{"id":105240,"date":"2022-10-03T09:36:37","date_gmt":"2022-10-03T07:36:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-yadra-linux-6-0"},"modified":"2022-10-03T09:36:37","modified_gmt":"2022-10-03T07:36:37","slug":"reliz-yadra-linux-6-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/reliz-yadra-linux-6-0","title":{"rendered":"Uvoln\u011bn\u00ed j\u00e1dra Linux 6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dvou m\u011bs\u00edc\u00edch v\u00fdvoje p\u0159edstavil Linus Torvalds vyd\u00e1n\u00ed j\u00e1dra Linux 6.0. Zm\u011bna \u010d\u00edsla verze byla provedena z estetick\u00fdch d\u016fvod\u016f a jde o form\u00e1ln\u00ed krok, kter\u00fd odstra\u0148uje nepohodl\u00ed z nahromad\u011bn\u00ed velk\u00e9ho po\u010dtu vyd\u00e1n\u00ed v s\u00e9rii (Linus si z t\u00e9to zm\u011bny \u010d\u00edsla v\u011btve je\u0161t\u011b tropil \u017eerty, \u017ee d\u016fvodem je, \u017ee mu doch\u00e1zej\u00ed prsty na rukou a nohou pro po\u010d\u00edt\u00e1n\u00ed verz\u00ed). Mezi nejv\u00fdrazn\u011bj\u0161\u00ed zm\u011bny pat\u0159\u00ed: podpora asynchronn\u00edho vyrovn\u00e1vac\u00edho z\u00e1pisu v XFS, blokov\u00fd ovlada\u010d ublk, optimalizace pl\u00e1nova\u010de \u00faloh, mechanismus ov\u011b\u0159ov\u00e1n\u00ed spr\u00e1vn\u00e9ho fungov\u00e1n\u00ed j\u00e1dra a podpora blokov\u00e9ho \u0161ifrov\u00e1n\u00ed ARIA.          <\/p>\n<p>Hlavn\u00ed novinky v j\u00e1d\u0159e 6.0:  <\/p>\n<ul>\n<li class=\"l\"> <b>Diskov\u00fd subsyst\u00e9m, vstup\/v\u00fdstup a souborov\u00e9 syst\u00e9my<\/b>\n<ul>\n<li class=\"l\"> Do souborov\u00e9ho syst\u00e9mu XFS byla p\u0159id\u00e1na podpora asynchronn\u00edho vyrovn\u00e1vac\u00edho z\u00e1pisu pomoc\u00ed mechanismu io_uring. V\u00fdkonov\u00e9 testy proveden\u00e9 pomoc\u00ed n\u00e1stroje fio (1 vl\u00e1kno, velikost bloku 4 kB, 600 sekund, sekven\u010dn\u00ed z\u00e1pis) ukazuj\u00ed zv\u00fd\u0161en\u00ed po\u010dtu operac\u00ed vstupu\/v\u00fdstupu za sekundu (IOPS) z 77k na 209k, p\u0159enosov\u00e9 rychlosti \u2013 ze 314 MB\/s na 854 MB\/s, a sn\u00ed\u017een\u00ed latence z 9600 ns na 120 ns (80kr\u00e1t).\n<li class=\"l\"> V souborov\u00e9m syst\u00e9mu Btrfs byla implementov\u00e1na druh\u00e1 verze protokolu pro p\u0159\u00edkaz \u201esend\u201c, kter\u00e1 poskytuje podporu dodate\u010dn\u00fdch metadat, odes\u00edl\u00e1n\u00ed dat ve v\u011bt\u0161\u00edch bloc\u00edch (v\u00edce ne\u017e 64K) a p\u0159enos rozsah\u016f ve zhu\u0161t\u011bn\u00e9 podob\u011b. V\u00fdkon operac\u00ed p\u0159\u00edm\u00e9ho \u010dten\u00ed (direct read) byl v\u00fdrazn\u011b zlep\u0161en (a\u017e 3kr\u00e1t) d\u00edky simult\u00e1nn\u00edmu \u010dten\u00ed a\u017e 256 sektor\u016f. Byly sn\u00ed\u017eeny konflikty z\u00e1mk\u016f a urychlena kontrola metadat d\u00edky zmen\u0161en\u00ed vyhrazen\u00fdch metadat pro odlo\u017een\u00e9 prvky.\n<li class=\"l\"> Do souborov\u00e9ho syst\u00e9mu ext4 byly p\u0159id\u00e1ny nov\u00e9 ioctl operace EXT4_IOC_GETFSUUID a EXT4_IC_SETFSUUID pro extrakci nebo nastaven\u00ed UUID identifik\u00e1toru, ulo\u017een\u00e9ho v superbloku.