V mailing liste jadra Linux bola predstaven\u00e1 \u0161iesta verzia patchov s implement\u00e1ciou mechanizmu Kexec HandOver (KHO), ktor\u00fd rozv\u00edjaj\u00fa in\u017einieri z spolo\u010dnost\u00ed Amazon, Microsoft a Google. Patchy u\u017e boli prijat\u00e9 do vetvy mm-everything, kde sa zhroma\u017e\u010fuj\u00fa zmeny pre bud\u00facu vetvu jadra 6.16, t\u00fdkaj\u00face sa spr\u00e1vy pam\u00e4te. Na z\u00e1klade Kexec HandOver spolo\u010dnos\u0165 Google vyv\u00edja subsyst\u00e9m Live Update Orchestrator (LUO), ktor\u00fd umo\u017e\u0148uje re\u0161tartova\u0165 jadro bez zastavenia \u010dinnosti zariaden\u00ed. <\/p>\n
Kexec HandOver poskytuje mo\u017enosti na spustenie nov\u00e9ho jadra zo star\u00e9ho bez straty stavu syst\u00e9mu. V s\u00fa\u010dasnosti sa volanie kexec() spr\u00e1va len ako bootloader, ktor\u00fd jednoducho spust\u00ed nov\u00e9 jadro, ktor\u00e9 po tom \u00faplne zreinitializuje syst\u00e9m, \u010do je ekvivalentn\u00e9 re\u0161tartovaniu, len bez \u00fa\u010dasti firmv\u00e9ru. Navrhovan\u00e1 s\u00e9ria patchov realizuje in\u00fd pr\u00edstup. Pred odovzdan\u00edm kontroly novej verzii jadra sa stav k\u013e\u00fa\u010dov\u00fdch subsyst\u00e9mov jadra serializuje do pam\u00e4\u0165ov\u00e9ho regi\u00f3nu, ktor\u00fd nebude ovplyvnen\u00fd \u010fal\u0161\u00edmi oper\u00e1ciami. Nov\u00e9 jadro, ktor\u00e9 z\u00edskava kontrolu, obnovuje serializovan\u00fd stav sp\u00e4\u0165. Z poh\u013eadu ostatn\u00fdch programov je oper\u00e1cia v\u00fdmeny jadra nepostrehnute\u013en\u00e1. <\/p>\n
Kexec HandOver m\u00f4\u017ee by\u0165 u\u017eito\u010dn\u00fd v situ\u00e1ci\u00e1ch, ke\u010f je zastavenie neprijate\u013en\u00e9 a je potrebn\u00e9 zabezpe\u010di\u0165 nepretr\u017eit\u00fd cyklus \u010dinnosti jednotliv\u00fdch zariaden\u00ed. Napr\u00edklad na serveroch virtualiz\u00e1cie sa Kexec HandOver m\u00f4\u017ee pou\u017e\u00edva\u0165 na aktualiz\u00e1ciu jadra (a hyperv\u00edzora), ani\u017e by sa zasahovalo do pam\u00e4te obsadenej virtu\u00e1lnymi strojmi a zachovalo sa ich vykon\u00e1vanie. KVM<\/a>), ani\u017e by sa zasahovalo do pam\u00e4te obsadenej virtu\u00e1lnymi strojmi, a zachovalo sa ich vykon\u00e1vanie. \u0412 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0438 \u044f\u0434\u0440\u0430 Linux \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0448\u0435\u0441\u0442\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 Kexec HandOver (KHO), \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 Amazon, Microsoft \u0438 Google. \u041f\u0430\u0442\u0447\u0438 \u0443\u0436\u0435 \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0432 \u0432\u0435\u0442\u043a\u0443 mm-everything, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u043a\u043e\u043f\u043b\u0435\u043d\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0431\u0443\u0434\u0443\u0449\u0435\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 6.16, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u044c\u044e. \u041d\u0430 \u0431\u0430\u0437\u0435 Kexec HandOver \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 Live Update Orchestrator (LUO), […]<\/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-123507","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\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\udd47Mechanizmus Kexec HandOver na re\u0161tartovanie jadra Linux bez straty stavu | ProHoster","description":"V mailing liste jadra Linux bola predstaven\u00e1 \u0161iesta verzia patchov s implement\u00e1ciou mechanizmu Kexec HandOver (KHO), ktor\u00fd rozv\u00edjaj\u00fa in\u017einieri z spolo\u010dnost\u00ed Amazon, Microsoft a 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"