{"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\/cs\/blog\/news\/predstavlena-vetka-yadra-linus-next-dlya-testirovaniya-v-rezhime-nepreryvnoj-integraczii","title":{"rendered":"Byla p\u0159edstavena v\u011btev j\u00e1dra linus-next pro testov\u00e1n\u00ed v re\u017eimu kontinu\u00e1ln\u00ed integrace.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Sasha Levin z spole\u010dnosti Google, kter\u00fd se specializuje na tok LTS j\u00e1dra Linux a je \u010dlenem poradn\u00edho v\u00fdboru organizace Linux Foundation, ozn\u00e1mil vytvo\u0159en\u00ed nov\u00e9 v\u011btve j\u00e1dra Linux \u2013 \u201elinus-next\u201c, kter\u00e1 je obdobou v\u011btve \u201elinux-next\u201c ur\u010denou pro testov\u00e1n\u00ed zm\u011bn navrhovan\u00fdch k zahrnut\u00ed do hlavn\u00edho obsahu budouc\u00ed v\u011btve j\u00e1dra Linux. Tato nov\u00e1 v\u011btev se v\u0161ak zam\u011b\u0159uje na zm\u011bny, kter\u00e9 jsou p\u0159ipraveny k p\u0159ijet\u00ed do hlavn\u00ed v\u011btve, a poskytuje stabiln\u011bj\u0161\u00ed a l\u00e9pe testovatelnou z\u00e1kladnu. <\/p>\n

D\u0159\u00edve pou\u017e\u00edvan\u00e1 v\u011btev \u201elinux-next\u201c byla skv\u011bl\u00e1 pro ov\u011b\u0159ov\u00e1n\u00ed integrace zm\u011bn do j\u00e1dra, hodnocen\u00ed v\u00fdskytu konflikt\u016f mezi podv\u011btvemi r\u016fzn\u00fdch spr\u00e1vc\u016f a odhalov\u00e1n\u00ed souvisej\u00edc\u00edch chyb a varov\u00e1n\u00ed. Bylo v\u0161ak problematick\u00e9 ji pou\u017e\u00edvat pro testov\u00e1n\u00ed funk\u010dnosti zav\u00e1d\u011bn\u00fdch zm\u011bn. V\u011btev \u201elinux-next\u201c obsahovala kombinaci p\u0159ipraven\u00fdch zm\u011bn pro p\u0159enesen\u00ed do hlavn\u00edho obsahu j\u00e1dra a experiment\u00e1ln\u00edch roz\u0161\u00ed\u0159en\u00ed, kter\u00e1 by mohla b\u00fdt dlouho upravov\u00e1na a mo\u017en\u00e1 ani nikdy nebudou p\u0159ijata do hlavn\u00ed v\u011btve j\u00e1dra. <\/p>\n

P\u0159\u00edtomnost nestabiln\u00edho experiment\u00e1ln\u00edho k\u00f3du neumo\u017e\u0148uje pou\u017e\u00edt j\u00e1dro \u201elinux-next\u201c pro plnohodnotn\u00e9 pracovn\u00ed testov\u00e1n\u00ed, proto\u017ee experiment\u00e1ln\u00ed k\u00f3d m\u016f\u017ee negativn\u011b ovlivnit ostatn\u00ed subsyst\u00e9my j\u00e1dra. V nov\u00e9 v\u011btvi \u201elinus-next\u201c budou krit\u00e9ria pro p\u0159ijet\u00ed zm\u011bn p\u0159\u00edsn\u011bj\u0161\u00ed \u2013 do obsahu budou zahrnuty pouze pull-requesty adresovan\u00e9 Linusu Torvaldovi, kter\u00e9 si auto\u0159i mysl\u00ed, \u017ee Linus p\u0159ijme do hlavn\u00ed v\u011btve j\u00e1dra. <\/p>\n

