{"id":105371,"date":"2022-10-24T15:37:02","date_gmt":"2022-10-24T13:37:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/linus-torvalds-predlozhil-prekratit-podderzhku-cpu-i486-v-yadre-linux"},"modified":"2022-10-24T15:37:02","modified_gmt":"2022-10-24T13:37:02","slug":"linus-torvalds-predlozhil-prekratit-podderzhku-cpu-i486-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/linus-torvalds-predlozhil-prekratit-podderzhku-cpu-i486-v-yadre-linux","title":{"rendered":"Linus Torvalds propuso dejar de dar soporte a la CPU i486 en el n\u00facleo de Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Durante la discusi\u00f3n sobre los m\u00e9todos alternativos de funcionamiento en procesadores x86 que no soportan la instrucci\u00f3n &#171;cmpxchg8b&#187;, Linus Torvalds afirm\u00f3 que quiz\u00e1s ha llegado el momento de declarar obligatoria la existencia de dicha instrucci\u00f3n para el funcionamiento del n\u00facleo y abandonar el soporte para procesadores i486 que no la soportan, en lugar de intentar emular la operaci\u00f3n de esta instrucci\u00f3n en procesadores que ya nadie utiliza. En la actualidad, casi todas las distribuciones de Linux que contin\u00faan soportando sistemas x86 de 32 bits han migrado a la construcci\u00f3n del n\u00facleo con la opci\u00f3n X86_PAE, que requiere el soporte de &#171;cmpxchg8b&#187;.      <\/p>\n<p>Seg\u00fan Linus, desde la perspectiva del soporte en el n\u00facleo, los procesadores i486 han perdido relevancia, a pesar de que a\u00fan se encuentran en uso. En alg\u00fan momento, los procesadores se convierten en piezas de museo y se puede recurrir a n\u00facleos 'museales' para ellos. Los usuarios que a\u00fan poseen sistemas con procesadores i486 podr\u00e1n utilizar versiones LTS del n\u00facleo, que estar\u00e1n soportadas durante muchos a\u00f1os m\u00e1s.      <\/p>\n<p>La finalizaci\u00f3n del soporte para los cl\u00e1sicos i486 no afectar\u00e1 a los procesadores integrados Quark de Intel, que aunque pertenecen a la clase i486, incluyen instrucciones adicionales propias de la generaci\u00f3n Pentium, como &#171;cmpxchg8b&#187;. Lo mismo se aplica a los procesadores Vortex86DX. El soporte para procesadores i386 fue interrumpido en el n\u00facleo hace 10 a\u00f1os.<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57964\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0445\u043e\u0434\u0435 \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044f \u043e\u0431\u0445\u043e\u0434\u043d\u044b\u0445 \u043f\u0443\u0442\u0435\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445 x86, \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044e &#171;cmpxchg8b&#187;, \u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u0437\u0430\u044f\u0432\u0438\u043b, \u0447\u0442\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0441\u0442\u0430\u043b\u043e \u0432\u0440\u0435\u043c\u044f \u043e\u0431\u044a\u044f\u0432\u0438\u0442\u044c \u043d\u0430\u043b\u0438\u0447\u0438\u0435 \u0434\u0430\u043d\u043d\u043e\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u044f\u0434\u0440\u0430 \u0438 \u043e\u0442\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 i486, \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 &#171;cmpxchg8b&#187;, \u0432\u043c\u0435\u0441\u0442\u043e \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u043f\u044b\u0442\u0430\u0442\u044c\u0441\u044f \u044d\u043c\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0434\u0430\u043d\u043d\u043e\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0443\u0436\u0435 \u043d\u0438\u043a\u0442\u043e \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105371","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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