Iyo nyowani Linux kernel 4.19 inosvika nerutsigiro rweWi-Fi 6 uye nezvimwe

Iyo Linux kernel ndiyo moyo wekusiyana kwakasiyana kweLinux. Iyo Linux mhuri yemashandisirwo masisitimu akavakirwa pane ino kernel uye inoitwa zvese mumasisitimu echinyakare emakomputa uye mumakomputa ega uye maseva.

Kunyangwe kazhinji iri muchimiro chemarongedzo, uye mune akasiyana akadzika midziyo senge ma routers, isina waya yekuwana mapoinzi, PBXs, set-top mabhokisi, FTA vanogamuchira, smart TV, PVRs, uye NAS zvishandiso.

Ipo kugamuchirwa mumakomputa emakomputa kwakaderera, Linux-yakavakirwa mashandiro masisitimu anotonga angangoita ese mamwe zvikamu zvecomputer, kubva kune nhare mbozha kusvika mainframes

Linux yakakurumidza kukwezva vagadziri nevashandisi vakaigamuchira seinokosha kune mamwe emahara software mapurojekiti., kunyanya iyo GNU inoshanda sisitimu.

Iyo Linux kernel yakagamuchira mipiro kubva kune vangangoita 12,000 mapurogiramu kubva kumakambani anodarika chiuru nemazana maviri, kusanganisira mamwe eakakura zvigadzirwa uye vatengesi ve software.

Nezve iyo nyowani vhezheni yeLinux kernel 4.19

Waive Mwedzi wapfuura Linus Torvalds paakatora zororo kubva mukusimudzira kernel. Panguva yekuzorora kwako, anga agadza Greg Kroah-Hartman semutungamiriri wenguva pfupi weLinux, akaenderera mberi ndokuburitsa Linux 4.19 mushure mevasere vasunungurwa.

Kuziviswa kweshanduro 4.19 kwakareba kwenguva yakareba kupfuura zvatajaira isu.

Pamusoro petsananguro yakajairika yeshanduko huru, Greg akanyora zvakare nezvekuzvipira kwekugamuchira vanhu vatsva nekuvabatsira kudzidza zvinhu.

Iyo itsva vhezheni inosanganisira maficha senge nyowani yeAIO-based polling interface, L1TF kushomeka kwekukanganisa, block I / O latency handler, nguva-based packet kufambisa, uye CAKE mutsara, pakati peimwe shanduko diki.

Nguva-yakavakirwa pakiti kufambisa

Nguva-yakavakirwa pakiti kufambisa inouya nesarudzo nyowani socket uye nyowani qdisc, Iyo yakagadzirirwa kuitira kuti iwe ugone kubhegi mapaketi kusvika panguva inogadzirika isati yasvika nguva yavo yekupedzisira (tx nguva).

Mapaketi akagadzirirwa kutapurirana kwenguva yakatarwa inofanirwa kutumirwa ne sendmsg (), iine wekutonga mameseji musoro (werudzi SCM_TXTIME) inoratidza nguva yekufambiswa senge 64-bit nanosecond kukosha.

L1 Terminal Kukundikana Kunetseka Kuderedzwa

Iyo Meltdown CPU kudzvinyirira yakatanga kuburitswa kutanga kwegore rino uye ichibvumira vasina kurwisa varwisi kuti vaverenge zvirinyore ndangariro pane masystem.

Ipapo iyo "L1 Terminal Kukundikana" (L1TF) kushaya njodzi (inonziwo Foreshadow) yakaziviswa iyo yakaunza kutyisidzira kwese, ndiko kuti, kurwisa kuri nyore pamusoro peyekuyeuka memory kubva kune inomiririra.

Mitigations inowanikwa muLinux kernel 4.19 uye yakabatanidzwa mune mainline kernel. Zvisinei, zvinogona kudhura kune vamwe vashandisi.

Wi-fi 6 rutsigiro

Iyo nyowani vhezheni yeLinux Kernel inova vhezheni 4.19 yasvika ine nyowani uye yakawanda yekuvandudza. Imwe yemabhuku makuru akajekeswa neiyi nyowani yeKernel kuburitswa ndeyekuti yekutanga rutsigiro rweWi-Fi 6 (802.11ax) yakawedzerwa.

Wi-Fi 6 inopa hwaro hwehuwandu hwekushandisa kuripo uye kuri kubuda, kubva pakushambadzira Ultra-yakakwira-tsananguro mafirimu kumba kana pakuenda.

Wi-Fi 6 uyeIyo yakavakirwa pane iyo IEEE 802.11ax standard, iyo inogonesa rinotevera-chizvarwa Wi-Fi kubatana.

Iyi nyowani yeWi-Fi 6 modhi ichapa kugona, kufukidza uye kuita kunodiwa nevashandisi, kunyangwe munzvimbo dzakakora senge nhandare nedzimwe nzvimbo dzeveruzhinji.

Wi-Fi 6 inoshanda zvakanyanya mu 2,4 GHz uye 5 GHz frequency mabhendi atove kushandiswa neWi-Fi 5, kare 802.11ac, achivimbisa kusvika kumhanya kunosvika gumi nerimwe Gbps. Muchokwadi, iro basa hombe re11ax ichave yekukwirisa mhando yekubatana munzvimbo dzakaomesesa.

Pamusoro peizvi, yekuyedza EROFS faira sisitimu, Intel Cache Pseudo-Lock uye kumwe kuwedzerwa kunatsiridzwa kwakawedzerwa. pamwe neyakagadziridzwa kumafaira masystem, Hardware, chengetedzo, uye madhiraivha.