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Linux Kernel tso tawm 5.7

Tom qab ob lub hlis ntawm txoj kev loj hlob, Linus Torvalds tswvcuab kernel tso tawm Linux 5.7. Ntawm cov kev hloov pauv tseem ceeb tshaj plaws: kev ua haujlwm tshiab ntawm exFAT cov ntaub ntawv kaw lus, bareudp module rau tsim UDP qhov, kev tiv thaiv raws li tus taw tes rau kev lees paub rau ARM64, muaj peev xwm txuas BPF cov kev pab cuam rau LSM handlers, kev siv tshiab ntawm Curve25519, kev sib cais- lock detector, BPF compatibility nrog PREEMPT_RT, tshem tawm qhov txwv ntawm 80-tus cim kab loj hauv cov lej, suav nrog CPU ntsuas kub ntsuas hauv lub sijhawm ua haujlwm, muaj peev xwm siv clone() rau spawn txheej txheem hauv lwm pawg, tiv thaiv kev sau ntawv rau nco siv userfaultfd.

Tus tshiab version suav nrog 15033 kho los ntawm 1961 tus tsim tawm,
thaj loj - 39 MB (hloov cuam tshuam 11590 cov ntaub ntawv, ntxiv 570560 kab ntawm cov cai,
297401 kab tshem tawm). Kwv yees li 41% ntawm tag nrho cov nthuav tawm hauv 5.7
Cov kev hloov pauv muaj feem xyuam rau cov tsav tsheb, kwv yees li 16% ntawm cov kev hloov pauv
Tus cwj pwm ntawm kev hloov kho cov cai tshwj xeeb rau kho vajtse architectures, 13%
muaj feem xyuam rau pawg network, 4% rau cov ntaub ntawv systems thiab 4% rau sab hauv
kernel subsystems.

ntsiab kev tsim kho tshiab:

  • Disk subsystem, I / O thiab cov ntaub ntawv systems
    • Ntxiv tshiab exFAT tsav tsheb siv, nrhiav tau raws li tam sim no "sdfat" (2.x) code puag tsim los ntawm Samsung rau nws cov hauv smartphones. Tus tsav tsheb yav dhau los ntxiv rau cov ntsiav yog raws li keeb kwm Samsung code (version 1.2.9) thiab yog li 10% qab tus tsav tsheb tshiab hauv kev ua haujlwm. Cia peb nco qab tias ntxiv exFAT kev txhawb nqa rau lub ntsiav tau ua tau tom qab Microsoft luam tawm pej xeem cov lus qhia tshwj xeeb thiab ua rau exFAT patents muaj rau kev siv tsis muaj nuj nqis ntawm Linux.
    • Btrfs siv cov lus txib tshiab ioctl() - BTRFS_IOC_SNAP_DESTROY_V2, uas tso cai rau koj tshem tawm ib ntu los ntawm nws tus cim. Kev txhawb nqa tag nrho rau cloning inline extents yog muab. Tus naj npawb ntawm cov ntsiab lus tshem tawm rau kev xa rov qab ua haujlwm tau nthuav dav, uas tau txo qhov ntev tos thaum ua tiav cov lus txib 'sib npaug tshem tawm'. Qhov kev txiav txim siab ntawm backlinks mus rau ntau qhov tau nrawm dua (piv txwv li, lub sijhawm ua tiav cov ntawv xeem tau txo qis los ntawm ib teev mus rau ob peb feeb). Ntxiv lub peev xwm los txuas cov ntaub ntawv txuas mus rau txhua qhov inode ntawm tsob ntoo. Cov txheej txheem thaiv kev siv thaum sau ntawv rau subpartitions thiab thaum tsis suav nrog NOCOW tau raug kho dua tshiab. Txhim kho kev ua haujlwm ntawm fsync ua rau ntau yam.
    • XFS tau txhim kho kev tshuaj xyuas metadata thiab fsck rau cov kev faib ua haujlwm. Lub tsev qiv ntawv tau raug thov kom rov tsim kho btree cov qauv, uas yav tom ntej yuav raug siv los rov ua haujlwm xfs_repair thiab ua kom muaj peev xwm rov qab los yam tsis muaj kev faib tawm.
    • Kev sim kev txhawb nqa rau qhov muab faib sib pauv hauv SMB3 khaws cia tau ntxiv rau CIFS. Siv POSIX txuas ntxiv rau readdir, txhais hauv SMB3.1.1 specification. Txhim kho kev sau ntawv zoo rau 64 KB nplooj ntawv thaum cache = nruj hom yog qhib thiab raws tu qauv version 2.1+ siv.
