t+K8t1djhHWLDh0fl74n7CXM1TzH8bqOZc25h92JFjisC7Gcel+0j2A zU1+0C2NvTDryR7yu1HXF/cbyf7Em6FwtN95gzi4QgvGtquhvsSMFadA+g1bgQB3+f 8wrqPc4hdSmyuHfOey1noWZTc6v8WB6cpXFsWtiE2zaD4UoHr/5i6KCgG1YwOdICtT VAvhY7B70Yl5Q== From: Leon Romanovsky To: Jens Axboe , Keith Busch , Christoph Hellwig , Sagi Grimberg Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org Subject: [PATCH 1/3] blk-mq-dma: migrate to dma_map_phys instead of map_page Date: Fri, 17 Oct 2025 08:31:58 +0300 Message-ID: <20251017-block-with-mmio-v1-1-3f486904db5e@nvidia.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251017-block-with-mmio-v1-0-3f486904db5e@nvidia.com> References: <20251017-block-with-mmio-v1-0-3f486904db5e@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.15-dev Content-Transfer-Encoding: 8bit X-BeenThere: linux-nvme@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-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Leon Romanovsky After introduction of dma_map_phys(), there is no need to convert from physical address to struct page in order to map page. So let's use it directly. Reviewed-by: Keith Busch Signed-off-by: Leon Romanovsky --- block/blk-mq-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/blk-mq-dma.c b/block/blk-mq-dma.c index 449950029872..4ba7b0323da4 100644 --- a/block/blk-mq-dma.c +++ b/block/blk-mq-dma.c @@ -93,8 +93,8 @@ static bool blk_dma_map_bus(struct blk_dma_iter *iter, struct phys_vec *vec) static bool blk_dma_map_direct(struct request *req, struct device *dma_dev, struct blk_dma_iter *iter, struct phys_vec *vec) { - iter->addr = dma_map_page(dma_dev, phys_to_page(vec->paddr), - offset_in_page(vec->paddr), vec->len, rq_dma_dir(req)); + iter->addr = dma_map_phys(dma_dev, vec->paddr, vec->len, + rq_dma_dir(req), 0); if (dma_mapping_error(dma_dev, iter->addr)) { iter->status = BLK_STS_RESOURCE; return false; -- 2.51.0