Iinguqulelo eziphambili
- Indlela ye pidfd ikuvumela ukuba unike iPID ethile kwinkqubo. I-Pinning iyaqhubeka emva kokuba inkqubo iphelile ukuze i-PID ikhutshwe kuyo xa iqala kwakhona. Jonga iinkcukacha.
- Unyino loluhlu lwamaxesha kumcwangcisi wenkqubo. Ngokomzekelo, iinkqubo ezibalulekileyo zinokuqhutywa kumlinganiselo omncinci wokuphindaphinda (ukuthi, akukho ngaphantsi kwe-3 GHz), kunye neenkqubo eziphantsi-phambili zingaqhutywa kwi-frequency threshold ephezulu (umzekelo, akukho ngaphezu kwe-2 GHz). Jonga iinkcukacha.
- Inkxaso yeechips zevidiyo ze-AMD Navi (RX5700) kumqhubi we-amdgpu. Yonke imisebenzi eyimfuneko iphunyeziwe, kubandakanywa i-encoding/decoding yevidiyo kunye nolawulo lwamandla.
- Isebenza ngokupheleleyo kwiiprosesa zeZhaoxin ezihambelanayo ze-x86, ezenziwe ngenxa yentsebenziswano phakathi kwe-VIA kunye norhulumente waseShanghai.
- Inkqubo engaphantsi yolawulo lwamandla usebenzisa i-Intel Speed ββββKhetha itekhnoloji, uphawu lwezinye iiprosesa zosapho lweXeon. Itekhnoloji iphawuleka ngokukwazi kwayo ukulungisa kakuhle ukusebenza kondoqo we-CPU nganye.
- Inkqubo yokulinda eyonga amandla usebenzisa i-umwait yeeprosesa ze-Intel Tremont. Jonga iinkcukacha.
- Uluhlu lwe-0.0.0.0/8 luvunyiwe ukuba lusetyenziswe, olunika i-16 yezigidi zeedilesi ze-IPv4 ezintsha. Jonga iinkcukacha.
- I-Flexible, lightweight ACRN hypervisor, ilungele kakuhle ukulawula iinkqubo ze-IoT (i-Intanethi yezinto). Jonga iinkcukacha.
Ngezantsi kukho ezinye iinguqu.
Inxalenye ephambili yondoqo
- Inkxaso yokucinezela i-firmware kwifomati ye-xz, ekuvumela ukuba unciphise i/lib/firmware directory ukusuka ~ 420 MB ukuya ~ 130 MB.
- Umahluko omtsha we-clone () inkqubo yokufowuna ngokukwazi ukuseta iiflegi ezininzi. Jonga iinkcukacha.
- Ukukhetha okuzenzekelayo kwefonti enkulu kwizisombululo eziphezulu kwi-console.
- Ukhetho lweCONFIG_PREEMPT_RT luphawula udibaniso olukhawulezayo lweseti yeepetshi zeRT kwisebe le kernel engundoqo.
Inkqubo esezantsi yefayile
- I-BULKSTAT kunye ne-INUMBERS inkqubo ibiza i-XFS v5, kwaye umsebenzi sele uqalile ekuphumezeni i-inode traversal multi-threaded.
- I-Btrfs ngoku isebenzisa ii-checksums ezikhawulezayo (crc32c) kuzo zonke ii-architectures.
- Ukungaguquki (ukungaguquki) iflegi ngoku isetyenziswa ngokungqongqo ukuvula iifayile kwi-Ext4. Iphunyeziwe inkxaso yemingxuma kwizikhokelo.
- I-CEPH ifunde ukusebenza kunye ne-SELinux.
- Indlela ye-smbdirect kwi-CIFS ayisathathwa njengovavanyo. I-cryptographic algorithms eyongeziweyo ye-SMB3.1.1 GCM. Ukonyuka kwesantya sokuvula ifayile.
- I-F2FS inokusingatha iifayile zokutshintsha; zisebenza ngendlela yokufikelela ngokuthe ngqo. Ukukwazi ukuvala umqokeleli wenkunkuma ngendawo yokukhangela=khubaza.
- Abathengi be-NFS banokuseka imidibaniso emininzi ye-TCP kwiseva ngaxeshanye besebenzisa i-nconnect=X yokhetho lokunyuka.
Inkqubo engaphantsi kweMemori
- I-dma-buf nganye inikwe i-inode epheleleyo. I/proc/*/fd kunye /proc/*/map_files abalawuli babonelela ngolwazi oluninzi oluneenkcukacha malunga nokusetyenziswa kwe-shmem buffer.
- Injini yesmaps ibonisa ulwazi olwahlukileyo malunga nememori engaziwa, imemori ekwabelwana ngayo, kunye nefayile efihliweyo kwifayile yeproc smaps_rollup.
