{"id":74853,"date":"2020-03-21T08:42:40","date_gmt":"2020-03-21T05:42:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra"},"modified":"2020-03-21T08:42:40","modified_gmt":"2020-03-21T05:42:40","slug":"linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/administrirovanie\/linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra","title":{"rendered":"Linux kodols 5.6 \u2014 ko gaid\u012bt jaunaj\u0101 kodola versij\u0101","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Linux kodola 5.6 izlai paredz\u0113ts mart\u0101. \u0160odienas materi\u0101l\u0101 m\u0113s apsprie\u017eam gaid\u0101m\u0101s izmai\u0146as \u2014 jauno failu sist\u0113mu, WireGuard protokolu un draiveru atjaunin\u0101jumus.<\/p>\n

\"Linux<\/a><\/noindex><\/a><\/noindex>
\nFoto \u2014 lucas huffman<\/a><\/noindex> \u2014 Unsplash<\/i><\/p>\n

Ilgi gaid\u012btais VPN protokols<\/h2>\n

\nDeivids Millers (David Miller), kur\u0161 atbild par Linux t\u012bkla apak\u0161sist\u0113mu, ir nol\u0113mis iesl\u0113dz<\/a><\/noindex> iek\u013caut WireGuard kodol\u0101. T\u0101 ir VPN tunelis, ko izstr\u0101d\u0101jusi kiberdro\u0161\u012bbas uz\u0146\u0113mums Edge Security. Ideja rad\u0101s apsprieda<\/a><\/noindex> v\u0113l pirms diviem gadiem \u2014 tad to atbalst\u012bja<\/a><\/noindex> pats Linuss Torvalds \u2014 tom\u0113r realiz\u0101cija tika atlikta. Projekts bija cie\u0161i saist\u012bts ar Edge Security kriptogr\u0101fijas funkcij\u0101m. Bet pirms pusgada jaun\u0101 protokola autori pie\u0146\u0113ma kompromisu un p\u0101rg\u0101ja<\/a><\/noindex> uz kodolu atbalst\u012bt\u0101 Crypto API.<\/p>\n

Ir uzskats<\/a><\/noindex>, kas n\u0101kotn\u0113 \u013caus WireGuard aizst\u0101t OpenVPN. Saska\u0146\u0101 ar testiem<\/a><\/noindex>, jaun\u0101 protokola caurlaidsp\u0113ja ir \u010detras reizes liel\u0101ka nek\u0101 OpenVPN: 1011 Mbit\/s pret 258 Mbit\/s. Bet \u0161eit j\u0101atz\u012bm\u0113, ka p\u0101reja uz ofici\u0101lo Crypto API var pasliktin\u0101t r\u0101d\u012bt\u0101jus.<\/p><\/blockquote>\n

\nV\u0113l viena WireGuard iez\u012bme \u2014 t\u0101 nep\u0101rtrauc savienojumu<\/a><\/noindex>, pat ja lietot\u0101js sa\u0146em jaunu IP adresi, un pa\u0161am risina mar\u0161rut\u0113\u0161anas jaut\u0101jumus. \u0160iem m\u0113r\u0137iem katram t\u012bkla interfeisam pievieno slepeno atsl\u0113gu. T\u0101 tiek \u0123ener\u0113ta, izmantojot Diffie-Hellman protokolu<\/a><\/noindex>. \u0160ifr\u0113\u0161ana ir b\u016bv\u0113ta<\/a><\/noindex> pamat\u0101 ir ChaCha20 un algoritms Poly1305<\/a><\/noindex>. Tie tiek uzskat\u012bti par uzlabotiem AES-256-CTR analogiem un HMAC<\/a><\/noindex>.<\/p>\n

Jaun\u0101 failu sist\u0113ma<\/h2>\n

\n\u0160\u012b sist\u0113ma ir k\u013cuvis<\/a><\/noindex> Zonefs, ko izstr\u0101d\u0101ju\u0161i Western Digital in\u017eenieri. T\u0101 paredz\u0113ta darbam ar zon\u0113tu glab\u0101\u0161anas ier\u012bc\u0113m (zoned storage<\/a><\/noindex>). Tie ir blokveida kr\u0101tuves, kuru adreses telpa sadal\u012bta zon\u0101s (piem\u0113ram, NVMe SSD). Failu sist\u0113ma \u013cauj apstr\u0101d\u0101t katru zonu k\u0101 failu \u2014 tas ir, izmantot speci\u0101lus API viet\u0101 ioctl<\/a><\/noindex> sazi\u0146ai ar glab\u0101\u0161anas sist\u0113m\u0101m. L\u012bdz\u012bga pieeja tiek piem\u0113rota datu b\u0101z\u0113s RocksDB un LevelDB. T\u0101 \u013cauj samazin\u0101t izmaksas par koda p\u0101rcel\u0161anu, s\u0101kotn\u0113ji izstr\u0101d\u0101tu failu darb\u012bb\u0101m.<\/p>\n

