Babban sabbin abubuwa
- Tsarin pidfd yana ba ku damar sanya takamaiman PID zuwa tsari. Pinning yana ci gaba bayan an ƙare aikin don a iya ba da PID ɗin lokacin da ya sake farawa. Duba cikakkun bayanai.
- Ƙayyadaddun kewayon mitar a cikin mai tsara tsari. Misali, ana iya aiwatar da matakai masu mahimmanci a ƙaramin mitar mitar (a ce, ba ƙasa da 3 GHz ba), kuma ana iya gudanar da matakai masu ƙarancin fifiko a mafi girman mitar mitar (misali, ba fiye da 2 GHz ba). Duba cikakkun bayanai.
- Taimakawa ga kwakwalwan bidiyo na dangin AMD Navi (RX5700) a cikin direban amdgpu. Ana aiwatar da duk ayyukan da suka wajaba, gami da rufaffiyar bidiyo/decoding da sarrafa iko.
- Ana gudanar da cikakken aiki akan na'urorin Zhaoxin masu jituwa x86, waɗanda aka ƙirƙira sakamakon haɗin gwiwa tsakanin VIA da gwamnatin Shanghai.
- Tsarin sarrafa wutar lantarki ta amfani da fasaha na Intel Speed Select, halayyar wasu masu sarrafawa na dangin Xeon. Fasahar ta shahara saboda iyawarta na daidaita aikin kowane jigon CPU.
- Ingantacciyar makamashi mai inganci tsarin tsarin jiran mai amfani ta amfani da umarnin umwait don masu sarrafa Intel Tremont. Duba cikakkun bayanai.
- An amince da kewayon 0.0.0.0/8 don amfani, wanda ke ba da sabbin adiresoshin IPv16 miliyan 4. Duba cikakkun bayanai.
- Mai sassauƙa, mai nauyi ACRN hypervisor, wanda ya dace da sarrafa tsarin IoT (Internet of Things). Duba cikakkun bayanai.
A ƙasa akwai wasu canje-canje.
Babban ɓangaren ainihin
- Taimako don matsawa firmware cikin tsarin xz, wanda ke ba ku damar rage / lib/firmware directory daga ~ 420 MB zuwa ~ 130 MB.
- Wani sabon nau'in tsarin clone() yana kira tare da ikon saita ƙarin tutoci. Duba cikakkun bayanai.
- Zaɓin babban font ta atomatik don babban ƙuduri a cikin na'ura wasan bidiyo.
- Zaɓin CONFIG_PREEMPT_RT yana nuna saurin haɗawar saitin facin RT zuwa babban reshen kernel.
Tsarin fayil
- Tsarin BULKSTAT da INUMBERS yana kira ga XFS v5, kuma an fara aiki kan aiwatar da zirga-zirgar inode mai zare da yawa.
- Btrfs yanzu yana amfani da ƙididdigar sauri (crc32c) akan duk gine-gine.
- Tutar rashin canzawa (rauni) yanzu ana amfani da shi sosai don buɗe fayiloli akan Ext4. Aiwatar da tallafi don ramuka a cikin kundayen adireshi.
- CEPH ta koyi aiki tare da SELinux.
- Hanyar smbdirect a cikin CIFS ba a ɗaukar gwajin gwaji. Haɗa algorithms na sirri don SMB3.1.1 GCM. Ƙara saurin buɗe fayil.
- F2FS na iya karɓar fayilolin musanya; suna aiki a yanayin samun dama kai tsaye. Ability don musaki mai tara shara tare da wurin bincike=an kashe.
- Abokan NFS na iya kafa haɗin TCP da yawa zuwa uwar garken lokaci guda ta hanyar nconnect=X zaɓin Dutsen.
Tsarin ƙwaƙwalwar ajiya
- Ana ba kowane dma-buf cikakken inode. Kundayen adireshi na /proc/*/fd da /proc/*/map_files suna ba da cikakken bayani game da amfani da buffer shmem.
- Injin smaps yana nuna keɓantaccen bayani game da ƙwaƙwalwar ajiyar da ba a san suna ba, ƙwaƙwalwar ajiyar da aka raba, da cache fayil a cikin fayil ɗin smaps_rollup proc.
