{"id":7155,"date":"2018-04-16T11:12:22","date_gmt":"2018-04-16T03:12:22","guid":{"rendered":"https:\/\/aqzt.com\/7155.html"},"modified":"2018-04-16T11:12:22","modified_gmt":"2018-04-16T03:12:22","slug":"dragonflybsd-5-2-%e4%b8%ba%e7%bc%93%e8%a7%a3-cpu-%e6%bc%8f%e6%b4%9e%e5%b8%a6%e6%9d%a5%e7%9a%84%e6%80%a7%e8%83%bd%e5%bd%b1%e5%93%8d","status":"publish","type":"post","link":"https:\/\/aqzt.com\/7155.html","title":{"rendered":"DragonFlyBSD 5.2 \u4e3a\u7f13\u89e3 CPU \u6f0f\u6d1e\u5e26\u6765\u7684\u6027\u80fd\u5f71\u54cd"},"content":{"rendered":"

\u6587\u7ae0\u8f6c\u8f7d\u5f00\u6e90\u4e2d\u56fd<\/a><\/p>\n

DragonFlyBSD \u5df2\u4e8e\u4e0a\u5468\u53d1\u5e03<\/a>\uff0cDragonFlyBSD 5.2 \u4e2d\uff0c\u9664\u4e86\u4f7f\u7528\u65b0\u7684\u6587\u4ef6\u7cfb\u7edf HAMMER2 \u4f1a\u5e26\u6765\u6027\u80fd\u65b9\u9762\u7684\u53d8\u5316\u5916\uff0c\u53e6\u4e00\u4e2a\u663e\u8457\u53d8\u5316\u662f\u5bf9 Spectre \u548c Meltdown \u6f0f\u6d1e\u7684\u7f13\u89e3\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4f1a\u63cf\u8ff0\u4e00\u4e9b\u9488\u5bf9 DragonFlyBSD 5.2 \u4e3a\u7f13\u89e3\u82f1\u7279\u5c14 CPU \u6f0f\u6d1e\u800c\u8017\u8d39\u7684\u6027\u80fd\u6210\u672c\u3002<\/p>\n

\u5728 DragonFlyBSD 5.2 \u4e2d\uff0c\u6709 machdep.meltdown_mitigation sysctl \u7528\u4e8e\u68c0\u67e5 Meltdown \u7f13\u89e3\u8865\u4e01\u662f\u5426\u5b58\u5728\u5e76\u5207\u6362\u5b83\u3002\u65e9\u5728\u4e00\u6708\u4efd\uff0c\u6d4b\u8bd5\u56e2\u961f\u5c31\u5df2\u4f7f\u7528\u9875\u8868\u9694\u79bb\u65b9\u6cd5\u5bf9 DragonFlyBSD \u7684 Meltdown \u7f13\u89e3\u8fdb\u884c\u4e86\u4e00\u4e9b\u6d4b\u8bd5\uff0c\u73b0\u5728\u5219\u662f\u6b63\u5f0f\u4f7f\u7528 DragonFlyBSD 5.2 \u7a33\u5b9a\u7248\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n

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\u8fd9\u8f6e\u57fa\u51c6\u6d4b\u8bd5\u4f7f\u7528\u82f1\u7279\u5c14\u81f3\u5f3a E3-1280 v5 Skylake \u5de5\u4f5c\u7ad9\uff0c\u7528\u4e8e\u67e5\u770b\u5206\u522b\u5904\u4e8e\u6709\/\u65e0 Meltdown \u6f0f\u6d1e\u7f13\u89e3\u60c5\u51b5\u4e0b\u7684\u5f71\u54cd\u3002<\/p>\n

\"\"<\/p>\n

\u4e00\u5982\u65e2\u5f80\u5730\uff0c\u57fa\u51c6\u6d4b\u8bd5\u7531 Phoronix \u6d4b\u8bd5\u5957\u4ef6\u5b8c\u6210\u3002\u6d4b\u8bd5\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n

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\u7531\u4e8e\u6d4b\u8bd5\u7ed3\u679c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u662f\u4f9d\u8d56\u4e8e\u7e41\u91cd\u7684 I\/O \u6216\u5185\u6838\u4ea4\u4e92\u6027\uff0c\u6211\u4eec\u5df2\u7ecf\u4ece Linux \u548c Windows \u4e0a\u7684\u5927\u91cf\u6d4b\u8bd5\u4e2d\u770b\u5230\u4e86\u8fd9\u79cd\u5f71\u54cd\u3002\u800c Linux vs. BSD vs. Windows \u7684\u8bc4\u6d4b\u4e5f\u5c06\u5f88\u5feb\u51fa\u73b0\uff0c\u6211\u4eec\u53ef\u4ece\u5176\u4e2d\u67e5\u770b\u6bcf\u4e2a\u5e73\u53f0\u4e0a\u7684\u76f8\u5bf9\u5dee\u5f02\u3002<\/p>\n

\u539f\u6587\uff1ahttps:\/\/www.phoronix.com\/<\/a> \u7f16\u8bd1\uff1a\u5f00\u6e90\u4e2d\u56fd<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u8f6c\u8f7d\u5f00\u6e90\u4e2d\u56fd DragonFlyBSD \u5df2\u4e8e\u4e0a\u5468\u53d1\u5e03\uff0cDragonFlyBSD 5.2 \u4e2d\uff0c\u9664\u4e86\u4f7f\u7528\u65b0\u7684\u6587\u4ef6\u7cfb\u7edf HAMMER2 \u4f1a\u5e26\u6765\u6027\u80fd\u65b9\u9762\u7684\u53d8\u5316\u5916\uff0c\u53e6\u4e00\u4e2a\u663e\u8457\u53d8\u5316\u662f\u5bf9 Spectre \u548c Meltdown \u6f0f\u6d1e\u7684\u7f13\u89e3\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4f1a\u63cf\u8ff0\u4e00\u4e9b\u9488\u5bf9 DragonFlyBSD 5.2 \u4e3a\u7f13\u89e3\u82f1\u7279\u5c14 CPU \u6f0f\u6d1e\u800c\u8017\u8d39\u7684\u6027\u80fd\u6210\u672c\u3002 \u5728 DragonFlyBSD 5.2 \u4e2d\uff0c\u6709 machdep.meltdown_mitigation sysctl \u7528\u4e8e\u68c0\u67e5 Meltdown \u7f13\u89e3\u8865\u4e01\u662f\u5426\u5b58\u5728\u5e76\u5207\u6362\u5b83\u3002\u65e9\u5728\u4e00<\/p>\n","protected":false},"author":1,"featured_media":6522,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[27],"tags":[292,11],"collection":[],"_links":{"self":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/posts\/7155"}],"collection":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/comments?post=7155"}],"version-history":[{"count":0,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/posts\/7155\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/media\/6522"}],"wp:attachment":[{"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/media?parent=7155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/categories?post=7155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/tags?post=7155"},{"taxonomy":"collection","embeddable":true,"href":"https:\/\/aqzt.com\/wp-json\/wp\/v2\/collection?post=7155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}