{"id":120265,"date":"2024-10-22T13:09:17","date_gmt":"2024-10-22T11:09:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlena-vetka-yadra-linus-next-dlya-testirovaniya-v-rezhime-nepreryvnoj-integraczii"},"modified":"2024-10-22T13:09:17","modified_gmt":"2024-10-22T11:09:17","slug":"predstavlena-vetka-yadra-linus-next-dlya-testirovaniya-v-rezhime-nepreryvnoj-integraczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/predstavlena-vetka-yadra-linus-next-dlya-testirovaniya-v-rezhime-nepreryvnoj-integraczii","title":{"rendered":"Predstaven\u00e1 vetva jadra linus-next na testovanie v re\u017eime nepretr\u017eitej integr\u00e1cie","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Sasha Levin z spolo\u010dnosti Google, ktor\u00fd sa venuje spr\u00e1ve LTS vetiev jadra Linux a je \u010dlenom poradn\u00e9ho v\u00fdboru organiz\u00e1cie Linux Foundation, ozn\u00e1mil vytvorenie novej vetvy jadra Linux \u2013 \u201elinus-next\u201c, ktor\u00e1 je podobne ako vetva \u201elinux-next\u201c ur\u010den\u00e1 na testovanie zmien navrhovan\u00fdch na zaradenie do hlavn\u00e9ho zlo\u017eenia bud\u00facej vetvy jadra Linux, ale l\u00ed\u0161i sa orient\u00e1ciou na zmeny, ktor\u00e9 s\u00fa pripraven\u00e9 na zahrnutie do hlavnej vetvy, a poskytovan\u00edm stabilnej\u0161ieho a vhodnej\u0161ieho prostredia na testovanie. <\/p>\n

Predt\u00fdm pou\u017e\u00edvan\u00e1 vetva \u201elinux-next\u201c je skvel\u00e1 na overovanie integr\u00e1cie zmien do jadra, hodnotenie konfliktov medzi podvetvami r\u00f4znych spr\u00e1vcov a identifik\u00e1ciu s\u00favisiacich ch\u00fdb a varovan\u00ed v zostave, ale je problematick\u00e9 ju pou\u017e\u00edva\u0165 na testovanie funk\u010dnosti vykonan\u00fdch zmien. Vetva \u201elinux-next\u201c obsahuje zmes zmien pripraven\u00fdch na prenos do hlavn\u00e9ho zlo\u017eenia jadra a experiment\u00e1lnych doplnkov, ktor\u00e9 m\u00f4\u017eu by\u0165 dlhodobo spracov\u00e1van\u00e9 a mo\u017eno nebud\u00fa nikdy prijat\u00e9 do hlavnej vetvy jadra. <\/p>\n

Pr\u00edtomnos\u0165 nestabiln\u00e9ho experiment\u00e1lneho k\u00f3du neumo\u017e\u0148uje pou\u017ei\u0165 jadro \u201elinux-next\u201c na plnohodnotn\u00e9 pracovn\u00e9 testovanie, preto\u017ee experiment\u00e1lny k\u00f3d m\u00f4\u017ee negat\u00edvne ovplyvni\u0165 ostatn\u00e9 subsyst\u00e9my jadra. V novej vetve \u201elinus-next\u201c bud\u00fa krit\u00e9ri\u00e1 na prij\u00edmanie zmien pr\u00edsnej\u0161ie \u2013 do zlo\u017eenia bud\u00fa zahrnut\u00e9 iba pull-requesty adresovan\u00e9 Linusovi Torvaldsovi, ktor\u00e9 sa predpokladaj\u00fa, \u017ee Linus prijme do hlavnej vetvy jadra. <\/p>\n

Vznik vetvy «linus-next» umo\u017en\u00ed nielen testova\u0165 kompatibilitu navrhovan\u00fdch zmien na \u00farovni zostavenia jadra, ale aj priamo pos\u00fadi\u0165 ich fungovanie, \u010do povedie k zv\u00fd\u0161eniu kvality testovania zmien v \u0161t\u00e1diu posudzovania u\u017e odoslan\u00e9ho, no e\u0161te neschv\u00e1len\u00e9ho pull-\u017eiadosti Linusom. Nov\u00e1 vetva tie\u017e bude stimulova\u0165 odosielanie pull-\u017eiadost\u00ed \u010do najsk\u00f4r, e\u0161te pred za\u010diatkom okna prij\u00edmania zmien, aby sa umo\u017enilo testovanie ich fungovania. Okrem toho sa vetva «linus-next» bude vyv\u00edja\u0165 v s\u00falade s modelom kontinu\u00e1lnej integr\u00e1cie a nie dennej aktualiz\u00e1cie s vytv\u00e1ran\u00edm nov\u00e9ho tagu, \u010do zjednodu\u0161\u00ed anal\u00fdzu vznikaj\u00facich probl\u00e9mov a identifik\u00e1ciu konkr\u00e9tnych zmien, ktor\u00e9 sp\u00f4sobili poruchu. <\/p>\n

