From patchwork Mon May 17 09:55:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongji Xie X-Patchwork-Id: 440506 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 035F0C433ED for ; Mon, 17 May 2021 09:56:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D43A8611CA for ; Mon, 17 May 2021 09:56:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236149AbhEQJ5S (ORCPT ); Mon, 17 May 2021 05:57:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236089AbhEQJ5Q (ORCPT ); Mon, 17 May 2021 05:57:16 -0400 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEA1FC06175F for ; Mon, 17 May 2021 02:56:00 -0700 (PDT) Received: by mail-pl1-x630.google.com with SMTP id v13so2830470ple.9 for ; Mon, 17 May 2021 02:56:00 -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=Ygd6Y3pMMIE3RUljThmAuE4r52Kqy5h8O2JQV7ru1VE=; b=CfGZ0PIMRYu4HZPQTqyHPr1YCzbRVLXIMfeN4edm7scYV+U9MYChU0jqbjBaSYww8W x34cC9/BMlqozDzEDG8ux9bhvujMR9dQUSals7Y5Q6Z1Ic9ux5H7kh6skw81G6vCSEuj qvAj7zfktNXLCd1rUIgxI87C26tOnzC7+pVGuD1g/0Lv5qn8oiSuf1+7+eWR6D+6V+Us mf1DA4vTKCekvwxQldEXP7DGoACUCXG3tr2GgElhChFw367kHCgwfpQSfxiMYchniS3x 3QikwhZOKWcBciqgNHjjH9ktT79H4PFjZ9sUPr0lm6w4kGIx2J2u98pIhDIqi7lIhPpV gsYg== 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=Ygd6Y3pMMIE3RUljThmAuE4r52Kqy5h8O2JQV7ru1VE=; b=hcrDARpqcQCHpayGg1MLVLjNxTjghAyjFHPJGMgRGFk76PRhBK9HTub6RhI0zIx9K2 vFeDD41yZUxhPfQSAyZgsnyvvmKnt9puqFNa7+ecTfU/liayRZmAj1HjRtn/INfyo/F7 Ig+tahrvNpWKRPZD12BX04aH6n17FpndlJElXh4KXF4OJL7Kxgu9m2BD1ZLpx0WwBOWo C28qYch0+UDfl2uLGYDIxCXcxfU9mEOQgHwMKp/Sas+Fnn1L9I8K7R2zmUQMUYPWSy3Q aFnpohWwyW62dz1pd/eOmuaA1jY/gfMjH3TQoGYKZDPsZo3TOjOFWo/drUWE1bH92e2R L5Cg== X-Gm-Message-State: AOAM531F3xESWNZMDAM+llwCscX0QrSWzXPDiqthYfG3VhSzaL5UjGv5 LPOPJm3BLx8qrT0SWUQ8DnQz X-Google-Smtp-Source: ABdhPJxcu8VbEVbQ6UidxIbU5FzeWTHg5acjJx2pdfr2qW4l4EQrVjPUuXEDDezt/Znh1VwtXb7+/w== X-Received: by 2002:a17:90a:6c23:: with SMTP id x32mr30960965pjj.228.1621245360342; Mon, 17 May 2021 02:56:00 -0700 (PDT) Received: from localhost ([139.177.225.253]) by smtp.gmail.com with ESMTPSA id q24sm10233373pjp.6.2021.05.17.02.55.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 May 2021 02:56:00 -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 Cc: 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 v7 01/12] iova: Export alloc_iova_fast() Date: Mon, 17 May 2021 17:55:02 +0800 Message-Id: <20210517095513.850-2-xieyongji@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210517095513.850-1-xieyongji@bytedance.com> References: <20210517095513.850-1-xieyongji@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Export alloc_iova_fast() so that some modules can use it to improve iova allocation efficiency. Signed-off-by: Xie Yongji --- drivers/iommu/iova.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index e6e2fa85271c..317eef64ffef 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -450,6 +450,7 @@ 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