From patchwork Thu Sep 5 11:34:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11132849 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 57C2C16B1 for ; Thu, 5 Sep 2019 11:43:15 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 3322620825 for ; Thu, 5 Sep 2019 11:43:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="jCyEr776" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3322620825 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i5q8v-0002OO-8h; Thu, 05 Sep 2019 11:41:37 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i5q8t-0002Na-Vk for xen-devel@lists.xenproject.org; Thu, 05 Sep 2019 11:41:36 +0000 X-Inumbo-ID: 11970754-cfd2-11e9-978d-bc764e2007e4 Received: from bombadil.infradead.org (unknown [2607:7c80:54:e::133]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 11970754-cfd2-11e9-978d-bc764e2007e4; Thu, 05 Sep 2019 11:41:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; 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:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=nKfAd6kn7o0OFMdVf0qLOsCzeZUMPjFVUBcPofF+5Rg=; b=jCyEr776D3nxSkDU85Kvr2nKrg apvn3y/CKNNzAYALPDIhVibSrHwWiZptPpAvFHGSmsyoqFLiX4JOxzMmjvsnEdzvmTBhW0K3gvYYy faYTytyZvmYvLzHN0CgJoMZklGXamvbnhN1tdDhr8YRwmKKMmH4OUhgB/bOBtwKPERKdaB0Aabgw9 slt55H8YrhCei0l6wdNevU1pcA9/535gVuWS3mxqV5D1PkQFcq1mjavOgPlTa57Un66VTXCAU2GIe xb5r/0Dik7Is4JYGc9OQSTYZuR/syJrQKielTJvaTZr66ooXXiQI/8JOletIyEfbFMTTqq80k4avj pCxcwslg==; Received: from [2001:4bb8:18c:1755:a4b2:9562:6bf1:4bb9] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1i5q8V-0005BS-QT; Thu, 05 Sep 2019 11:41:12 +0000 From: Christoph Hellwig To: Stefano Stabellini , Konrad Rzeszutek Wilk , gross@suse.com, boris.ostrovsky@oracle.com Date: Thu, 5 Sep 2019 13:34:07 +0200 Message-Id: <20190905113408.3104-11-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190905113408.3104-1-hch@lst.de> References: <20190905113408.3104-1-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 Subject: [Xen-devel] [PATCH 10/11] swiotlb-xen: merge xen_unmap_single into xen_swiotlb_unmap_page X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, iommu@lists.linux-foundation.org, x86@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" No need for a no-op wrapper. Signed-off-by: Christoph Hellwig Reviewed-by: Stefano Stabellini --- drivers/xen/swiotlb-xen.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index f81031f0c1c7..1190934098eb 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -418,9 +418,8 @@ static dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, * After this call, reads by the cpu to the buffer are guaranteed to see * whatever the device wrote there. */ -static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr, - size_t size, enum dma_data_direction dir, - unsigned long attrs) +static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, + size_t size, enum dma_data_direction dir, unsigned long attrs) { phys_addr_t paddr = xen_bus_to_phys(dev_addr); @@ -434,13 +433,6 @@ static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr, swiotlb_tbl_unmap_single(hwdev, paddr, size, dir, attrs); } -static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, - size_t size, enum dma_data_direction dir, - unsigned long attrs) -{ - xen_unmap_single(hwdev, dev_addr, size, dir, attrs); -} - static void xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction dir) @@ -481,7 +473,8 @@ xen_swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems, BUG_ON(dir == DMA_NONE); for_each_sg(sgl, sg, nelems, i) - xen_unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir, attrs); + xen_swiotlb_unmap_page(hwdev, sg->dma_address, sg_dma_len(sg), + dir, attrs); }