ILinus Torvalds ikhishwe ngeSonto, inguqulo 5.2 yeLinux Kernel, ngemuva kwama-RC ayisikhombisa (okhululelwa ukhetho) Uhlobo olusha lweKernel akulona igatsha le-LTS (Long Time Support), okusho ukuthi abasebenzisi abaningana bangakhetha ukugcina inguqulo yabo ye-LTS.
Linux 5.2 iza ne-Sound Open Firmware, i-firmware yomthombo ovulekile esekela amadivayisi womsindo we-DSP, i-API yokuhlela entsha yokufaka amasistimu wefayela, imishayeli emisha evulekile ye-GPU yamadivayisi we-ARM Mali kanye nezinye izithuthukisi eziningi.
Ekuqaleni, UTorvalds uthe ukulungele ukuqhubeka nelinye isonto lika-RC, kodwa uchungechunge lwemicimbi lwamphoqa.
Ekugcineni uthathe isinqumo sokushicilela i-kernel njengoba injalo, ngemuva kwama-RC ayisikhombisa.
“Bengithambekele ku-rc8, ngenxa yohambo lwami nokungabikho kwami kwi-inthanethi ngesonto eledlule. Ngakho-ke noma ngabe i-kernel ibuye sekwephuzile impela, angisiboni isizathu esizwakalayo selinye isonto le-rc, ngakho-ke sinenguqulo 5.2 enesikhathi esivamile sokukhishwa, 'esisele njengomyalezo kuhlu lweKernel Broadcast. I-Linux 5.2 isiyatholakala futhi inikezela ngezici nezithuthukisi zokuthakazelisa kakhulu.
Izindaba eziyinhloko zeKernel 5.2
Uhlobo 5.2 lweLinux Kernel luvelele ngokunikela ukusebenza okwenzayo yenza icala lefayela lefayela le-EXT4 lingazweli, the ukusekelwa kwe-Intel Open Firmware, Abashayeli behluzo be-ARM Mali abaneLima nePanfrost, isilawuli esisha se-Realtek WiFi ukufaka esikhundleni sesilawuli se-RTLWIFI esikhona, ama-subsystems amasha we-fieldbus kanye nezinto zokubala ezijwayelekile, njll.
Le nguqulo futhi ithuthukisa ukuqashwa kwemithombo yolwazi yamaphoyinti okucindezela ukuthi isetshenziswe yi-Android. Kukhona nokusekelwa kwemikhiqizo eminingi ye-Intel, futhi i-API yokuhlela ihlelwe kabusha ngamakholi wesistimu amasha.
Vula Umsindo
Ngesikhathi amadivayisi amaningi womsindo we-DSP anezishayeli zemithombo evulekile, i-firmware yakho ihlale ivaliwe futhi ilethwe njengamafayela kanambambili.
Ngenxa yalokhu, izinkinga ze-firmware bekulokhu kunzima ukuzixazulula. Le phrojekthi I-Firmware evulekile yomsindo (SOF), ixhaswe yi-Intel neGoogle, yadalelwa ukuthuthukisa lesi simo ngokunikeza ipulatifomu yomthombo ovulekile yokwakha i-firmware yomthombo ovulekile yomsindo we-DSP.
Amafayela we-SOF ngeke avumele kuphela abasebenzisi ukuthi babe ne-firmware yomthombo ovulekile, kodwa futhi abavumele ukuthi benze ngokwezifiso i-firmware yabo. I-Linux kernel version 5.2 ifaka i-SOF kernel ne-Intel Open Source firmware kwemikhiqizo yayo eminingi eyinhloko: iBaytrail, iCherryTrail, iBroadwell, i-ApolloLake, iGeminiLake, iCannonLake, ne-IceLake.
Ukuthuthuka kwe-EXT4
Kusukela ekudalweni kwayo, I-Linux ibizwela kakhulu. Kodwa-ke, cKwinguqulo 5.2, uhlelo lwefayela le-EXT4 luzovumela ukwesekwa kwefayela nefolda lokho akuzweli icala.
Lokhu kulungiswa sekukade kuthuthukiswa isikhathi eside, kepha ekugcineni kulungele ukwesekwa okujwayelekile. Ukuqala ngenguqulo 5.2, i-kernel ye-Linux manje ingeza isici esisha ohlelweni lwefayela le-ETX4 olungazweli ecaleni.
Ukuvikelwa okwengeziwe kumaphutha we-CPU nokukhethwa kokunciphisa i-boot
Lokhu kukhishwa kunezela uhlaka lwesiphazamisi ukuphatha ubucayi behadiwe le-microarchitecture data sampling (MDS) evumela ukufinyelela okungaqondakali kokungenakutholwa kwedatha etholakala kuma-CPU buffers angaphakathi.
Lesi setha esisha samaphutha sinokuhlukahluka okuningana. Ukusiza abasebenzisi ukubhekana nenani elikhulayo lamaphutha weprosesa phakathi kwezakhiwo ezahlukahlukene, kungezwe inketho entsha yokuzimela yokwakha ebizwa nge- "mitigations =".
Lesi isethi yezinketho ezimele zodwa nezihleliwe ze-arc (okwamanje i-x86, i-PowerPC, ne-s390) ukwenza kube lula ukunika amandla noma ukukhubaza ukuvikelwa kungakhathalekile ukuthi ikuphi uhlelo olukulo. zilandelana.
I-Linux 5.2 kernel ibuye ifake inqwaba yamashayeli amasha futhi avuselelwe ukuhambisana okungcono kwehadiwe, kanye nokulungiswa kwamaphutha okungenakubalwa nokulungiswa kwezokuphepha.
Uhlobo olusha lwe-Linux kernel, inguqulo 5.2, iqukethe abashayeli bomphakathi ababili bama-accelerator we-ARM Mali.