    • FS EXT4 tau raug xa mus los ntawm bmap thiab iopoll mus siv iomap.
    • F2FS muab kev txhawb nqa rau cov ntaub ntawv compression siv zstd algorithm. Los ntawm lub neej ntawd, LZ4 algorithm yog siv rau compression. Ntxiv kev txhawb nqa rau "chattr -c cog lus" hais kom ua. Mounting lub sij hawm tso saib. Ntxiv ioctl F2FS_IOC_GET_COMPRESS_BLOCKS kom tau txais cov ntaub ntawv hais txog tus naj npawb ntawm compressed blocks. Ntxiv compression cov ntaub ntawv tso zis ntawm statx.
    • Ceph cov ntaub ntawv tau ntxiv lub peev xwm hauv zos ua cov ntaub ntawv tsim thiab tshem tawm cov haujlwm (tsis txuas) yam tsis tau tos cov lus teb los ntawm cov neeg rau zaub mov (ua haujlwm hauv hom asynchronous). Qhov kev hloov pauv, piv txwv li, tuaj yeem txhim kho kev ua tau zoo thaum ua haujlwm rsync utility.
    • Lub peev xwm los siv virtiofs raws li cov ntaub ntawv saum toj kawg nkaus tau ntxiv rau OVERLAYFS.
    • Rov sau dua txoj kev traversal code nyob rau hauv VFS, cim txuas parsing code tau reworked, thiab mount point traversal tau unified.
    • Hauv scsi subsystem rau cov neeg siv tsis muaj cai tso cai kev ua tiav ntawm ZBC cov lus txib.
    • Hauv dm_writecache ua raws lub peev xwm los maj mam tshem cov cache raws li max_age parameter, uas teeb tsa lub neej ntev tshaj plaws ntawm kev thaiv.
    • Hauv dm_integrity ntxiv kev txhawb nqa rau kev ua haujlwm "discard".
    • Hauv null_blk ntxiv kev txhawb nqa rau kev hloov pauv kev ua yuam kev los simulate kev ua tsis tiav thaum kuaj.
    • Ntxiv muaj peev xwm xa udev cov ntawv ceeb toom txog thaiv cov cuab yeej hloov pauv loj.
  • Network subsystem
    • Netfilter suav nrog hloov, ua kom nrawm nrawm ntawm kev ua tiav ntawm cov npe sib tw loj (nftables teeb), uas yuav tsum tau kuaj xyuas kev sib xyaw ntawm cov subnets, network ports, raws tu qauv thiab MAC chaw nyob.
      Kev ua kom zoo qhia paub mus rau hauv nft_set_pipapo (PIle PAcket POlicies) module, uas daws qhov teeb meem ntawm kev sib piv cov ntsiab lus ntawm pob ntawv nrog arbitrary field state ranges siv nyob rau hauv filtering cov cai, xws li IP thiab network chaw nres nkoj ranges (nft_set_rbtree thiab nft_set_hash manipulate interval matching thiab ncaj qha xav txog cov nqi. ). Lub version ntawm pipapo vectorized siv 256-ntsis AVX2 cov lus qhia ntawm lub kaw lus nrog AMD Epyc 7402 processor tau pom qhov kev ua tau zoo 420% nce thaum txheeb xyuas 30 txhiab cov ntaub ntawv suav nrog kev sib txuas ntawm chaw nres nkoj. Qhov nce thaum muab piv rau kev sib xyaw ua ke ntawm subnet thiab tus lej chaw nres nkoj thaum parsing 1000 cov ntaub ntawv yog 87% rau IPv4 thiab 128% rau IPv6.

    • Ntxiv bareudp module, uas tso cai rau koj mus encapsulate ntau yam L3 raws tu qauv, xws li MPLS, IP thiab NSH, rau hauv UDP qhov.
    • Kev sib koom ua ke ntawm MPTCP (MultiPath TCP) cov khoom, qhov txuas ntxiv ntawm TCP raws tu qauv rau kev teeb tsa kev ua haujlwm ntawm TCP kev sib txuas nrog kev xa cov pob ntawv ib txhij ntawm ntau txoj hauv kev los ntawm kev sib txawv network sib txuas txuas mus rau IP chaw sib txawv, tau txuas ntxiv mus.
    • Ntxiv kev txhawb nqa rau kho vajtse acceleration mechanisms rau encapsulating Ethernet ntas hauv 802.11 (Wi-Fi).
