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[23.128.96.18]) by mx.google.com with ESMTP id e2si20755978edq.550.2021.07.13.01.50.29; Tue, 13 Jul 2021 01:50:52 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@bytedance-com.20150623.gappssmtp.com header.s=20150623 header.b=NFS9sf7o; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=bytedance.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234875AbhGMIuS (ORCPT + 99 others); Tue, 13 Jul 2021 04:50:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234856AbhGMIuQ (ORCPT ); Tue, 13 Jul 2021 04:50:16 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02B65C0613E9 for ; Tue, 13 Jul 2021 01:47:27 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id m83so11255306pfd.0 for ; Tue, 13 Jul 2021 01:47:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=omwDqSVrMraB8zPCmbagpNybYhuwUgLxPSaQSPVKs0I=; b=NFS9sf7oZs6OfC3ePyWxWOFYPRWYuHJEmSuowU4+A/AN9SkO5oklzsdY2KXu8XLaK/ RtjCDzBNyMsdIgaq+gdMB7X3iSEzGHSn43PT3yYRI1O50eXo3lcMJohxW+FjS73Fgzhz cByWfSfvdlPZnHSM2paax8FVHByTKAKS59DKXws2obexLNMYBSz4JwJpnlbAFJbXemnl muonmUyFpQcCa6tNLtEtmhQrzdudI5qv9lDhSdlcAC7ix0U02RmFBKcz7hR6i8/sr/Il miY9BiEVBFNOzq9HdHWN3Ltqrr/qolEO7tzr92l33+PTeqr/Mh3jyfO+z8sDGyszPXwg lRGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=omwDqSVrMraB8zPCmbagpNybYhuwUgLxPSaQSPVKs0I=; b=AC+fAWByIevBnm0bbOMiQrMtB9NF7VLBFdPY8wTeEKPgtDmu7gS/K03X+u3aC/WtOl WUdVKrieIAZ549Viozyoz+Gj1fE2ZkURo19Z/TljS3shJwsL+c61yM74jOn42/VWGmpS AMoigKpeMax9K2dLKDpZbJQz7eoZwy5caQSbSMh0fq9eScBt6cWnvh23B+GHbJ5oGPPd SYFAUFg6N9USUaXK93D3XeWx86dJIKwArHcfmIFVk0hnhhAZYQZeRm7ck+4RgmwDL2lL 6uXFvSOmEMktEF9dMZJv/a6bFdr+MI1Hjxdr5tbnDEGOJgoAKN5RpdwCoOuDYTLuTQ/E aEOQ== X-Gm-Message-State: AOAM5324rbCa7X1sOWLewLJEdSmYSjfXzhsSJYSlyHpQ7FKysZYjZLy3 c627KrxQBbhmcKzkl3USmGb/ X-Received: by 2002:a63:1266:: with SMTP id 38mr3331831pgs.154.1626166046577; Tue, 13 Jul 2021 01:47:26 -0700 (PDT) Received: from localhost ([139.177.225.253]) by smtp.gmail.com with ESMTPSA id j21sm18231301pfn.35.2021.07.13.01.47.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jul 2021 01:47:26 -0700 (PDT) From: Xie Yongji To: mst@redhat.com, jasowang@redhat.com, stefanha@redhat.com, sgarzare@redhat.com, parav@nvidia.com, hch@infradead.org, christian.brauner@canonical.com, rdunlap@infradead.org, willy@infradead.org, viro@zeniv.linux.org.uk, axboe@kernel.dk, bcrl@kvack.org, corbet@lwn.net, mika.penttila@nextfour.com, dan.carpenter@oracle.com, joro@8bytes.org, gregkh@linuxfoundation.org, zhe.he@windriver.com, xiaodong.liu@intel.com Cc: songmuchun@bytedance.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 01/17] iova: Export alloc_iova_fast() and free_iova_fast() Date: Tue, 13 Jul 2021 16:46:40 +0800 Message-Id: <20210713084656.232-2-xieyongji@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210713084656.232-1-xieyongji@bytedance.com> References: <20210713084656.232-1-xieyongji@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Export alloc_iova_fast() and free_iova_fast() so that some modules can use it to improve iova allocation efficiency. Signed-off-by: Xie Yongji --- drivers/iommu/iova.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index b6cf5f16123b..3941ed6bb99b 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -521,6 +521,7 @@ alloc_iova_fast(struct iova_domain *iovad, unsigned long size, return new_iova->pfn_lo; } +EXPORT_SYMBOL_GPL(alloc_iova_fast); /** * free_iova_fast - free iova pfn range into rcache @@ -538,6 +539,7 @@ free_iova_fast(struct iova_domain *iovad, unsigned long pfn, unsigned long size) free_iova(iovad, pfn); } +EXPORT_SYMBOL_GPL(free_iova_fast); #define fq_ring_for_each(i, fq) \ for ((i) = (fq)->head; (i) != (fq)->tail; (i) = ((i) + 1) % IOVA_FQ_SIZE) -- 2.11.0