{"id":2466,"date":"2011-12-19T09:17:17","date_gmt":"2011-12-19T00:17:17","guid":{"rendered":"http:\/\/blog.bitmeister.jp\/?p=2466"},"modified":"2011-12-19T09:17:28","modified_gmt":"2011-12-19T00:17:28","slug":"linux%e3%81%aeuevent%e3%81%ae%e6%8c%99%e5%8b%95%e3%81%8cversion%e3%81%ab%e3%82%88%e3%81%a3%e3%81%a6%e9%81%95%e3%81%86","status":"publish","type":"post","link":"https:\/\/blog.bitmeister.jp\/?p=2466","title":{"rendered":"Linux\u306euevent\u306e\u6319\u52d5\u304cversion\u306b\u3088\u3063\u3066\u9055\u3046"},"content":{"rendered":"<p>Linux Kernel\u304b\u3089\u306e\u60c5\u5831\u3092PF_NETLINK\u3001NETLINK_KOBJECT_UEVENT\u306e\u30bd\u30b1\u30c3\u30c8\u3067\u5f85\u3061\u53d7\u3051\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u88c5\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u958b\u767a\u6a5f\u3068\u5b9f\u6a5f\u3067\u6319\u52d5\u304c\u9055\u3044\u3001\u8abf\u67fb\u3092\u884c\u3063\u305f\u306e\u3067\u5099\u5fd8\u9332\u3068\u3057\u3066\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u7d50\u8ad6\u304b\u3089\u8a00\u3048\u3070\u3001\u30bf\u30a4\u30c8\u30eb\u901a\u308aLinux Kernel\u306eversion\u306e\u9055\u3044\u304c\u539f\u56e0\u3067\u3057\u305f(\u958b\u767a\u6a5f\u3068\u5b9f\u6a5f\u3067version\u5408\u308f\u305b\u308b\u306e\u306f\u7121\u7406\u306a\u306e\u3067\u3059&#8230;)\u3002<\/p>\n<p>\u958b\u767a\u6a5f\u3001\u5b9f\u6a5f\u306f\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306eversion\u3001arch\u3067\u3057\u305f\u3002<br \/>\n<strong>\u30fb\u958b\u767a\u6a5f=2.6.32-34-generic(x86)<\/strong><br \/>\n<strong>\u30fb\u5b9f\u6a5f=2.6.37(arm)<\/strong><\/p>\n<p>\u958b\u767a\u6a5f\u3067\u958b\u767a\u3057\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u3044\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6982\u8981\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u8d77\u52d5\u6642\u306b\/sys\/devices\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306b\u3042\u308buevent\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001&#8217; &#8216;(\u30b9\u30da\u30fc\u30b9)\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u306b\u3088\u308a\u3001kernel\u304b\u3089\u901a\u77e5\u3055\u308c\u308b\u60c5\u5831\u3092\u30bd\u30b1\u30c3\u30c8\u3092\u901a\u3058\u3066\u53d6\u5f97\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u958b\u767a\u6a5f\u3067\u306f\u5168\u304f\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u307e\u3057\u305f\u304c\u3001\u5b9f\u969b\u306b\u5b9f\u6a5f\u3067\u5b9f\u884c\u3057\u3066\u307f\u308b\u3068kernel\u5074\u304b\u3089\u60c5\u5831\u304c\u5168\u304f\u901a\u77e5\u3055\u308c\u306a\u3044\u3068\u3044\u3046\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u5b9f\u6a5f\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u975e\u5e38\u306b\u591a\u304f\u51fa\u529b\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"c\" name=\"code\">\r\n(\u4e2d\u7565)\r\npci0000:00: uevent: unknown action-string\r\npci_bus 0000:00: uevent: unknown action-string\r\npci 0000:00:00.0: uevent: unknown action-string\r\npci 0000:01:00.0: uevent: unknown action-string\r\npci 0000:02:01.0: uevent: unknown action-string\r\nath9k 0000:03:00.0: uevent: unknown action-string\r\nieee80211 phy0: uevent: unknown action-string\r\n(\u4e2d\u7565)\r\n<\/pre>\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8abf\u3079\u3066\u3044\u304f\u3068\u3001drivers\/base\/core.c\u5185\u306estore_uevent\u95a2\u6570\u306e\u5b9f\u88c5\u304c2.6.32\u30682.6.37\u3067\u7570\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p><strong>2.6.32-drivers\/base\/core.c-store_uevent\u95a2\u6570<\/strong><\/p>\n<pre class=\"c\" name=\"code\">\r\nstatic ssize_t store_uevent(struct device *dev, struct device_attribute *attr,\r\n                            const char *buf, size_t count)\r\n{\r\n        enum kobject_action action;\r\n\r\n        if (kobject_action_type(buf, count, &action) == 0) {\r\n                kobject_uevent(&dev->kobj, action);\r\n                goto out;\r\n        }\r\n\r\n        dev_err(dev, \"uevent: unsupported