    • Thaum tsiv ib lub cuab yeej los ntawm ib lub network namespace mus rau lwm qhov, cov cai nkag thiab cov tswv cuab ntawm cov ntaub ntawv sib raug zoo hauv sysfs raug kho.
    • Ntxiv lub peev xwm los siv SO_BINDTODEVICE chij rau cov neeg siv tsis yog hauv paus.
    • Qhov thib peb ntawm thaj ua rau thaj tau lees txais, hloov pauv cov khoom siv ethtool los ntawm ioctl() mus rau kev siv netlink interface. Lub interface tshiab ua rau nws yooj yim dua ntxiv rau kev txuas ntxiv, txhim kho kev ua yuam kev, tso cai rau cov ntawv ceeb toom xa thaum lub xeev hloov pauv, ua kom yooj yim ntawm kev sib cuam tshuam ntawm cov ntsiav thiab cov neeg siv qhov chaw, thiab txo cov npe npe uas yuav tsum tau synchronized.
    • Ntxiv lub peev xwm los siv tshwj xeeb kho vajtse accelerators los ua kev sib txuas mus txog qhov haujlwm.
    • Hauv netfilter ntxiv ib tug nuv rau kev sib txuas classifiers ntawm cov pob khoom tawm (egress), uas ua tiav cov kev sib txuas yav dhau los rau cov pob khoom tuaj (ingress).
  • Virtualization thiab Kev Ruaj Ntseg
    • Ntxiv kho vajtse siv ntawm pointer authentication (Pointer Authentication), uas siv cov lus qhia tshwj xeeb ARM64 CPU los tiv thaiv kev tawm tsam uas siv cov txheej txheem rov qab los qhia txog kev ua haujlwm (ROP), uas tus neeg tawm tsam tsis sim tso nws cov cai hauv lub cim xeeb, tab sis ua haujlwm ntawm cov lus qhia ntawm lub tshuab uas twb muaj nyob rau hauv cov tsev qiv ntawv thauj khoom, xaus nrog rau kev tswj rov qab qhia. Kev ruaj ntseg los ntawm kev siv cov kos npe digital los txheeb xyuas qhov chaw nyob xa rov qab ntawm qib kernel. Cov kos npe yog khaws cia rau hauv cov khoom siv sab saum toj uas tsis siv ntawm tus pointer nws tus kheej. Tsis zoo li kev siv software, kev tsim thiab kev txheeb xyuas cov kos npe digital yog ua los ntawm cov lus qhia tshwj xeeb CPU.
    • Ntxiv muaj peev xwm los tiv thaiv ib cheeb tsam nco los ntawm kev sau ntawv siv userfaultfd() system hu, tsim los daws cov nplooj ntawv tsis raug ( nkag mus rau nplooj ntawv nco tsis tau) hauv cov neeg siv chaw. Lub tswv yim yog siv userfaultfd() ob qho tib si txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nkag mus rau cov nplooj ntawv sau npe tiv thaiv thiab hu rau tus neeg tuav ntaub ntawv uas tuaj yeem teb rau cov kev sim sau ntawv no (piv txwv li, los tswj cov kev hloov pauv thaum lub sijhawm tsim cov snapshots ntawm cov txheej txheem khiav, xeev. ntes thaum dumping nco dumps rau disk, siv kev sib koom nco, nrhiav kev hloov hauv nco). Kev ua haujlwm sib npaug siv mpprotect() ua ke nrog SIGSEGV teeb liab handler, tab sis nws ua hauj lwm sai sai.
    • SELinux tau deprecated qhov "checkreqprot" parameter, uas tso cai rau koj mus lov tes taw kev tiv thaiv kev nco thaum ua cov kev cai (tso cai siv cov executable nco chaw, tsis hais cov cai teev nyob rau hauv cov cai). Kernfs symlinks raug tso cai los ua qub txeeg qub teg ntawm lawv niam txiv cov npe.
    • Feem suav nrog tus qauv KRSI, uas tso cai rau koj txuas BPF cov kev pab cuam rau ib qho LSM hooks hauv lub kernel. Qhov kev hloov pauv tso cai rau koj los tsim LSM modules (Linux Security Module) nyob rau hauv daim ntawv ntawm BPF cov kev pab cuam los daws cov teeb meem kev tshuaj xyuas thiab kev tswj xyuas yuav tsum tau ua.
