{"id":122821,"date":"2025-03-24T22:22:48","date_gmt":"2025-03-24T20:22:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-razvivaet-sistemu-perezagruzki-yadra-bez-ostanovki-raboty-ustrojstv"},"modified":"2025-03-24T22:22:48","modified_gmt":"2025-03-24T20:22:48","slug":"google-razvivaet-sistemu-perezagruzki-yadra-bez-ostanovki-raboty-ustrojstv","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/google-razvivaet-sistemu-perezagruzki-yadra-bez-ostanovki-raboty-ustrojstv","title":{"rendered":"Google est\u00e1 desarrollando un sistema para reiniciar el n\u00facleo sin detener el funcionamiento de los dispositivos","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Los ingenieros de Google han publicado para discusi\u00f3n de los desarrolladores del n\u00facleo Linux un conjunto de parches con la implementaci\u00f3n del subsistema Live Update Orchestrator (LUO), destinado a actualizar el n\u00facleo en modo Live. A diferencia de mecanismos como livepatch, Ksplice, kpatch y kGraft, el nuevo sistema no se limita a la aplicaci\u00f3n de correcciones individuales al n\u00facleo de Linux en funcionamiento, sino que permite reiniciar y actualizar completamente el n\u00facleo sin detener el funcionamiento de dispositivos individuales. El proyecto se basa en un conjunto de parches KHO (Kexec HandOver) para el mecanismo kexec, que se utiliza para cargar un nuevo n\u00facleo desde un n\u00facleo de Linux ya en funcionamiento sin reinicio f\u00edsico. <\/p>\n

La principal \u00e1rea de aplicaci\u00f3n de LUO son entornos en la nube, donde se habilitar\u00e1 la posibilidad de actualizar el hipervisor KVM sin interrumpir el funcionamiento de los procesos en ejecuci\u00f3n. m\u00e1quinas virtuales<\/a>En particular, se podr\u00e1 suspender m\u00e1quinas virtuales<\/a> temporalmente la reinicializaci\u00f3n del n\u00facleo con el hipervisor, manteniendo en funcionamiento todos los dispositivos conectados a las m\u00e1quinas virtuales. <\/p>\n

Para hacer posible esta capacidad, LUO ofrece opciones para guardar el estado de los dispositivos antes de cambiar al nuevo n\u00facleo y restaurar el estado inmediatamente despu\u00e9s de activar el nuevo n\u00facleo de manera que las operaciones continuas del sistema y las aplicaciones en el espacio del usuario con dispositivos no se vean interrumpidas. Durante el proceso de reinicializaci\u00f3n del n\u00facleo, tambi\u00e9n se garantiza la continuidad de las operaciones realizadas con DMA y la actividad relacionada con el manejo de interrupciones. <\/p>\n

Para coordinar la conservaci\u00f3n del estado y cambiar a un nuevo n\u00facleo, LUO proporciona una API que permite a otros subsistemas del n\u00facleo conectar controladores para rastrear y participar en el proceso de reinicio en vivo. Entre los subsistemas que pueden integrarse con LUO se encuentran el hipervisor KVM, iommu, el sistema de interrupciones y los controladores. Para transferir el estado de la memoria del n\u00facleo antiguo al nuevo se utiliza KHO (Kexec HandOver). La gesti\u00f3n se realiza a trav\u00e9s de los archivos sysfs \"\/sys\/kernel\/liveupdate\/{state, prepare, finish}\".
\n
Fuente: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0418\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0434\u043b\u044f \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u044f\u0434\u0440\u0430 Linux \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b Live Update Orchestrator (LUO), \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u044f\u0434\u0440\u0430 \u0432 Live-\u0440\u0435\u0436\u0438\u043c\u0435. \u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u0442\u0430\u043a\u0438\u0445 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u0432, \u043a\u0430\u043a livepatch, Ksplice, kpatch \u0438 kGraft, \u043d\u043e\u0432\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043d\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u043a \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u043c\u0443 \u044f\u0434\u0440\u0443 Linux, \u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0438 \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u044f\u0434\u0440\u043e […]<\/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-122821","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Google desarrolla un sistema de reinicio de n\u00facleo sin detener el funcionamiento de los dispositivos | ProHoster","description":"Los ingenieros de Google han publicado para discusi\u00f3n de los desarrolladores del n\u00facleo Linux un conjunto de parches con la implementaci\u00f3n del subsistema Live Update Orchestrator (LUO), destinado a actualizar el n\u00facleo en modo 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