\n<li class=\"l\"> V souborov\u00e9m syst\u00e9mu F2FS byl navr\u017een re\u017eim n\u00edzk\u00e9 spot\u0159eby pam\u011bti, kter\u00fd optimalizuje provoz na za\u0159\u00edzen\u00edch s mal\u00fdm objemem RAM a umo\u017e\u0148uje sn\u00ed\u017eit spot\u0159ebu pam\u011bti na \u00fakor sn\u00ed\u017een\u00ed v\u00fdkonu.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora ov\u011b\u0159ov\u00e1n\u00ed disku NVMe.\n<li class=\"l\"> V <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-newyork\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2725\">serveru<\/a> V NFSv4 byl implementov\u00e1n limit pro po\u010det aktivn\u00edch klient\u016f, kter\u00fd se nastavuje na 1024 povolen\u00fdch klient\u016f na ka\u017ed\u00fd gigabyte opera\u010dn\u00ed pam\u011bti v syst\u00e9mu.\n<li class=\"l\"> V implementaci CIFS klienta byla zv\u00fd\u0161ena v\u00fdkonnost v re\u017eimu v\u00edcen\u00e1sobn\u00e9ho p\u0159enosu.\n<li class=\"l\"> Do subsyst\u00e9mu sledov\u00e1n\u00ed ud\u00e1lost\u00ed v FS fanotify byl p\u0159id\u00e1n nov\u00fd p\u0159\u00edznak FAN_MARK_IGNORE pro ignorov\u00e1n\u00ed specifick\u00fdch ud\u00e1lost\u00ed.\n<li class=\"l\"> Ve FS Overlayfs, p\u0159i mont\u00e1\u017ei nad FS s mapov\u00e1n\u00edm identifik\u00e1tor\u016f u\u017eivatel\u016f, byla zaji\u0161t\u011bna spr\u00e1vn\u00e1 podpora POSIX-kompatibiln\u00edch seznam\u016f \u0159\u00edzen\u00ed p\u0159\u00edstupu.\n<li class=\"l\"> Byl p\u0159id\u00e1n blokov\u00fd ovlada\u010d ublk, kter\u00fd p\u0159esunuje specifickou logiku na stranu pozad\u00ed procesu ve prostoru u\u017eivatele a vyu\u017e\u00edv\u00e1 subsyst\u00e9m io_uring.                              <\/ul>\n<li class=\"l\"> <b>Pam\u011b\u0165 a syst\u00e9mov\u00e9 slu\u017eby<\/b>\n<ul>\n<li class=\"l\"> Do subsyst\u00e9mu DAMON (Data Access MONitor) byly p\u0159id\u00e1ny nov\u00e9 funkce, kter\u00e9 umo\u017e\u0148uj\u00ed nejen sledovat p\u0159\u00edstup proces\u016f k opera\u010dn\u00ed pam\u011bti z u\u017eivatelsk\u00e9ho prostoru, ale tak\u00e9 ovliv\u0148ovat spr\u00e1vu pam\u011bti. Konkr\u00e9tn\u011b byl navr\u017een nov\u00fd modul \u201eLRU_SORT\u201c, kter\u00fd zaji\u0161\u0165uje p\u0159eorganizaci seznam\u016f LRU (Least Recently Used) pro zv\u00fd\u0161en\u00ed priorit ur\u010dit\u00fdch str\u00e1nek pam\u011bti.\n<li class=\"l\"> Byla implementov\u00e1na mo\u017enost vytv\u00e1\u0159en\u00ed nov\u00fdch pam\u011b\u0165ov\u00fdch region\u016f pomoc\u00ed schopnost\u00ed sb\u011brnice CXL (Compute Express Link), pou\u017e\u00edvan\u00e9 pro zaji\u0161t\u011bn\u00ed vysokorychlostn\u00ed komunikace CPU s pam\u011b\u0165ov\u00fdmi za\u0159\u00edzen\u00edmi. CXL umo\u017e\u0148uje p\u0159ipojov\u00e1n\u00ed nov\u00fdch pam\u011b\u0165ov\u00fdch region\u016f poskytovan\u00fdch extern\u00edmi pam\u011b\u0165ov\u00fdmi za\u0159\u00edzen\u00edmi a jejich pou\u017eit\u00ed jako dodate\u010dn\u00fdch zdroj\u016f fyzick\u00e9ho adresn\u00edho prostoru pro roz\u0161\u00ed\u0159en\u00ed syst\u00e9mov\u00e9 opera\u010dn\u00ed pam\u011bti (DDR) nebo trval\u00e9 pam\u011bti (PMEM).