    • Ua tiav Optimizes qhov kev ua tau zoo ntawm /dev/random los ntawm batching CRNG qhov tseem ceeb es tsis txhob hu RNG cov lus qhia ib tus zuj zus. Txhim kho kev ua tau zoo ntawm getrandom thiab / dev / random ntawm ARM64 systems muab RNG cov lus qhia.
    • Kev siv ntawm ib qho elliptic nkhaus Curve25519 hloov rau kev xaiv los ntawm lub tsev qiv ntawv HACL, rau qhov muab lej pov thawj ntawm kev pov thawj kev ntseeg tau.
    • Ntxiv mechanism rau kev qhia txog cov nplooj ntawv dawb nco. Siv cov txheej txheem no, cov kab ke qhua tuaj yeem xa cov ntaub ntawv hais txog nplooj ntawv uas tsis siv rau hauv tus tswv tsev, thiab tus tswv tsev tuaj yeem nqa cov ntaub ntawv nplooj ntawv rov qab.
    • Hauv vfio/pci ntxiv kev txhawb nqa rau SR-IOV (Ib leeg-Root I/O Virtualization).
  • Kev pabcuam nco thiab system
    • Los ntawm 80 mus rau 100 cim nce txwv ntawm kab ntev tshaj plaws hauv cov ntawv sau. Nyob rau tib lub sijhawm, cov neeg tsim khoom tseem pom zoo kom nyob tsis pub dhau 80 cim ib kab, tab sis qhov no tsis yog qhov nyuaj ntxiv lawm. Tsis tas li ntawd, dhau ntawm txoj kab loj txwv tam sim no yuav ua rau muaj kev ceeb toom tsuas yog tias checkpatch khiav nrog '-- nruj' kev xaiv. Qhov kev hloov pauv yuav ua rau nws tsis tuaj yeem cuam tshuam cov neeg tsim khoom los ntawm manipulation nrog rau qhov chaw thiab xav tias dawb dua thaum aligning code, thiab yuav tiv thaiv txoj kab ntau dhau, cuam ​​tshuam kev nkag siab code thiab tshawb nrhiav.
    • Ntxiv kev txhawb nqa rau EFI sib xyaw khau raj hom, uas tso cai rau koj thauj khoom 64-ntsis ntsiav los ntawm 32-ntsis firmware khiav ntawm 64-ntsis CPU yam tsis tas siv lub pob tshwj xeeb.
    • Nyob nrog system rau txheeb xyuas thiab debugging split locks ("cais xauv"), uas tshwm sim thaum nkag mus rau unaligned cov ntaub ntawv nyob rau hauv lub cim xeeb vim lub fact tias thaum ua ib tug atomic qhia, cov ntaub ntawv hla ob CPU cache kab. Qhov kev thaiv zoo li no ua rau muaj kev ua haujlwm tseem ceeb (1000 lub voj voog qeeb dua li kev ua haujlwm atomic ntawm cov ntaub ntawv uas poob rau hauv ib kab cache). Nyob ntawm qhov "split_lock_detect" boot parameter, lub ntsiav tuaj yeem ntes cov xauv li ntawm ya thiab teeb meem ceeb toom lossis xa SIGBUS teeb liab rau daim ntawv thov ua rau lub xauv.
    • Tus neeg ua haujlwm teem sijhawm muab kev taug qab ntawm qhov ntsuas kub ntsuas (Thermal Siab) thiab siv rau hauv tus account overheating thaum muab cov dej num. Siv cov ntaub ntawv txheeb cais, tus tswv xeev thermal tuaj yeem kho qhov siab tshaj plaws CPU zaus thaum overheated, thiab lub sijhawm ua haujlwm tam sim no suav nrog kev txo qis hauv kev suav lub zog vim qhov txo qis hauv zaus thaum teem sijhawm ua haujlwm (yav dhau los, tus teem sijhawm tau teb rau kev hloov pauv. nyob rau hauv ntau zaus nrog rau qee qhov kev ncua sijhawm, rau qee lub sijhawm txiav txim siab raws li qhov kev xav tau ntawm cov khoom siv suav nrog).