- Yin amfani da rbtree don swap_extent ingantacciyar aiki lokacin da yawancin matakai ke musanyawa.
- /proc/meminfo yana nuna adadin shafukan vmalloc.
- An faɗaɗa ƙarfin kayan aiki/vm/slabinfo dangane da rarrabuwar ma'ajin ta matakin rarrabuwa.
Hankali da Tsaro
- Direban virtio-iommu don na'urar da ba ta dace ba wacce ke ba da damar aika buƙatun IOMMU ba tare da yin koyi da teburin adireshi ba.
- Direban virtio-pmem don samun damar tuƙi ta wurin sararin adireshi na zahiri.
- Haɓaka samun dama ga metadata don vhost. Don gwajin TX PPS yana nuna haɓakar 24% cikin sauri.
- An kashe Zerocopy ta tsohuwa don vhost_net.
- Ana iya haɗa maɓallan ɓoyewa zuwa wuraren suna.
- Taimako don xxhash, algorithm ɗin hashing mara saurin sauri wanda saurinsa ya iyakance kawai ta aikin ƙwaƙwalwar ajiya.
Tsarin hanyar sadarwa
- Taimakon farko don abubuwa na gaba da aka ƙera don haɓaka haɓakar hanyoyin IPv4 da IPv6.
- Netfilter ya koyi sauke tacewa zuwa na'urorin haɓaka kayan aiki. Ƙara goyon bayan bin diddigin haɗin ƙasa don gadoji.
- Wani sabon tsarin kula da zirga-zirga wanda ke ba ku damar sarrafa fakitin fakitin MPLS.
- An cire tsarin tsarin isdn4linux.
- LE pings akwai don Bluetooth.
Hardware architectures
- Sabbin dandamali na ARM da na'urori: Mediatek mt8183, Amlogic G12B, Kontron SMRC SoM, Google Cheza, devkit don Purism Librem5, Qualcomm Dragonboard 845c, Hugsun X99 TV Box, da sauransu.
- Don x86, an ƙara tsarin /proc/ /arch_status don nuna takamaiman bayanai na gine-gine kamar na ƙarshe lokacin da aka yi amfani da AVX512.
- Ingantaccen aikin VMX na KVM, saurin vmexit ya karu da 12%.
- Ƙarawa da sabunta bayanai daban-daban game da Intel KabyLake, AmberLake, WhiskeyLake da masu sarrafa Ice Lake.
- lzma da lzo matsawa don uImage akan PowerPC.
- Amintaccen virtio-virtualization don S390.
- Taimako don manyan shafukan ƙwaƙwalwar ajiya don RISCV.
- Yanayin tafiye-tafiye na lokaci don Linux-yanayin mai amfani (jinkirin lokaci da haɓakawa).
Direbobin na'ura
- Ƙididdigar metadata na HDR don amdgpu da direbobi i915.
- Ƙarin ayyuka don Vega12 da Vega20 guntun bidiyo a cikin amdgpu.
- Gyaran gamma da yawa don i915, da kashe wutar allo asynchronous da adadin sabbin firmware.
- Direban bidiyo na Nouveau ya koyi gane kwakwalwan kwamfuta daga dangin TU116.
- Sabbin ka'idojin Bluetooth MediaTek MT7663U da MediaTek MT7668U.
- TLS TX HW zazzagewa don Infiniband, da ingantaccen kayan aiki da saka idanu zafin jiki.
- Gane Lake Elkhart a cikin HD Audio direba.
- Sabbin na'urori masu jiwuwa da codecs: Conexant CX2072X, Cirrus Logic CS47L35/85/90, Cirrus Logic Madera, RT1011/1308.
- Apple SPI direba don keyboard da trackpad.
- A cikin tsarin sa ido, zaku iya saita iyakacin lokaci don buɗe /dev/watchdogN.
- Tsarin sarrafa mitar cpufreq yana samun goyan bayan imx-cpufreq-dt da Raspberry Pi.
source: linux.org.ru