From patchwork Tue Mar 1 10:53:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12764548 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A2B0C43217 for ; Tue, 1 Mar 2022 10:53:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234380AbiCAKyM (ORCPT ); Tue, 1 Mar 2022 05:54:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231738AbiCAKyL (ORCPT ); Tue, 1 Mar 2022 05:54:11 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA0BB2654C; Tue, 1 Mar 2022 02:53:29 -0800 (PST) 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=fpYq2gch6ejmPkcFKPjSyDr7OAs4OQSLe0uyAoUEPa0=; b=fPAUDOwUGnyXtx+hZA5zj2Ej4o HV9I6mYI0fayhovoE3oLXfq8qlMel6pFXXEc1mFWZvLXjhqfrbEyGhTBlOaKUDjaA5CMiNeYGJSlR GdeXeohIETuTXXnuIlqxqGPh/VMWo8hZjPyELE8feSOsKIkrkw8+qaC6yMhYVu17XpDc82M+q7Bjt P632yeVc6VELpePyjZp8VgOAEAH7yaxooKuzgDiHjXqCwex8uGIgNuXO8DeKOfVen/Dat6rNPrxN6 ijjP0c7VtoQrVKhle4tTPRFAXwLIjwChLUwuVEdyRedzAx7rh05DpVyMdlXZjiKBQ/Hagn5ofY1Vr BAWrqPTg==; Received: from [2.53.44.23] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nP086-00GCwl-PS; Tue, 01 Mar 2022 10:53:19 +0000 From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Stefano Stabellini , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org Subject: [PATCH 01/12] dma-direct: use is_swiotlb_active in dma_direct_map_page Date: Tue, 1 Mar 2022 12:53:00 +0200 Message-Id: <20220301105311.885699-2-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220301105311.885699-1-hch@lst.de> References: <20220301105311.885699-1-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 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Use the more specific is_swiotlb_active check instead of checking the global swiotlb_force variable. Signed-off-by: Christoph Hellwig Reviewed-by: Anshuman Khandual --- kernel/dma/direct.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/dma/direct.h b/kernel/dma/direct.h index 4632b0f4f72eb..4dc16e08c7e1a 100644 --- a/kernel/dma/direct.h +++ b/kernel/dma/direct.h @@ -91,7 +91,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev, return swiotlb_map(dev, phys, size, dir, attrs); if (unlikely(!dma_capable(dev, dma_addr, size, true))) { - if (swiotlb_force != SWIOTLB_NO_FORCE) + if (is_swiotlb_active(dev)) return swiotlb_map(dev, phys, size, dir, attrs); dev_WARN_ONCE(dev, 1,