    • Cov txheej txheem ua haujlwm suav nrog invariant ntsuas load taug qab, tso cai rau koj kom raug kwv yees lub load, tsis hais txog qhov tam sim no CPU kev khiav hauj lwm zaus. Qhov kev hloov pauv tso cai rau koj los kwv yees tus cwj pwm ntawm kev ua haujlwm kom raug raws li cov xwm txheej ntawm kev hloov pauv hauv qhov hluav taws xob thiab CPU zaus. Piv txwv li, ib txoj haujlwm uas siv 1/3 ntawm CPU cov peev txheej ntawm 1000 MHz yuav haus 2/3 ntawm cov peev txheej thaum qhov zaus poob mus rau 500 MHz, uas yav dhau los tsim qhov kev xav tsis tseeb tias nws tau khiav ntawm lub peev xwm (piv txwv li cov haujlwm tshwm sim. loj dua rau tus teem sijhawm tsuas yog txo qhov zaus, uas ua rau muaj kev txiav txim siab tsis raug nyob rau hauv schedutil cpufreq tus tswv xeev).
    • Tus tsav tsheb Intel P-xeev, uas yog lub luag haujlwm rau xaiv hom kev ua tau zoo, tau hloov mus siv teem sijhawm.
    • Lub peev xwm los siv BPF subsystem thaum lub kernel khiav hauv lub sijhawm tiag tiag (PREEMPT_RT) tau ua tiav. Yav dhau los, thaum PREEMPT_RT tau qhib, BPF yuav tsum raug kaw.
    • Ib hom tshiab ntawm BPF program tau raug ntxiv - BPF_MODIFY_RETURN, uas tuaj yeem txuas rau lub luag haujlwm hauv cov ntsiav thiab hloov tus nqi rov qab los ntawm txoj haujlwm no.
    • Ntxiv sijhawm Siv lub clone3() system hu los tsim cov txheej txheem hauv cgroup uas txawv ntawm niam txiv cgroup, tso cai rau niam txiv cov txheej txheem siv cov kev txwv thiab ua kom cov accounting tam sim tom qab spawning txheej txheem tshiab lossis xov. Piv txwv li, tus thawj tswj kev pabcuam tuaj yeem faib ncaj qha cov kev pabcuam tshiab rau cais cgroups, thiab cov txheej txheem tshiab, thaum muab tso rau hauv "frozen" cgroups, yuav tsum nres tam sim ntawd.
    • hauv Kbuild ntxiv kev txhawb nqa rau ib puag ncig hloov pauv "LLVM = 1" hloov mus rau Clang / LLVM cov cuab yeej thaum tsim lub kernel. Cov kev cai rau binutils version tau raug tsa (2.23).
    • Ib ntu /sys/kernel/debug/kunit/ tau ntxiv rau debugfs nrog cov txiaj ntsig ntawm kunit xeem.
    • Ntxiv kernel khau raj parameter pm_debug_messages (analogous rau /sys/power/pm_debug_messages), uas tso cai rau cov zis ntawm cov ntaub ntawv debug txog kev khiav hauj lwm ntawm lub hwj chim tswj system (pab tau thaum debugging teeb meem nrog hibernation thiab standby hom).
    • Mus rau asynchronous I / O interface io_ kev txhawb ntxiv sib txuas ( ) ΠΈ atomic buffer xaiv.
    • Txhim kho cgroup profileing siv perf toolkit. Yav dhau los, perf tsuas tuaj yeem ua cov haujlwm hauv ib pawg cgroup tshwj xeeb thiab tsis tuaj yeem paub tias cgroup tus qauv tam sim no koom nrog. perf tam sim no retrieves cgroup cov ntaub ntawv rau txhua tus qauv, tso cai rau koj mus profile ntau tshaj ib cgroup thiab siv sorting los ntawm
      cgroup hauv cov ntawv ceeb toom.

    • cgroupfs, pseudo-FS rau kev tswj hwm cgroups, tau ntxiv kev txhawb nqa rau cov yam ntxwv txuas ntxiv (xattrs), uas, piv txwv li, koj tuaj yeem tso cov ntaub ntawv ntxiv rau cov neeg siv hauv chaw siv.
    • Hauv cgroup memory controller ntxivthiab kev txhawb nqa kev tiv thaiv recursive ntawm "memory.low" tus nqi, uas tswj qhov tsawg kawg nkaus ntawm RAM muab rau cov tswv cuab hauv pawg. Thaum mounting cgroup hierarchy nrog rau qhov "memory_recursiveprot" kev xaiv, tus nqi ntawm "memory.low" uas yog teem rau lub qis nodes yuav cia li muab faib rau tag nrho cov me nyuam nodes.
    • Ntxiv Uacce (Unified/User-space-access-intended Accelerator Framework) lub moj khaum rau kev sib koom virtual chaw nyob (SVA, Sib Koom Virtual Chaw Nyob) ntawm CPU thiab cov khoom siv peripheral, tso cai rau cov cuab yeej kho vajtse kom nkag mus rau cov ntaub ntawv hauv lub ntsiab CPU.