Dodatkovo mo\u017eno spomen\u00fa\u0165 nespokojnos\u0165 Linusa Torvaldsa s procesom blokovania hardv\u00e9rov\u00fdch zranite\u013enost\u00ed na \u00farovni jadra, ktor\u00fa vyjadril po\u010das diskusie o probl\u00e9moch a regresi\u00e1ch v k\u00f3de na ochranu pred \u00fatokmi, vyu\u017e\u00edvaj\u00facimi zranite\u013enosti v mechanizme \u0161pekulat\u00edvneho vykon\u00e1vania in\u0161trukci\u00ed v CPU. Zmeny potrebn\u00e9 na blok\u00e1ciu hardv\u00e9rov\u00fdch zranite\u013enost\u00ed komplikuj\u00fa v\u00fdvoj, ved\u00fa k regresi\u00e1m a negativne ovplyv\u0148uj\u00fa v\u00fdkon, pri\u010dom \u00fatoky vyu\u017e\u00edvaj\u00face v\u00e4\u010d\u0161inu podobn\u00fdch zranite\u013enost\u00ed s\u00fa v\u00e4\u010d\u0161inou \u010disto teoretick\u00e9 a nikdy sa nepraktizuj\u00fa mimo laborat\u00f3rnych podmienok. <\/p>\n

Pri zva\u017eovan\u00ed n\u00e1vrhu na zmenu jadra na ob\u00eddenie potenci\u00e1lnych probl\u00e9mov pri ochrane proti hardv\u00e9rov\u00fdm zranite\u013enostiam, Linus navrhol prenies\u0165 zodpovednos\u0165 na v\u00fdrobcov hardv\u00e9ru, ktor\u00ed s\u00fa p\u00f4vodcami hardv\u00e9rov\u00fdch zranite\u013enost\u00ed, a da\u0165 najavo, \u017ee by si mali sami rie\u0161i\u0165 svoje probl\u00e9my. Navrhovan\u00e1 zmena mala by\u0165 pridan\u00e1 ako poistka, preto\u017ee kv\u00f4li nejasnostiam v spr\u00e1van\u00ed CPU by ochrana mohla potenci\u00e1lne prest\u00e1va\u0165 fungova\u0165 na niektor\u00fdch nov\u00fdch CPU Intel.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0421\u0430\u0448\u0430 \u041b\u0435\u0432\u0438\u043d (Sasha Levin) \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u0435\u043c LTS-\u0432\u0435\u0442\u043e\u043a \u044f\u0434\u0440\u0430 Linux \u0438 \u0432\u0445\u043e\u0434\u044f\u0449\u0438\u0439 \u0432 \u043a\u043e\u043d\u0441\u0443\u043b\u044c\u0442\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u0441\u043e\u0432\u0435\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 Linux Foundation, \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 Linux — «linus-next», \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0441 \u0432\u0435\u0442\u043a\u043e\u0439 «linux-next» \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0430 \u0434\u043b\u044f \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c\u044b\u0445 \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u0431\u0443\u0434\u0443\u0449\u0435\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 Linux, \u043d\u043e \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0440\u0438\u0435\u043d\u0442\u0430\u0446\u0438\u0435\u0439 \u043d\u0430 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u0433\u043e\u0442\u043e\u0432\u044b\u0435 […]<\/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-120265","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\udd47Predstaven\u00e1 vetva jadra linus-next na testovanie v re\u017eime nepretr\u017eitej integr\u00e1cie | ProHoster","description":"Sasha Levin zo spolo\u010dnosti Google, ktor\u00fd sa zaober\u00e1 \u00fadr\u017ebou LTS vetiev jadra Linux a patr\u00ed do poradn\u00e9ho v\u00fdboru organiz\u00e1cie Linux Foundation, ozn\u00e1mil vytvorenie novej vetvy jadra Linux - 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