{"title":"intel MPK\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u308bCPU\u3092\u8abf\u3079\u308b","height":"190","author_url":"https://blog.hatena.ne.jp/u-yammer/","url":"https://u-yammer.hatenablog.com/entry/2024/03/26/133646","published":"2024-03-26 13:36:46","description":"\u306f\u3058\u3081\u306b \u7814\u7a76\u3067intel MPK\u304c\u642d\u8f09\u3055\u308c\u305fCPU\u8cfc\u5165\u3059\u308b\u3046\u3048\u3067\u3001\u3069\u306eCPU\u306bMPK\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u5224\u5225\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u307e\u3057\u305f\u3002 \u73fe\u5728\u306e\u958b\u767a\u74b0\u5883\u306b\u542b\u307e\u308c\u308b\u304b\u8abf\u3079\u308b Linux\u74b0\u5883\u306e\u5834\u5408\u3001 lscpu | grep pku \u3082\u3057\u304f\u306f cat /proc/cpu | grep pku \u3067flag\u306bpku\u304c\u542b\u307e\u308c\u3070\u3001intel MPK\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304b\u3089\u8abf\u3079\u308b CPU\u3092\u8cfc\u5165\u3059\u308b\u969b\u306b\u3001\u672c\u5f53\u306bPKRU\u304c\u542b\u307e\u308c\u308b\u304b\uff1f\u3092\u8abf\u3079\u308b\u3068\u304d\u306f GCC\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306ex86\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u6700\u3082\u4fe1\u6191\u6027\u304c\u9ad8\u305d\u3046\u3067\u3059\u3002 \u5148\u8ff0\u9805\u76ee\u3068\u540c\u69d8\u306b\u3001\u8a72\u5f53\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b pku\u30d5\u30e9\u30b0\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308c\u3070\u3001i\u2026","provider_name":"Hatena Blog","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fu-yammer.hatenablog.com%2Fentry%2F2024%2F03%2F26%2F133646\" title=\"intel MPK\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u308bCPU\u3092\u8abf\u3079\u308b - Think Essentially\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","image_url":null,"categories":[],"type":"rich","blog_title":"Think Essentially","author_name":"u-yammer","blog_url":"https://u-yammer.hatenablog.com/","provider_url":"https://hatena.blog"}