{"id":143009,"date":"2019-05-13T12:48:45","date_gmt":"2019-05-13T04:48:45","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=143009"},"modified":"2019-04-17T12:50:01","modified_gmt":"2019-04-17T04:50:01","slug":"opensuse-spectre","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/opensuse-spectre.html","title":{"rendered":"openSUSE\u7684Spectre\u7f13\u89e3\u65b9\u6cd5\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>openSUSE\u9ed8\u8ba4\u4f7f\u7528IBRS\u4f5c\u4e3a\u5176Spectre Variant 2\u7f13\u89e3\u65b9\u6cd5\u800c\u4e0d\u662fRetpolines\uff0c\u8fd9\u662f\u8be5\u53d1\u884c\u7248\u4e0e\u5176\u4ed6Linux\u53d1\u884c\u7248\u76f8\u6bd4\u5f00\u7bb1\u5373\u7528\u6027\u80fd\u8f83\u6162\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/lists.opensuse.org\/opensuse-factory\/2019-04\/msg00126.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u8fd9\u4e2aopensuse-factory\u90ae\u4ef6\u5217\u8868<\/a>\u5f15\u7528\u4e86\u8054\u60f3\u7b14\u8bb0\u672c\u7535\u8111\u5728\u4f7f\u7528openSUSE\u65f6\u201c\u5de8\u5927\u7684\u5355\u6838\u6027\u80fd\u635f\u5931\u201d\u3002\u56f4\u7ed5Spectre Variant 2 \u7f13\u89e3\u63aa\u65bd\u7684\u5355\u7ebf\u7a0b\u6027\u80fd\u635f\u5931\u7ea621\uff05\uff0c\u8fd9\u672c\u8eab\u5e76\u4e0d\u4ee4\u4eba\u60ca\u8bb6\uff0c\u56e0\u4e3a\u6211\u4eec\u5df2\u7ecf\u591a\u6b21\u8bf4\u660e\u4e86Spectre\/Meltdown\u7f13\u89e3\u7684\u6027\u80fd\u6210\u672c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-143010\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/04\/20190416019.png\" alt=\"\" width=\"728\" height=\"400\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/04\/20190416019.png 728w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/04\/20190416019-300x165.png 300w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><\/p>\n<p>openSUSE\u7684\u5185\u6838\u6b63\u5728\u4f7f\u7528IBRS\uff08\u95f4\u63a5\u5206\u652f\u9650\u5236\u6295\u673a\uff09\u548c\u6700\u65b0\u7684\u82f1\u7279\u5c14CPU\u5fae\u4ee3\u7801\u6620\u50cf\uff0c\u800c\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u4f9d\u8d56\u4e8eRetpolines\u4f5c\u4e3a\u8fd4\u56detrampolines\u3002\u4e0eRetpolines\u76f8\u6bd4\uff0cIBRS\u7f13\u89e3\u6280\u672f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u591a\u7684\u6027\u80fd\u635f\u5931\uff0c\u636e\u62a5\u9053\uff0c\u4e0e\u66f4\u65b0\u7684Intel 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noreferrer\">\u53ef\u4ee5\u6062\u590d\u6027\u80fd<\/a>\u3002<\/p>\n<p>\u5e0c\u671b\u4f7f\u7528\u975e\u9ed8\u8ba4\u65b9\u6cd5\u7684openSUSE\u7528\u6237\u53ef\u4ee5\u4f7f\u7528<em>spectre_v2=retpoline<\/em>\u6765\u9009\u62e9\u5b83\uff0c\u8fd9\u662f\u4e00\u4e2a\u901a\u7528\u5185\u6838\u547d\u4ee4\u884c\u53c2\u6570\uff0c\u4e0e\u5927\u591a\u6570\u5176\u4ed6Linux\u53d1\u884c\u7248\u5185\u6838\u7684\u884c\u4e3a\u76f8\u5339\u914d\u3002<\/p>\n<p>\u81f3\u4e8eopenSUSE\u66f4\u6539\u4ed6\u4eec\u7684\u9ed8\u8ba4\u503c\uff0c\u81f3\u5c11\u4ece\u4e4b\u524d\u7684\u90ae\u4ef6\u5217\u8868\u8ba8\u8bba\u6765\u770b\uff0c\u4ed6\u4eec\u7684\u5185\u6838\u5de5\u7a0b\u5e08\u4f3c\u4e4e\u6ca1\u6709\u5174\u8da3\u66f4\u6539Spectre\u7684\u7f13\u89e3\u9ed8\u8ba4\u503c\uff0c\u4f46\u53ea\u662f\u5c06\u82f1\u7279\u5c14\u7684\u7cdf\u7cd5\u8868\u73b0\u5f52\u548e\u4e8e\u4ed6\u4eec\u7684\u95ee\u9898\u3002<\/p>\n<p>\u6709\u4e9b\u4eba\u8fd8\u5efa\u8baeopenSUSE\u5b89\u88c5\u7a0b\u5e8f\u5728\u5176\u5b89\u88c5\u7a0b\u5e8f\u4e2d\u9009\u62e9\u4e00\u4e2a\u5207\u6362\uff0c\u4ee5\u4fbf\u901a\u77e5\u7528\u6237\u5b89\u5168\u6027\u4e0e\u6027\u80fd\u504f\u597d\uff0c\u4ece\u800c\u66f4\u597d\u5730\u63d0\u4f9b\u5408\u7406\/\u660e\u667a\u7684\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u4f46\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u8fd8\u6ca1\u6709\u770b\u5230\u91c7\u53d6\u4efb\u4f55\u63aa\u65bd\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u867d\u7136\u8003\u8651\u5230\u4e00\u4e9bopenSUSE\u7684\u4fdd\u5b88\u9ed8\u8ba4\u503c\u4e0e\u5927\u591a\u6570\u5176\u4ed6Linux\u53d1\u884c\u7248\u76f8\u6bd4\u786e\u5b9e\u5b58\u5728\u6027\u80fd\u5f71\u54cd\u3002<\/p>\n<p>\u4ee5\u524dRetpolines\u4f7f\u7528\u7684\u969c\u788d\u9700\u8981Retpolines\u7f16\u8bd1\u5668\u652f\u6301\uff0c\u4f46\u8fd9\u79cd\u652f\u6301\u73b0\u5728\u5df2\u7ecf\u6709\u4e00\u6bb5\u65f6\u95f4\u4e86\u3002\u636e\u62a5\u9053\uff0cSkylake\u8fc7\u53bb\u66fe\u62a5\u9053\u8fc7Retpolines\u95ee\u9898\uff0c\u4f46\u8fd9\u4e9b\u95ee\u9898\u4f3c\u4e4e\u4e5f\u5f97\u5230\u4e86\u89e3\u51b3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e2aopensuse-factory\u90ae\u4ef6\u5217\u8868\u5f15\u7528\u4e86\u8054\u60f3\u7b14\u8bb0\u672c\u7535\u8111\u5728\u4f7f\u7528openSUSE\u65f6\u201c\u5de8\u5927\u7684\u5355\u6838\u6027\u80fd\u635f\u5931\u201d [&hellip;]<\/p>\n","protected":false},"author":63,"featured_media":143012,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-143009","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/143009","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=143009"}],"version-history":[{"count":2,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/143009\/revisions"}],"predecessor-version":[{"id":143211,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/143009\/revisions\/143211"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/143012"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=143009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=143009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=143009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}