Wasu kwanaki da suka gabata Linus Torvalds ya ba da sanarwar samar da ingantaccen sigar Linux 5.18, sigar da ta zo daidai watanni biyu bayan jerin kernel na Linux 5.17 kuma ya karɓi matakan RC guda takwas (Masu Sakin Candidate) a duk tsawon yanayin ci gabanta, wanda ya taimaka masu haɓaka kernel don gyara kwari da haɓaka abubuwan da ke akwai.
Daga cikin mafi dacewa canje-canje na wannan sabon sigar Linux Kernel 5.18 sun haɗa da canji zuwa ma'aunin tattarawar C11, goyan bayan "al'amuran masu amfani" a cikin tsarin bin diddigin, goyan bayan aikin "tashar tashar sarrafa tsarin runduna" daga AMD, tallafi don 64. -Bit integrity checksums akan na'urorin NVMe, da ƙari.
Babban sabon fasali na Linux 5.18
An yi ƙarin ƙari da yawa daga Intel a cikin wannan sabon sigar Linux Kernel 5.18, gami da sabon direba "Hardware Feedback Interface" (HFI) don masu sarrafa kayan masarufi irin su Alder Lake, “Software Defined Silicon” (SDSi) an haɗe su don ba da damar sifofin siliki masu lasisi tare da Intel CPUs na gaba, “Indirect Branch Tracking” (IBT) a matsayin wani ɓangare na “Fasahar Fasa-Tsarki-Flow. ”, “ENQCMD” an sake kunna shi don Sapphire Rapids da ƙari. Intel PECI, Platform Environmental Control Interface, kuma an haɗe shi don mu'amala tsakanin CPU da BMC akan dandamalin sabar Intel.
da shirye-shirye don haɓakar Intel IPI kuma sun sauka a cikin Linux 5.18, yayin da ainihin kunnawa ya kamata ya kasance a can don sake zagayowar v5.19. Amma ga sabon Intel a cikin zane-zane, Linux 5.18 yana ba da tallafi ga ƙaramin dandamali na DG2 G12, goyon bayan Intel Alder Lake N graphics da daban-daban DG2/Alchemist kunna ragowa.
Hakanan akwai aiki akan AMD EDAC don Zen 4 CPUs, haɓaka haɓaka haɓakawa daga AMD da sauran aiki akan Zen 4. KVM tare da Linux 5.18 shima yana dacewa da na'urori masu kama da AMD har zuwa 511 vCPUs, daga 255 vCPUs a yau, kuma sun fi EPYC na baya-bayan nan. sabobin da ke ba da adadi mafi girma tare da Bergamo. Amma ga zane-zane na AMD, Linux 5.18 yana ba da damar AMDGPU's FreeSync "yanayin bidiyo" ta tsohuwa, wanda aka ɓoye a bayan zaɓi na ƙirar a cikin kernels da suka gabata.
Hakanan ana kunna tubalan farko na IP don GPUs da APUs tsara na gaba, amma an tsara ƙarin a cikin kernel 5.19. Game da hardware, da "Raspberry Pi Zero 2W" yana da cikakken tallafin kwaya na Linux a cikin wannan sigar.
Bugu da ƙari, an ƙaddamar da tsarin fayil na ReiserFS kuma ana sa ran za a cire shi a cikin 2025. Ƙaddamar da ReiserFS zai rage ƙoƙarin da ake buƙata don kula da canje-canjen tsarin fayil na yau da kullum don tallafawa sabon dutsen, iomap, da girma APIs. .
An kuma haskaka cewa an sake tsara lambar don ƙididdige ƙididdiga a cikin direbobin na'ura-mapper, wanda ya inganta ingantaccen lissafin lissafi a cikin direbobi kamar dm-crypt. Don na'urorin NVMe, an aiwatar da goyan bayan 64-bit checksums don tantance gaskiya.
A gefe guda, an nuna cewa an fara haɗa nau'ikan faci, wanda zai iya rage yawan lokacin sake gina kwaya ta hanyar sake fasalin tsarin fayiloli na kai da rage yawan abin dogaro. Kernel 5.18 ya haɗa da faci waɗanda ke haɓaka tsarin fayilolin jigon jadawali (kernel/sched).
Lambar kernel na iya amfani da ma'aunin C11, wanda aka buga a cikin 2011. A baya can, lambar da aka ƙara zuwa kernel dole ne ta bi ƙayyadaddun ANSI C (C89), wanda aka kafa a cikin 1989. Canza zaɓin '–std=gnu89' zuwa '–std=gnu11 -Wno-shift- negative -darajar' a cikin rubutun kernel 5.18. An yi la'akari da yuwuwar amfani da ma'aunin C17, amma a wannan yanayin zai zama dole don haɓaka mafi ƙarancin tallafi na GCC, yayin da haɗawar tallafin C11 ya dace da buƙatun yanzu don sigar GCC (5.1).
Har ila yau An haskaka ƙarin kayan aikin don bin diddigin aikace-aikacen a cikin sarari mai amfani. Sabuwar sigar kernel tana ƙara ikon aiwatar da mai amfani don ƙirƙirar abubuwan mai amfani da rubuta bayanai zuwa madaidaicin buffer, wanda za'a iya gani ta hanyar abubuwan amfani na kernel na gama gari kamar ftrace da perf.
A ƙarshe, idan kuna sha'awar samun damar ƙarin sani game da shi, kuna iya tuntuɓar cikakkun bayanai a cikin bin hanyar haɗi.