Linux jau ir funkcija blokveida ier\u012b\u010du mijiedarb\u012bbai. Kodol\u0101 versij\u0101 4.13 par\u0101d\u012bj\u0101s<\/a><\/noindex> modulis dm-zoned. Tas att\u0113lo zon\u0113tu kr\u0101tuvi k\u0101 parastu blokveida ier\u012bci, bet Zonefs b\u016bs alternat\u012bva.<\/p>\n

\"Linux
\nFoto \u2014 Suzan Kir\u0161i\u0107<\/a><\/noindex> \u2014 Unsplash<\/i><\/p>\n

Papildus jaun\u0101s failu sist\u0113mas ievie\u0161anai Linux kodola izstr\u0101d\u0101t\u0101ji ir veiku\u0161i izmai\u0146as eso\u0161aj\u0101s. Tika ir pievienotas<\/a><\/noindex> saglab\u0101\u0161anas meh\u0101nismi LZO<\/a><\/noindex>\/LZ4<\/a><\/noindex> F2FS \u2014 atbalsts pagaid\u0101m paliks eksperiment\u0101ls. To vajadz\u0113s iesl\u0113gt manu\u0101li, mont\u0113jot part\u012bciju (opcijas compress_algorithm<\/i>). Ar\u012b atjaunin\u0101jums Cik tas maks\u0101<\/a><\/noindex> EXT4 \u2014 tas ir saist\u012bts ar tie\u0161o ievadi\/izvadi. Atjaunin\u0101jumu paketi iepaz\u012bstin\u0101ja IBM in\u017eenieris Ritesh Harjan. P\u0113c vi\u0146a v\u0101rdiem,<\/a><\/noindex>da\u017eos gad\u012bjumos \u0161is labojums var palielin\u0101t failu sist\u0113mas veiktsp\u0113ju par 140%.<\/p>\n

Draiveru atjaunin\u0101jumi<\/h2>\n

\nKod\u0101 tiks ieviests jauns draiveris cpuidle_cooling<\/i>. T\u0101s uzdevums<\/a><\/noindex> \u2014 kas atdzes\u0113 CPU\/SoC, iek\u013caujot bezdarba ciklus darba laik\u0101. Noteikt\u0101 noz\u012bm\u0113 tas ir l\u012bdz\u012bgs PowerClamp draiverim Intel procesoriem, ta\u010du nav saist\u012bts ar konkr\u0113tu arhitekt\u016bru. Sist\u0113mu izlaida<\/a><\/noindex> speci\u0101listi no Linaro, kuri str\u0101d\u0101 pie atv\u0113rt\u0101 koda programmat\u016bras optimiz\u0101cijas ARM platform\u0101m.<\/p>\n

T\u0101pat tiks pievienota<\/a><\/noindex> atbalsts GeForce 20 (TU10x) s\u0113rijas grafikas kart\u0113m. Attiec\u012bgo draiveri izstr\u0101d\u0101jis Ben Skeggs no Nouveau projekta. Diem\u017e\u0113l GeForce 16 (TU11x) pagaid\u0101m paliks \u201ebeig\u0101s\u201d. Nvidia nav nodro\u0161in\u0101jusi nepiecie\u0161am\u0101s mikroprogrammat\u016bras att\u0113lus, lai inicializ\u0113tu karti. T\u0101pat jaun\u0101m grafikas kart\u0113m zem Linux var rasties veiktsp\u0113jas probl\u0113mas bez autom\u0101tisk\u0101s frekvences regul\u0113\u0161anas. Agr\u0101k bija konstat\u0113ts, ka Nouveau draiveri var darboties<\/a><\/noindex> par 20\u201330% l\u0113n\u0101k nek\u0101 ori\u0123in\u0101lie.<\/p>\n

\"Linux
\nFoto \u2014 Andrew Abbate<\/a><\/noindex> \u2014 Unsplash<\/i><\/p>\n

V\u0113l viena jauna kodols atbalst\u012bs<\/a><\/noindex> USB4. Attiec\u012bg\u0101s izmai\u0146as ir ieteiku\u0161i<\/a><\/noindex> ieviesti Intel in\u017eenieri. Vi\u0146i ir modific\u0113ju\u0161i eso\u0161o kodu, kas saist\u012bts ar Thunderbolt \u2014 tas ir apm\u0113ram divas t\u016bksto\u0161 rindas.<\/p>\n