- Ukusebenzisa i-rbtree ye-swap_extent kuphuculwe ukusebenza xa iinkqubo ezininzi bezitshintshisa.
- /proc/meminfo ibonisa inani lamaphepha e-vmalloc.
- Izakhono zezixhobo/vm/slabinfo zandisiwe ngokwemiqathango yokuhlenga ii-cache ngokweqondo lokuqhekeka.
Ukwenziwa kweVirtual kunye noKhuseleko
- Umqhubi we-virtio-iommu wesixhobo se-paravirtualized esikuvumela ukuba uthumele izicelo ze-IOMMU ngaphandle kokulinganisa iitafile zeedilesi.
- Umqhubi we-virtio-pmem wokufikelela kwiidrives ngesithuba sedilesi yendawo.
- Ukukhawulezisa ukufikelela kwimetadata ye-vhost. Kwiimvavanyo ze-TX PPS zibonisa ukunyuka kwe-24% kwisantya.
- I-Zerocopy ivaliwe ngokungagqibekanga kwi-vhost_net.
- Izitshixo zoguqulelo oluntsonkothileyo zingancanyathiselwa kwizithuba zamagama.
- Inkxaso ye-xxhash, i-algorithm ye-hashing ekhawuleza kakhulu engeyiyo eye-cryptographic enesantya esilinganiselweyo kuphela kukusebenza kwememori.
Inkqubo engaphantsi yothungelwano
- Inkxaso yokuqala yezinto ze-nexhop eziyilelwe ukuphucula ukukala kwe-IPv4 kunye ne-IPv6 iindlela.
- I-Netfilter ifunde ukukhuphela isihluzo kwizixhobo zokukhawulezisa izixhobo. Kongezwe uqhagamshelwano lwemveli inkxaso yokulandelela iibhulorho.
- Imodyuli entsha yolawulo lwendlela ekuvumela ukuba usebenzise iiheader zepakethe yeMPLS.
- Inkqubo esezantsi ye-isdn4linux isusiwe.
- I-LE pings iyafumaneka kwiBluetooth.
Uyilo lwe-Hardware
- Amaqonga amatsha e-ARM kunye nezixhobo: Mediatek mt8183, Amlogic G12B, Kontron SMARC SoM, Google Cheza, devkit for Purism Librem5, Qualcomm Dragonboard 845c, Hugsun X99 TV Box, njl.
- Kwi-x86, i/proc/ indlela yongeziwe /arch_status ukubonisa ulwazi oluthile lolwakhiwo njengexesha lokugqibela i-AVX512 isetyenzisiweyo.
- Ukusebenza kwe-VMX elungiselelwe i-KVM, isantya se-vmexit sinyuke nge-12%.
- Yongezwe kwaye ihlaziywe ulwazi olwahlukeneyo malunga ne-Intel KabyLake, i-AmberLake, i-WhiskyLake kunye ne-Ice Lake processors.
- Uxinzelelo lwe-lzma kunye ne-lzo ye-uImage kwiPowerPC.
- Khusela i-virtio-virtualization ye-S390.
- Inkxaso yamaphepha amakhulu ememori ye-RISCV.
- Imowudi yokuhamba kwexesha ye-User-mowudi ye-Linux (ixesha lokucotha kunye nokukhawuleza).
Abaqhubi besixhobo
- Ukuqatshelwa kwemethadatha ye-HDR ye-amdgpu kunye nabaqhubi be-i915.
- Ukongezwa kokusebenza kweVega12 kunye neVega20 yevidiyo chips kwi-amdgpu.
- Ukulungiswa kwe-gamma ye-multi-segment ye-i915, kunye nokucinywa kwesikrini se-asynchronous kunye nenani le-firmware entsha.
- Umqhubi wevidiyo we-Nouveau uye wafunda ukuqaphela ii-chips ezivela kusapho lwe-TU116.
- Iiprothokholi ezintsha zeBluetooth MediaTek MT7663U kunye neMediaTek MT7668U.
- I-TLS TX HW ikhuphela i-Infiniband, kunye ne-hardware ephuculweyo kunye nokubeka iliso lobushushu.
- Ukuqatshelwa kwe-Elkhart Lake kumqhubi we-HD Audio.
- Izixhobo ezitsha zomsindo kunye neekhowudi: Conexant CX2072X, Cirrus Logic CS47L35/85/90, Cirrus Logic Madera, RT1011/1308.
- Umqhubi we-Apple SPI wekhibhodi kunye ne-trackpad.
- Kwi-subsystem ye-watchdog, unokumisela umda wexesha lokuvula /dev/watchdogN.
- Indlela yokulawula i-cpufreq frequency ixhaswa yi-imx-cpufreq-dt kunye neRaspberry Pi.
umthombo: linux.org.ru