Vznik v\u011btve «linus-next» umo\u017en\u00ed nejen testovat kompatibilitu navrhovan\u00fdch zm\u011bn na \u00farovni j\u00e1dra, ale tak\u00e9 p\u0159\u00edmo posoudit jejich funk\u010dnost, co\u017e povede k vy\u0161\u0161\u00ed kvalit\u011b testov\u00e1n\u00ed zm\u011bn p\u0159i projedn\u00e1v\u00e1n\u00ed ji\u017e odeslan\u00e9ho, av\u0161ak dosud neprojednan\u00e9ho pull-requestu Linuse. Nov\u00e1 v\u011btev tak\u00e9 podn\u00edt\u00ed odes\u00edl\u00e1n\u00ed pull-request\u016f co nejd\u0159\u00edve, je\u0161t\u011b p\u0159ed zah\u00e1jen\u00edm obdob\u00ed p\u0159\u00edjmu zm\u011bn, aby bylo mo\u017en\u00e9 je otestovat v praxi. Krom\u011b toho se v\u011btev «linus-next» bude vyv\u00edjet podle modelu kontinu\u00e1ln\u00ed integrace nam\u00edsto ka\u017edodenn\u00ed aktualizace s vytvo\u0159en\u00edm nov\u00e9ho tagu, co\u017e zjednodu\u0161\u00ed anal\u00fdzu vznikl\u00fdch probl\u00e9m\u016f a identifikaci konkr\u00e9tn\u00edch zm\u011bn, kter\u00e9 zp\u016fsobily selh\u00e1n\u00ed. <\/p>\n

D\u00e1le lze poznamenat nespokojenost Linuse Torvaldse s procesem blokov\u00e1n\u00ed hardwarov\u00fdch zranitelnost\u00ed na \u00farovni j\u00e1dra, kterou vyj\u00e1d\u0159il b\u011bhem diskuse o probl\u00e9mech a regres\u00edch v k\u00f3du zam\u011b\u0159en\u00e9m na vy\u0159e\u0161en\u00ed \u00fatok\u016f vyu\u017e\u00edvaj\u00edc\u00edch zranitelnosti v mechanismu spekulativn\u00edho vykon\u00e1v\u00e1n\u00ed instrukc\u00ed v CPU. Zm\u011bny pot\u0159ebn\u00e9 k blokov\u00e1n\u00ed hardwarov\u00fdch zranitelnost\u00ed komplikuj\u00ed v\u00fdvoj, vedou k regres\u00edm a negativn\u011b ovliv\u0148uj\u00ed v\u00fdkon, zat\u00edmco \u00fatoky vyu\u017e\u00edvaj\u00edc\u00ed v\u011bt\u0161inu podobn\u00fdch zranitelnost\u00ed jsou \u010dist\u011b teoretick\u00e9 a nikdy se v praxi neprov\u00e1d\u011bj\u00ed, mimo laboratorn\u00ed podm\u00ednky. <\/p>\n

P\u0159i zva\u017eov\u00e1n\u00ed n\u00e1vrhu na zm\u011bnu j\u00e1dra s c\u00edlem obej\u00edt potenci\u00e1ln\u00ed probl\u00e9my p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed ochrany proti hardwarov\u00fdm zranitelnostem navrhl Linus p\u0159en\u00e9st odpov\u011bdnost na v\u00fdrobce za\u0159\u00edzen\u00ed, jako na p\u016fvodce hardwarov\u00fdch zranitelnost\u00ed, a d\u00e1t najevo, \u017ee by si m\u011bli sami vy\u0159e\u0161it sv\u00e9 probl\u00e9my. Navrhovan\u00e1 zm\u011bna m\u011bla b\u00fdt p\u0159id\u00e1na jako forma pojistky, proto\u017ee kv\u016fli nejistot\u011b chov\u00e1n\u00ed CPU by ochrana mohla na n\u011bkter\u00fdch nov\u00fdch CPU Intel potenci\u00e1ln\u011b p\u0159estat fungovat.
\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\udd47Byla p\u0159edstavena v\u011btev j\u00e1dra linus-next pro testov\u00e1n\u00ed v re\u017eimu neust\u00e1l\u00e9 integrace | ProHoster","description":"Sasha Levin ze spole\u010dnosti Google, kter\u00fd se zab\u00fdv\u00e1 \u00fadr\u017ebou LTS v\u011btv\u00ed j\u00e1dra Linux a je \u010dlenem poradn\u00edho v\u00fdboru organizace Linux Foundation, ozn\u00e1mil vytvo\u0159en\u00ed nov\u00e9 v\u011btve j\u00e1dra Linux - 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