action-string; this will \"\r\n                     \"be ignored in a future kernel version\\n\");\r\n        kobject_uevent(&dev->kobj, KOBJ_ADD);\r\nout:\r\n        return count;\r\n}\r\n<\/pre>\n<p><strong>2.6.37-drivers\/base\/core.c-store_uevent\u95a2\u6570<\/strong><\/p>\n<pre class=\"c\" name=\"code\">\r\nstatic ssize_t store_uevent(struct device *dev, struct device_attribute *attr,\r\n                            const char *buf, size_t count)\r\n{\r\n        enum kobject_action action;\r\n\r\n        if (kobject_action_type(buf, count, &action) == 0)\r\n                kobject_uevent(&dev->kobj, action);\r\n        else\r\n                dev_err(dev, \"uevent: unknown action-string\\n\");\r\n        return count;\r\n}\r\n<\/pre>\n<p>\u305d\u308c\u305e\u308c\u306e\u95a2\u6570\u5185\u3067\u547c\u3070\u308c\u3066\u3044\u308bkobject_action_type\u95a2\u6570\u306f\u3001\u4ee5\u4e0b\u306e\u914d\u5217\u306e\u4e2d\u304b\u3089buf\u306e\u5185\u5bb9\u3068\u4e00\u81f4\u3059\u308b\u3082\u306e\u3092\u63a2\u3057\u3001\u4e00\u81f4\u3059\u308b\u3082\u306e\u304c\u3042\u308c\u30700\u3092\u8fd4\u3059\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"c\" name=\"code\">\r\nstatic const char *kobject_actions[] = {\r\n        [KOBJ_ADD] =            \"add\",\r\n        [KOBJ_REMOVE] =         \"remove\",\r\n        [KOBJ_CHANGE] =         \"change\",\r\n        [KOBJ_MOVE] =           \"move\",\r\n        [KOBJ_ONLINE] =         \"online\",\r\n        [KOBJ_OFFLINE] =        \"offline\",\r\n};\r\n<\/pre>\n<p>\u5b9f\u88c5\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u524d\u8ff0\u3057\u305f\u3088\u3046\u306b\u3001uevent\u306b\u5bfe\u3057\u3066&#8217; &#8216;(\u30b9\u30da\u30fc\u30b9)\u3092\u66f8\u304d\u8fbc\u3080\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n2.6.32\u3067\u306f\u4e00\u81f4\u3059\u308b\u3082\u306e\u304c\u7121\u304b\u3063\u305f\u5834\u5408\u3001&#8217;add&#8217;\u304c\u66f8\u304d\u8fbc\u307e\u308c\u305f\u3082\u306e\u3068\u3057\u3066kobject_uevent\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u30012.6.37\u3067\u306f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u3066\u7d42\u4e86\u3059\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u305f\u3081\u3001\u958b\u767a\u6a5f\u3067\u306f\u60f3\u5b9a\u901a\u308a\u306b\u52d5\u4f5c\u3059\u308b\u304c\u3001\u5b9f\u6a5f\u3067\u306f\u52d5\u4f5c\u305b\u305a\u306b\u30a8\u30e9\u30fc\u30ed\u30b0\u304c\u51fa\u529b\u3055\u308c\u308b\u3068\u3044\u3046\u73fe\u8c61\u304c\u767a\u751f\u3057\u305f\u3088\u3046\u3067\u3059\u3002<br \/>\n\u5b9f\u6a5f\u306ekernel\u306b\u5408\u308f\u305b\u308b\u305f\u3081\u3001uevent\u306b\u5bfe\u3057\u3066&#8217;add&#8217;\u3092\u66f8\u304d\u8fbc\u3080\u3088\u3046\u306b\u5b9f\u88c5\u5909\u66f4\u3057\u305f\u3068\u3053\u308d\u3001\u958b\u767a\u6a5f\u3068\u5b9f\u6a5f\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>store_uevent\u95a2\u6570\u306f\u30012.6.33\u30682.6.34\u306e\u9593\u3067\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3001\u540c\u69d8\u306e\u73fe\u8c61\u306b\u60a9\u307e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux Kernel\u304b\u3089\u306e\u60c5\u5831\u3092PF_NETLINK\u3001NETLINK_KOBJECT_UEVENT\u306e\u30bd\u30b1\u30c3\u30c8\u3067\u5f85\u3061\u53d7\u3051\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u88c5\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u958b\u767a\u6a5f\u3068\u5b9f\u6a5f\u3067\u6319\u52d5\u304c\u9055\u3044\u3001\u8abf\u67fb\u3092\u884c\u3063\u305f\u306e\u3067\u5099\u5fd8\u9332\u3068\u3057\u3066\u307e\u3068\u3081\u3066\u304a\u304d [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-2466","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/2466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2466"}],"version-history":[{"count":15,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/2466\/revisions"}],"predecessor-version":[{"id":2477,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/2466\/revisions\/2477"}],"wp:attachment":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}