Bayan watanni biyu na ci gaba, Linus Torvalds ya gabatar da nau'in kernel na Linux na 5.3 da wane tsakanin da canje-canje sananne sosai AMD Navi GPU tallafi ya haskaka, Masu sarrafa Zhaoxi da Intel Speed Zabi Fasahar Gudanar da Fasaha da ƙari da yawa.
Sanarwar sabuwar sigar, Linus ya tunatar da duk manyan masu gabatar da tsari ciwan kwaya kiyaye hali ɗaya don abubuwan sararin mai amfani. Canje-canje ga kwaya bai kamata ya keta aikace-aikacen da suke gudana ba wanda hakan zai haifar da koma baya ga matakin mai amfani.
A lokaci guda, cin zarafin ɗabi'a na iya haifar da ba kawai canji a cikin ABI ba, cire tsofaffin lambobin ko kurakurai, har ma da tasirin kai tsaye na yin ingantaccen fa'ida da kyau.
Menene sabo a cikin Linux Kernel 5.3
Daga cikin sabbin labaran da suka yi fice a cikin wannan sabon sigar na Linux Kernel 5.3 zamu iya samun hakan don Direban Amdgpu yana ƙara tallafi na farko don AMD NAVI GPUs (RX5700), wanda ya hada da Base Controller, Display Interaction Code (DCN2), GFX da Compute Support (GFX10), SDMA 5 (DMA0 System), Power Management, da Media Encoders / Decoders (VCN2).
amdgpu Har ila yau, ingantaccen tallafi don katunan Vega12 da Vega20 GPU, wanda aka ƙara ƙarin ƙwaƙwalwar ajiya da ikon sarrafa ikon.
A cikin direban DRM don katunan bidiyo na Intel don kwakwalwan Icelake, ana aiwatar da sabon yanayin gyaran gamma da yawa. Ara ikon nunawa ta hanyar DisplayPort a cikin Tsarin YCbCr4: 2: 0.
Waƙwalwar ajiya da sabis na tsarin
A cikin kwaya 5.3, Gabatar da tallafi don Intel Speed Zabi Fasahar Gudanar da Power, abin da ke akwai akan zaɓaɓɓun sabobin tare da masu sarrafa Intel Xeon. Wannan fasaha tana ba ka damar saita aikin rabuwa da saitunan aiki don ginshiƙai daban-daban na CPU, yana ba ka damar fifita ayyukan don ayyukan da aka yi a kan takamaiman ƙwayoyin cuta, sadaukar da aikin a kan wasu ƙwayoyin
A gefe guda a cikin Linux Kernel 5.3 matakai a cikin sararin mai amfani suna da ikon jira ɗan gajeren lokaci ba tare da amfani da madaukai ba ta amfani da umarnin umwait. Wannan koyarwar, tare da umonitor da kuma tpause umarnin, za'a bayar akan kwakwalwar Intel "Tremont" mai zuwa, kuma zai bada izinin aiwatar da jinkiri wanda ke adana kuzari kuma baya shafar aikin sauran zaren lokacin amfani da Hyper Threading.
Don tsarin gine-ginen RISC-V, an ƙara tallafi don manyan shafukan ƙwaƙwalwar ajiya (manyan shafuka).
Tsarin diski, I / O, da tsarin fayil
Don tsarin fayil na XFS, ana aiwatar da zaɓi mai inode mai yawa (misali, lokacin duba adadin). Ana ƙara sabon ioctl BULKSTAT da INUMBERS, suna ba da damar yin amfani da ayyukan da suka bayyana a cikin bugu na biyar na tsarin FS, kamar lokacin haihuwar inode da ikon saita sigogin BULKSTAT da INUMBERS ga kowane rukunin AG (ignungiyoyin Aiki).
Duk da yake an ƙara tallafi ga ɓata gari na kundin fayil don Ext4 fayil ɗin fayil (abubuwan da ba a haɗa su ba). An yi amfani da tutar 'i' don buɗaɗɗun fayiloli (rubuta haramtawa a cikin yanayi guda ɗaya idan aka saita tuta lokacin da fayil ya riga ya buɗe).
F2FS yana ƙara zaɓi don iyakance mai tara shara yayin aiki a wurin dubawa = yanayin nakasa.
Ara ikon karɓar fayil ɗin sauyawa akan F2FS tare da I / O. kai tsaye Ga dukkan masu amfani, an ƙara tallafi don gyara fayil da sanya tubalan waɗannan fayilolin.
Virwarewa da tsaro
Mabuɗin ya haɗa da hypervisor don na'urorin ACRN da aka saka, wanda aka rubuta tare da shirye-shiryen aiki na ainihi a hankali da dacewa don amfani a cikin tsarin mahimmanci. ACRN yana ba da ƙarancin haske, yana tabbatar da ƙarancin jinkiri, da kuma isasshen amsa yayin ma'amala da kayan aiki.
Yanayin mai amfani na Linux ya ƙara yanayin da zai ba ka damar rage gudu ko saurin lokaci a cikin mahimmin UML yanayi don sauƙaƙe ɓarna na lambar da ke da alaƙa da lokaci. Bugu da ari, fara siga sanya wanda ke ba da damar fara agogon tsarin daga takamaiman ma'ana cikin tsarin zamani.
Netfilter don nftables yana ƙara tallafi don hanyoyin tace abubuwa kayan aiki sun haɓaka kunshin kayan aiki ta amfani da Flow Block API da aka ƙara wa direbobi. Cikakken teburin doka tare da duk kirtani za'a iya ɗauka kusa da adaftar cibiyar sadarwa. Hadawa ana aiwatarwa ne ta hanyar daura NFT_TABLE_F_HW zuwa teburin.
Sauƙaƙan metadata don ladabi na Layer 3 da 4, karɓar / ƙin aikatawa, daidaitawa ta hanyar IP da mai aikawa / karɓar tashoshin hanyar sadarwa da nau'in yarjejeniya suna tallafawa.