Kwayar Linux ita ce kashin bayan tsarin aiki na Linux (OS), kuma ita ce babbar hanyar sadarwa tsakanin kayan aikin kwamfuta da hanyoyinta.
Bayan watanni biyu na ci gaba, Linus Torvalds ya saki Linux kernel 6.0 kuma na sanannen canje-canje game da 40% na duk canje-canjen da aka gabatar a cikin 6.0 suna da alaƙa da direbobin na'ura, kusan 19% na canje-canje suna da alaƙa da sabunta lambar musamman ga gine-ginen kayan masarufi, 12% suna da alaƙa da tari na cibiyar sadarwa, 4% tare da tsarin fayil. , kuma 2% tare da na ciki.
Ɗaya daga cikin manyan sababbin sababbin sigar Linux kernel 6.0 shine goyon baya ga AArch64 hardware gine (ARM64), goyon baya ga NVMe in-band Tantance kalmar sirri, goyon baya ga PCI bas a kan OpenRISC da LoongArch architectures, asynchronous buffer rubuta yayin amfani da XFS da io_uring, kazalika da goyon baya ga cibiyar sadarwa watsa, a tsakanin sauran abubuwa.
Da yake sanar da samuwar sabon nau'in kwaya, Torvalds ya ce sigar 6.0 ita ce "daya daga cikin mafi girma da aka saki, aƙalla ta adadin aikatawa, a cikin ɗan lokaci kaɗan," galibi saboda haɗa " jimlar 15.000 da aka yi " ba a haɗa su ba. .
Menene sabo a Linux Kernel 6.0?
A cikin wannan sabon sigar Linux Kernel 6.0 an haskaka hakan mafi kyawun ACPI da sarrafa wutar lantarki sun haɗa, wanda ya kamata ya taimaka wa masu amfani da na'urori masu sarrafawa na Sapphire Rapids na Intel su ceci wuta.
Wani muhimmin canji shi ne Tallafin kwaya don SMB3 yakamata ya hanzarta canja wurin fayil kuma ya inganta tsaro ta hanyar baiwa masu amfani da yawa dalilin kawar da SMB1, wanda ba shi da tsaro kuma an daɗe yana dainawa.
Baya ga wannan, an kuma yi nuni da cewa ƙarin tallafi don asynchronous buffered ya rubuta zuwa tsarin fayil na XFS ta amfani da tsarin io_uring. Gwajin aiki tare da kayan aikin fio (1 thread, 4kb block size, 600 seconds, rubuta jeri) yana nuna haɓaka ayyukan shigarwa / fitarwa a sakan daya (IOPS) daga 77k zuwa 209k, canja wurin ƙimar bayanai daga 314MB/s zuwa 854MB/s kuma latency ya ragu daga 9600ns zuwa 120ns (80x).
Hakanan an lura cewa an ƙara goyan bayan in-band don in-band don masu tafiyar da NVMe, ban da uwar garken NFSv4 da ke aiwatar da iyaka akan adadin abokan ciniki masu aiki, wanda aka saita a 1024 ingantattun abokan ciniki a kowace gigabyte na RAM a cikin tsarin.
Aiwatar da abokin ciniki na CIFS ya inganta aikin hanyoyi da yawa, da sabon tutar FAN_MARK_IGNORE an ƙara zuwa tsarin bibiyar taron a fanotify FS don yin watsi da takamaiman abubuwan da suka faru.
A bangaren tsaro. a cikin Linux Kernel 6.0 yana aiwatar da dawo da tsaba bazuwar na bayanan saitin bootloader don x86 da kernels m68k, da kuma goyan bayan tsarin tsaro na SafeSetID don gudanar da canje-canje zuwa ƙungiyoyin saiti(), goyan bayan ARIA ɓoyayyen algorithm.
An cire CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 saitin, wanda ya ba da damar haɗa kernel a cikin yanayin ingantawa "-O3". Lura cewa ana iya yin gwaji tare da hanyoyin ingantawa ta hanyar wucewar tutoci na lokaci-lokaci ("yi KCFLAGS=-O3"), da ƙara daidaitawa zuwa Kconfig yana buƙatar samar da bayanin martaba mai maimaitawa, yana nuna cewa cire madauki da aka yi amfani da shi a cikin yanayin "-O3". yana ba da riba idan aka kwatanta da matakin ingantawa na "-O2".
A gefe guda, yana kuma nuna cewa Intel's Arc discrete graphics yanzu ana tallafawa kuma an inganta dacewa da wasu kwamfyutocin hannu masu ƙarfi.
Haka nan ga gine-ginen LoongArch, tsarin gine-ginen kasar Sin mai cikakken iko da aka nuna a matsayin dan takarar fasaha na asali don ba da damar rage dogaro ga fasahar da ake shigowa da ita.
Hakanan yana da daraja ambaton sabon kari na RISC-V an haɗa su cikin babban kwaya kamar Zicbom, Zhintpause da Sstc. RISC-V shi ma yana da ingantaccen tsarin kwaya mai amfani don gudanar da aikace-aikace kamar Docker da Snaps a cikin ginin defconfig;
Ara a debugfs dubawa don samun bayanai game da aikin "masu rage ƙwaƙwalwar ajiya" mutum ɗaya (direba da ake kira lokacin da babu isassun ƙwaƙwalwar ajiya da tattara tsarin bayanan kwaya don rage yawan ƙwaƙwalwar ajiyar su).
Na sauran canje-canje wanda ya fice daga wannan sabon sigar:
- An aiwatar da goyan bayan bas ɗin PCI don gine-ginen OpenRISC da LoongArch.
- An aiwatar da tsawaita "Zicbom" don gine-ginen RISC-V don sarrafa na'urorin DMA marasa daidaituwa.
- Intel Raptor Lake P yana goyan bayan direban RAPL.
- AMD jira shirye-shiryen don kayan aikin AMD mai zuwa.
- Taimakon direban audio don dandamali na AMD Raphael da Jadeite.
- Intel Meteor Lake goyon bayan direban audio.
- Intel IPI da AMD x2AVIC kamanta suna zuwa don KVM.
- Raspberry Pi V3D kernel direba yana goyan bayan Rasberi Pi 4.
- Atari FBDEV direba yana gyarawa.
- Saurin gungurawa na'ura wasan bidiyo akan tsofaffin masu sarrafa FBDEV.
- Daban-daban sauran buɗaɗɗen tushen kernel graphics updates.
- IO_uring mai amfani sarari toshe goyan bayan direba.
- IO_uring inganta aikin da ƙari na sabbin abubuwa, gami da tura mara amfani don hanyar sadarwa.
Idan kana son karin bayani game da shi, zaka iya duba bayanan A cikin mahaɗin mai zuwa.