Bayan wata biyu na cigaba, Linus Torvalds ya saki kernel na 5.13 na Linux wanda aka ɗauka a matsayin mafi girman sigar a tarihi, tunda ta karɓi gyare-gyare 17189 daga masu haɓaka 2150 kuma waɗanda canje-canjen suka shafi fayiloli 12996, layin 794705 na lambar da aka ƙara, an cire layukan 399590
Daga cikin sanannun canje-canje Tallafin farko don kwakwalwan Apple M1 da aka haskaka, cgroup "misc" direba, dakatar da goyon baya ga / dev / kmem, goyon baya ga sababbin Intel da AMD GPUs, da ikon kiran ayyukan kern kai tsaye daga shirye-shiryen BPF, Kernel stack randomization ga kowane tsarin kira, da ikon ginawa a cikin Clang tare da kariya ta CFI (Tsarin Gudanar da Mutuncin Gudanarwa), LSM module Landlock don ƙarin ƙwanƙwasa tsari, da ƙari.
Babban sabon fasali na Linux 5.13
A cikin wannan sabon sigar na Kernel se yana nuna gabatarwar tallafi na farko don guntu na ARM M1 na Apple, wanda ke rufe ayyukan mai katsewa, mai ƙidayar lokaci, UART, SMP, I / O da MMIO. An ambata cewa GPU baya aikin injiniya bai kammala ba tukuna, ana ba da na'ura mai kwakwalwa ta atomatik da goyan baya don tsara fitarwa.
Wani sabon abu wanda yayi fice shine ci gaba da haɗuwa a cikin kwayar MPTCP (MultiPath TCP), Tunda sabon sigar yana ƙara tallafi don sockopt don daidaita zaɓin TCP na yau da kullun. An aiwatar da ikon sake saita kowane ruwa mai gudana.
Har ila yau yana tsaye a sabon matukin cgroup "Misc" (CONFIG_CGROUP_MISC), wanda aka tsara don iyakance da bin hanyoyin sikandila waɗanda za a iya sarrafa su ta amfani da madaidaiciya kuma iyakantaccen mai ƙidaya saitin matsakaicin ƙimar da aka yarda. A matsayin misali, an ambaci gudanar da masu gano sararin adireshin a cikin injin AMD SEV (Secure Encrypted Virtualization).
A gefe guda, an kuma haskaka hakan a cikin shirye-shiryen bin sawun BPF, ya zama zai yiwu a yi amfani da ajiyar gida de ayyuka don ɗawainiya, wanda ke samar da mafi kyawun aiki yayin ɗaura bayanai ga takamaiman mai kula da BPF.
Bugu da kari, an kuma haskaka hakan bayan shekaru 13 a cikin shirye reshe, mai kula «comedi» ( tarin masu kula don allon sayen bayanai iri-iri. Ana aiwatar da direbobi azaman tsarin kwayar Linux na samar da ayyuka na gama gari da daidaitattun matakan direbobi) ya daidaita kuma ya koma babban shafin don tallafawa na'urorin tattara bayanai.
En ext4, yanzu an ba da izinin sake rubuta bayanan lokacin da aka goge fayiloli don tabbatar an goge sunayen fayil. Ta hanyar shigar da bitmaps na toshewa, an inganta aikin kodin don taswirar toshe a cikin sabbin FSs da aka haɗu. Ext4 shima yana ba da damar amfani da ɓoye lokaci ɗaya da yanayin rashin tasirin lamari.
Duk da yake don XFS an sami damar cire sarari daga rukunin rarrabawa na ƙarshe akan tsarin fayil ɗin, wanda shine farkon hanyar haɗi wajen aiwatar da aikin rage girman ɓangarorin da ke akwai tare da XFS FS. Anyi gyare-gyare daban-daban.
A cikin Btrfs an ƙara amfani da karanta gaba a cikin umarnin aikawa, wanda ya rage lokaci don cikakken aikawa da 10% da ƙari ɗaya da 25%. Don na'urori masu toshe yanki, ana samar da sake rarraba bayanan ta atomatik na shiyyoyi lokacin da aka wuce ƙimar 75% mara amfani da sarari.
An cire tallafi don / dev / kmem fayil na musamman, wanda za a iya amfani da shi don samun damar duk adireshin adireshin kernel. An gano cewa wannan fayil ɗin ya tsufa kuma yana haifar da lamuran tsaro.
Hakanan zamu iya samun a cikin wannan sabon sigar na Linux 5.13 hakan supportara tallafi don gina kwaya tare da haɗawa da hanyar kariya ta CFI (Flowarfafa Flowarfin Gudanar da Gudanar da Gudanarwa) a cikin mai tarawa na Clang, wanda functionara aikin dubawa kafin kowane kira na kai tsaye don gano wasu nau'ikan halayen da ba a bayyana su ba hakan na iya haifar da ƙeta ikon sarrafawar yau da kullun sakamakon fa'idodi, gyaggyara abubuwan nuni zuwa ayyukan da aka adana a cikin ƙwaƙwalwa. An samar da ma'aunin CONFIG_CFI_CLANG don kunna CFI.
A ƙarshe a ɓangaren direbobi, yanzu don GUD (Generic USB Display) direban ya ba da kayan DRM (Direct Rendering Manager) don juya hoto, sarrafa haske, samun damar EDID, yanayin yanayin bidiyo da haɗin TV, waɗanda ana iya amfani dasu azaman tushe don ƙirƙirar takamaiman direbobi.
Duk da yake don amdgpu ya ƙara tallafi na farko don GPU Aldebaran (gfx90a) da kuma Tallafin farko don FreeSync Adaptive Sync don HDMI an haɗa shi (a baya akwai don DisplayPort),
Duk da yake don masu kula da Intel an haskaka cewa an aiwatar da sabon mai sarrafawa don gudanar da sanyaya, wanda ke ba da damar rage mitar mai sarrafawa yayin da akwai haɗarin zafi fiye da kima.
Saukewa
Ga masu sha'awar sabon sigar Linux 5.13 na iya zazzagewa daga yanzu kernel.org