  • Hardware architectures
    • Rau ARM architecture, muaj peev xwm ua kom kub-nqi nco tau siv.
    • Rau RISC-V architecture, kev txhawb nqa kub ntsaws thiab tshem tawm ntawm CPUs (CPU hotplug) tau ntxiv. Rau 32-ntsis RISC-V, eBPF JIT yog siv.
    • Lub peev xwm los siv 32-ntsis ARM systems los khiav KVM qhua ib puag ncig tau raug tshem tawm.
    • Tshem tawm qhov "dummy" NUMA kev siv rau s390 architecture, uas tsis muaj kev siv tau pom los ua kom tau txais kev txhim kho kev ua haujlwm.
    • Rau ARM64, ntxiv kev txhawb nqa rau AMU (Activity Monitors Unit) txuas ntxiv, txhais hauv ARMv8.4 thiab muab cov ntsuas kev ua tau zoo uas tau siv los suav cov kev hloov kho zaus hauv lub sijhawm ua haujlwm.
  • Khoom siv
    • Ntxiv kev txhawb nqa rau vDPA cov khoom siv uas siv cov ntaub ntawv sib pauv channel uas ua raws li cov lus qhia tshwj xeeb. vDPA cov khoom siv tuaj yeem yog cov cuab yeej txuas nrog lub cev lossis software emulated virtual li.
    • Hauv GPIO subsystem tshwm sim ib qho tshiab ioctl() cov lus txib rau kev saib xyuas cov kev hloov pauv, tso cai rau koj qhia cov txheej txheem txog kev hloov pauv hauv lub xeev ntawm ib kab GPIO. Ua piv txwv ntawm kev siv cov lus txib tshiab npaj siab gpio-watch kev siv hluav taws xob.
    • Hauv i915 DRM tsav tsheb rau Intel video phaib suav nrog Kev them nyiaj yug pib rau Tigerlake ("Gen12") chips thiab ntxiv kev txhawb nqa thawj zaug rau OLED backlight tswj. Txhim kho kev txhawb nqa rau Ice Lake, Elkhart Lake, Baytrail thiab Haswell chips.
    • Hauv tus tsav tsheb amdgpu ntxiv muaj peev xwm thauj khoom firmware rau hauv USBC nti rau ASIC. Txhim kho kev txhawb nqa rau AMD Ryzen 4000 "Renoir" chips. Tam sim no muaj kev txhawb nqa rau kev tswj OLED panels. Muab tso saib ntawm firmware xwm txheej hauv kev debugfs.
    • Lub peev xwm siv OpenGL 4 hauv cov tshuab qhua tau ntxiv rau vmwgfx DRM tsav tsheb rau VMware virtualization systems (yav dhau los OpenGL 3.3 tau txais kev txhawb nqa).
    • Ntxiv DRM tshiab tsav tsheb tidss rau TI Keystone platform zaub system.
    • Ntxiv cov tsav tsheb rau LCD panels: Feixin K101 IM2BA02, Samsung s6e88a0-ams452ef01, Novatek NT35510, Elida KD35T133, EDT, NewEast Optoelectronics WJFH116008A, Rocktech.
    • Rau lub zog tswj system ntxiv kev txhawb nqa rau Atom-based Intel Jasper Lake (JSL) platform.
    • Ntxiv kev txhawb nqa rau Pinebook Pro laptop raws li Rockchip RK3399, Pine64 PineTab ntsiav tshuaj thiab smartphone PinePhone Raws li Allwinner A64.
    • Ntxiv kev txhawb nqa rau cov suab codecs tshiab thiab chips:
      Amlogic AIU, Amlogic T9015, Texas Instruments TLV320ADCX140, Realtek RT5682, ALC245, Broadcom BCM63XX I2S, Maxim MAX98360A, Presonus Studio 1810c, MOTU MicroBook IIc.

    • Ntxiv kev txhawb nqa rau ARM boards thiab platforms Qualcomm Snapdragon 865 (SM8250), IPQ6018, NXP i.MX8M Plus, Kontron β€œsl28”, 11 i.MX6 TechNexion Pico pawg thawj coj saib, peb txoj kev xaiv Toradex Colibri tshiab, Samsung S7710 Galaxy Xcover 2 raws li ST -Ericsson u8500, DH Electronics DHCOM SoM thiab PDK2, Renesas M3ULCB, Hoperun HiHope, Linutronix Testbox v2, PocketBook Kov Lux 3.

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