Protams, \u0161ie nav visi atjaunin\u0101jumi, kas tiks ieviesti kodol\u0101 \u2014 piem\u0113ram, var gaid\u012bt<\/a><\/noindex> papildu perif\u0113rijas un t\u012bkla ier\u012b\u010du atbalstu. T\u0101pat kodols 5.6 k\u013c\u016bs par pirmo 32 bitu kodolu, kur\u0101 tiks atrisin\u0101ta<\/a><\/noindex> 2038. gada probl\u0113ma.<\/a><\/noindex>Janv\u0101ra beig\u0101s in\u017eenieri veica<\/a><\/noindex> gal\u012bgos labojumus nfsd, xfs, alsa un v4l2. Vi\u0146i cer, ka asto\u0146padsmit gadu laik\u0101, kas atliku\u0161as, lietot\u0101ji un izstr\u0101d\u0101t\u0101ji sp\u0113s p\u0101riet uz kodolu 5.6 (vai t\u0101 n\u0101kamaj\u0101m versij\u0101m).<\/p>\n

Saist\u012btie materi\u0101li no korporat\u012bv\u0101 emu\u0101ra 1cloud.ru:<\/b><\/p>\n

\"Linux Liel\u0101k\u0101 da\u013ca superdatoru darbojas ar Linux \u2014 apsprie\u017eam situ\u0101ciju<\/a><\/noindex>
\n\"Linux K\u0101 nodro\u0161in\u0101t Linux sist\u0113mu: 10 padomi<\/a><\/noindex><\/p>\n

Par ko m\u0113s rakst\u0101m Habr\u0101:<\/b><\/p>\n

\"Linux Analiz\u0113jam ieteikumus par personas datu aizsardz\u012bbu un IB \u2014 uz ko j\u0101piev\u0113r\u0161 uzman\u012bba<\/a><\/noindex>
\n\"Linux Vispirms fotonu telepatic\u0113ja no viena \u010dipa uz otru<\/a><\/noindex>
\n\"Linux K\u0101 IT sektors pal\u012bdz pasaulei samazin\u0101t p\u0101rtikas izn\u012bcin\u0101\u0161anu<\/a><\/noindex><\/p><\/blockquote>\n

Avots: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412\u044b\u0445\u043e\u0434 Linux kernel 5.6 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u043c\u0430\u0440\u0442\u0430. \u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u0435\u0433\u043e\u0434\u043d\u044f\u0448\u043d\u0435\u043c \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0435 \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u0435\u043c \u0433\u0440\u044f\u0434\u0443\u0449\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u2014 \u043d\u043e\u0432\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443, \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b WireGuard \u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432. \u0424\u043e\u0442\u043e \u2014 lucas huffman \u2014 Unsplash \u0414\u043e\u043b\u0433\u043e\u0436\u0434\u0430\u043d\u043d\u044b\u0439 VPN-\u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0414\u044d\u0432\u0438\u0434 \u041c\u0438\u043b\u043b\u0435\u0440 (David Miller), \u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u0437\u0430 \u0441\u0435\u0442\u0435\u0432\u0443\u044e \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 Linux, \u0440\u0435\u0448\u0438\u043b \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 WireGuard. \u042d\u0442\u043e \u2014 VPN-\u0442\u0443\u043d\u043d\u0435\u043b\u044c, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0432 \u0418\u0411-\u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Edge Security. […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":74854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-74853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"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\udd47Linux kodols 5.6 \u2014 ko gaid\u012bt jaunaj\u0101 kodola versij\u0101 | ProHoster","description":"Linux kodola 5.6 izn\u0101kums gaid\u0101ms mart\u0101.","canonical_url":"https:\/\/prohoster.info\/lv\/blog\/administrirovanie\/linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"lv_LV","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Linux kernel 5.6 \u2014 \u0447\u0442\u043e \u0436\u0434\u0430\u0442\u044c \u0432 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u044f\u0434\u0440\u0430 | ProHoster","og:description":"\u0412\u044b\u0445\u043e\u0434 Linux kernel 5.6 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u043c\u0430\u0440\u0442\u0430.","og:url":"https:\/\/prohoster.info\/lv\/blog\/administrirovanie\/linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-03-21T05:42:40+00:00","article:modified_time":"2020-03-21T05:42:40+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"74853","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 18:06:24","updated":"2022-09-28 03:12:04","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts\/74853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/comments?post=74853"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts\/74853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/media\/74854"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/media?parent=74853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/categories?post=74853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/tags?post=74853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}