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 X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 5C90DC48BD5 for ; Tue, 25 Jun 2019 09:21:12 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 32DC3214DA for ; Tue, 25 Jun 2019 09:21:12 +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="rg1rTX/q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32DC3214DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 58DFAD6A; Tue, 25 Jun 2019 09:21:06 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 29C65CDB for ; Tue, 25 Jun 2019 09:21:04 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id CC183836 for ; Tue, 25 Jun 2019 09:21:03 +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=b5u/6dbnjNFVPuFw6MZPknmAKjbCyVx5rSPaouLkS3U=; b=rg1rTX/qjeCwjR5rZEPw6HfjYd dhPa8iHSrxg7KVsS364oi4wqnBHReT1psNJUP9ClleZtp6P5r/PPv2FoyErWEJAbPd1CwL+REIboV f73Xade/0Mx69wBXLYmhAZIZiAKDymvjMgyiFZOGXEVVpOFYnXn46TKWcqHr/jKHBUQaJRDxVDBVI s8rJXiyQ5ip4dUQRpT7Q8C91Yzn5/XSlR4fK8mXwQ/hS/7wDtMRefzOkevkmX6ArMr8LOStyQx2QB LSfyCSwCBkY3f20ulntIUeBAPZpvhwOCoWCFt4dE3KQ3SWWHPAGl/mXOspuP/5XFcn469WuiOFcvC cxinccZA==; Received: from clnet-p19-102.ikbnet.co.at ([83.175.77.102] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hfhdE-0005k3-Cs; Tue, 25 Jun 2019 09:20:52 +0000 From: Christoph Hellwig To: Ulf Hansson Subject: [PATCH 1/2] mmc: let the dma map ops handle bouncing Date: Tue, 25 Jun 2019 11:20:41 +0200 Message-Id: <20190625092042.19320-2-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190625092042.19320-1-hch@lst.de> References: <20190625092042.19320-1-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 Cc: iommu@lists.linux-foundation.org, linux-mmc@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org Just like we do for all other block drivers. Especially as the limit imposed at the moment might be way to pessimistic for iommus. Signed-off-by: Christoph Hellwig --- drivers/mmc/core/queue.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index 3557d5c51141..e327f80ebe70 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -350,18 +350,15 @@ static const struct blk_mq_ops mmc_mq_ops = { static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card) { struct mmc_host *host = card->host; - u64 limit = BLK_BOUNCE_HIGH; unsigned block_size = 512; - if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) - limit = (u64)dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT; - blk_queue_flag_set(QUEUE_FLAG_NONROT, mq->queue); blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, mq->queue); if (mmc_can_erase(card)) mmc_queue_setup_discard(mq->queue, card); - blk_queue_bounce_limit(mq->queue, limit); + if (!mmc_dev(host)->dma_mask || !*mmc_dev(host)->dma_mask) + blk_queue_bounce_limit(mq->queue, BLK_BOUNCE_HIGH); blk_queue_max_hw_sectors(mq->queue, min(host->max_blk_count, host->max_req_size / 512)); blk_queue_max_segments(mq->queue, host->max_segs); -- 2.20.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu