Linux Kernel 4.20 inosvika sechipo cheKisimusi

Kwayedza Kernel

Nhasi Linus Torvalds mutungamiri uye mugadziri weLinux Kernel chirongwa chakaburitsa iyo nyowani vhezheni yeiyi, ichisvika Linux 4.20.

Nechibuditswa chitsva ichi iyo Linux kernel nyowani yakakura neanopfuura mamirioni mazana matatu mazana matatu, yakapararira pamusoro peanenge zviuru gumi nezvina shanduko.

Anopfuura mafaera zviuru gumi nemazana mana akashandurwa. Izvi zvinounza nyaya nyowani mukuenderana nezvazvino kuburitswa. Zvakare, kugoverwa kwezvimedu hazvishamise, zvikamu zviviri kubva muzvitatu zvinonzi zvinoitwa kune vatyairi, iyo yasara kunetiweki, mafaera masisitimu, uye maturusi.

Ichi hachisi chikuru kuburitswa nechero kutambanudza kwekufungidzira. Torvalds anoti: "mazhinji acho ndeaneti (vatongi, zvigadziriso zvemambure, bpf).

Kune mamwewo asiri e-network mutyairi anovandudza uye akateedzana akateedzana emamwe eiyo x86 online asm shanduko idzo dzakapfuura nouya anouya compiler rutsigiro.

Mukutumira kwake anotiwo:

Uye sechikamu chekuti 'munhu wese atotora zororo', ndinogona kutaura nemufaro kuti ini ndatova nezvikumbiro zvekutanga zvekudhonza mubhokisi rangu rekuyera.

Ini ndakakurudzira vanhu kuti vazviite imwezve nguva, kuitira kuti vanhu vagone kuzorora panguva yekupera kwegore zororo.

Muchokwadi, ini ndinogona kusatanga kushanda kwemazuva akati wandei, asi kana zvisiri, ngatiedzei kuchengeta zvakajairika maawa.

Chii Chitsva muLinux Kernel 4.20

Neiyi vhezheni itsva yeKernel, se ndawedzera shanduko nyowani uye sezvakataurwa, kwakawanda kutsigirwa kwawedzerwa kune zvishandiso uye kunyanya makadhi evhidhiyo.

Madhiraivha matsva emifananidzo

linux-tsanga

Chinhu chakakurumbira mune mutyairi shanduko yeLinux 4.20 i AMD.

Graphics kadhi inogadzira vagadziri vakawedzera imwe kodhi yeinotevera AMD Vega 20 GPU kuti iendeswe pamakadhi matsva, ayo anenge akatsigirwa zvizere.

Pamusoro pezvo, kodhi-yakanzi maGPU kubva kuRaven 2 nePicasso izvozvi zvinotsigirwa futi. Mutyairi wemahara waNvidia Nouveau akagamuchira rutsigiro rwekutanga rweHDMI 2.0.

File mafaera

Iyo faira masisitimu mune ino nyowani kernel inotarisana nekuvandudza mashandiro eBtrfs. Asi zvakare Ext4, XFS, F2FS, Chishandiso Mapper uye Ceph vakagamuchira zvigamba.

Munguva yekuvandudzwa kweLinux 4.20, vagadziri vakatarisanawo nebasa rekugadzirisa nyaya inogona kutungamira mukurasikirwa kwedata mune mamwe mamiriro kana uchishandisa Ext4.

Mukupedzisira, asi yakanga isiri iyo yakapararira faira system kutadza, bhagi rakateedzerwa mushure mekutsvaga kwenguva refu muBlk-MQ mizhinji-mutsara block block.

Zvinotonyanya kukosha kuti madhiraivho ekuvharira akagadzirira kuchinjira kuchikamu chitsva, sezvo vhezheni yekare ingangodaro yakabviswa muna 4.21. Sechikamu cheichi, vatungamiriri vazhinji vanovharira vakachinjirwa kuMultiqueue API.

Network subsystem

Iyo TCP stack inoshandurwa kuti ishandise iyo modhi inotara nguva yekutanga yekubuda kwepakeji rega rega mukugovera traffic inobuda.

Iyo yakaitwa modhi inoedza kugadzirisa kukwirisa matambudziko panzvimbo peanobuda mapakeji mitsetse, chiumbwa chekusunungura chakanangana nenguva iyo inosarudza nguva yekutanga pakiti imwe neimwe inogona kutumirwa.

Ichi chimiro chinokutendera iwe kuti uwedzere kugona kwekugovera kwemapaketi akatumirwa uye kuverenga yekugamuchira uye yekufambisa nguva zvakanyatsonaka (RTT, kutenderera rwendo nguva) panguva yekuyerera kwekuumbwa.

Kune rimwe divi, kugona kurodha, muchimiro cheBPF zvirongwa, vanobata vanoongorora mapaketi misoro mune network kuyerera (network flow disseector) yakawedzerwa, izvo zvinoita kuti zvikwanisike kuita kwakanyanya kuita uye chengetedzo zvichienzaniswa ne iko kwakambofungidzirwa kuitiswa muC.

Ungawana sei Kernel 4.20?

Iyi vhezheni itsva yave kuwanikwa kurodha pasi uye avo vane ruzivo vanoda kuisanganisa pane yavo system vanogona kuzviita nekukasira.

Kana vari avo vanosarudza kumirira mapakeji akaburitswa neyakagoverwa yavo, inyaya yemazuva mavanoburitswa kuti vawedzere kukurumidza.


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