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{
    "id": 665,
    "url": "http://patchwork.ozlabs.org/api/patches/665/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20080919.124553.193698159.davem@davemloft.net/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20080919.124553.193698159.davem@davemloft.net>",
    "list_archive_url": null,
    "date": "2008-09-19T19:45:53",
    "name": "Should we move IPVS out of net/ipv4 now?",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "5a70e70f5ae07efe3c7357e454cb39f2e7305b30",
    "submitter": {
        "id": 15,
        "url": "http://patchwork.ozlabs.org/api/people/15/?format=api",
        "name": "David Miller",
        "email": "davem@davemloft.net"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20080919.124553.193698159.davem@davemloft.net/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/665/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/665/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Received": [
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            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1753916AbYISTqH (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tFri, 19 Sep 2008 15:46:07 -0400",
            "(majordomo@vger.kernel.org) by vger.kernel.org id S1753775AbYISTqG\n\t(ORCPT <rfc822; netdev-outgoing>); Fri, 19 Sep 2008 15:46:06 -0400",
            "from 74-93-104-97-Washington.hfc.comcastbusiness.net\n\t([74.93.104.97]:49744\n\t\"EHLO sunset.davemloft.net\" rhost-flags-OK-FAIL-OK-OK)\n\tby vger.kernel.org with ESMTP id S1753699AbYISTqF (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Fri, 19 Sep 2008 15:46:05 -0400",
            "from localhost (localhost [127.0.0.1])\n\tby sunset.davemloft.net (Postfix) with ESMTP id 25912C8C181;\n\tFri, 19 Sep 2008 12:45:53 -0700 (PDT)"
        ],
        "Date": "Fri, 19 Sep 2008 12:45:53 -0700 (PDT)",
        "Message-Id": "<20080919.124553.193698159.davem@davemloft.net>",
        "To": "juliusv@google.com",
        "Cc": "horms@verge.net.au, csnook@redhat.com, lvs-devel@vger.kernel.org,\n\tnetdev@vger.kernel.org",
        "Subject": "Re: Should we move IPVS out of net/ipv4 now?",
        "From": "David Miller <davem@davemloft.net>",
        "In-Reply-To": "<f4845fc0809190247l631c2a56se956f46078b41ef3@mail.gmail.com>",
        "References": "<20080918235220.GD13536@verge.net.au>\n\t<20080918.170030.32445027.davem@davemloft.net>\n\t<f4845fc0809190247l631c2a56se956f46078b41ef3@mail.gmail.com>",
        "X-Mailer": "Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI)",
        "Mime-Version": "1.0",
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        "Content-Transfer-Encoding": "7bit",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "From: \"Julius Volz\" <juliusv@google.com>\nDate: Fri, 19 Sep 2008 11:47:13 +0200\n\n> The build with ARCH=um seems to have a problem with the\n> architecture-specific headers:\n> \n> net/core/skb_dma_map.c: In function 'skb_dma_map':\n> net/core/skb_dma_map.c:20: error: implicit declaration of function\n> 'dma_mapping_error'\n> \n> The bad commit that introduces the skb_dma_map.c file (and this error)\n> is a40c24a1336. Previous versions build fine.\n\nI'll commit the following to net-next-2.6, let me know if it doesn't\ntake care of the problem:\n\nnet: Fix build with ARCH=um\n\nIf UM is going to claim that it supports DMA by setting\nHAS_DMA, it should provide a dma_mapping_error() implementation.\n\nBased upon a report by Julius Volz.\n\nSigned-off-by: David S. Miller <davem@davemloft.net>",
    "diff": "diff --git a/include/asm-um/dma-mapping.h b/include/asm-um/dma-mapping.h\nindex f0ee4fb..90fc708 100644\n--- a/include/asm-um/dma-mapping.h\n+++ b/include/asm-um/dma-mapping.h\n@@ -118,4 +118,11 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,\n \tBUG();\n }\n \n+static inline int\n+dma_mapping_error(struct device *dev, dma_addr_t dma_handle)\n+{\n+\tBUG();\n+\treturn 0;\n+}\n+\n #endif\n",
    "prefixes": []
}