\n<li class=\"l\"> Byly vy\u0159e\u0161eny probl\u00e9my s v\u00fdkonem syst\u00e9m\u016f na procesorech AMD Zen, zp\u016fsoben\u00e9 k\u00f3dem p\u0159idan\u00fdm p\u0159ed 20 lety pro obch\u00e1zen\u00ed hardwarov\u00e9ho probl\u00e9mu v n\u011bkter\u00fdch \u010dipsetech (byla p\u0159id\u00e1na dodate\u010dn\u00e1 instrukce WAIT, kter\u00e1 zpomalovala procesor, aby \u010dipset stihl p\u0159ej\u00edt do stavu ne\u010dinnosti). Zm\u011bna vedla k poklesu v\u00fdkonu p\u0159i z\u00e1t\u011b\u017e\u00edch, kdy se \u010dasto st\u0159\u00eddaj\u00ed stavy ne\u010dinnosti (idle) a aktivity (busy). Nap\u0159\u00edklad po zru\u0161en\u00ed obch\u00e1zej\u00edc\u00edho man\u00e9vru se pr\u016fm\u011brn\u00e9 ukazatele testu tbench zv\u00fd\u0161ily z 32191 MB\/s na 33805 MB\/s.\n<li class=\"l\"> Z pl\u00e1nova\u010de \u00faloh byl odstran\u011bn k\u00f3d s heuristikou, kter\u00fd zaji\u0161\u0165oval migraci proces\u016f na m\u00e9n\u011b vyt\u00ed\u017een\u00e9 CPU s ohledem na p\u0159edpokl\u00e1dan\u00fd zisk v energetick\u00e9 spot\u0159eb\u011b. V\u00fdvoj\u00e1\u0159i dosp\u011bli k z\u00e1v\u011bru, \u017ee heuristika nep\u0159in\u00e1\u0161\u00ed pot\u0159ebn\u00fd u\u017eitek a je jednodu\u0161\u0161\u00ed procesy p\u0159esouvat bez dal\u0161\u00edch hodnocen\u00ed poka\u017ed\u00e9, kdy\u017e takov\u00fd p\u0159esun m\u016f\u017ee potenci\u00e1ln\u011b v\u00e9st ke sn\u00ed\u017een\u00ed spot\u0159eby energie (nap\u0159\u00edklad kdy\u017e c\u00edlov\u00e9 CPU je na \u00farovni s ni\u017e\u0161\u00ed spot\u0159ebou energie). Vypnut\u00ed heuristiky vedlo ke sn\u00ed\u017een\u00ed energetick\u00e9 spot\u0159eby p\u0159i vykon\u00e1v\u00e1n\u00ed intenzivn\u00edch \u00faloh, nap\u0159\u00edklad v testu s dek\u00f3dov\u00e1n\u00edm videa se spot\u0159eba sn\u00ed\u017eila o 5,6%.\n<li class=\"l\"> Byla provedena optimalizace rozd\u011blen\u00ed \u00faloh mezi j\u00e1dra CPU na velk\u00fdch syst\u00e9mech, kter\u00e1 umo\u017enila zv\u00fd\u0161en\u00ed v\u00fdkonu p\u0159i n\u011bkter\u00fdch typech z\u00e1t\u011b\u017ee.\n<li class=\"l\"> V rozhran\u00ed asynchronn\u00edho vstupu\/v\u00fdstupu io_uring byl uveden nov\u00fd p\u0159\u00edznak IORING_RECV_MULTISHOT, kter\u00fd umo\u017e\u0148uje pou\u017e\u00edvat re\u017eim \u201emulti-shot\u201c s system call recv() pro prov\u00e1d\u011bn\u00ed n\u011bkolika operac\u00ed \u010dten\u00ed z jednoho s\u00ed\u0165ov\u00e9ho socketu najednou. V io_uring byla tak\u00e9 implementov\u00e1na podpora s\u00ed\u0165ov\u00e9ho p\u0159enosu bez mezipam\u011bti (zero-copy).\n<li class=\"l\"> Byla implementov\u00e1na mo\u017enost p\u0159evodu program\u016f BPF, p\u0159ipojen\u00fdch k uprobe, do stavu sp\u00e1nku. Do BPF byl tak\u00e9 p\u0159id\u00e1n nov\u00fd iter\u00e1tor ksym pro pr\u00e1ci s tabulkami symbol\u016f j\u00e1dra.\n<li class=\"l\"> Bylo odstran\u011bno zastaral\u00e9 rozhran\u00ed \u201eefivars\u201c v sysfs, ur\u010den\u00e9 pro p\u0159\u00edstup k zav\u00e1d\u011bc\u00edm prom\u011bnn\u00fdm UEFI (pro p\u0159\u00edstup k dat\u016fm EFI se nyn\u00ed v\u0161ude pou\u017e\u00edv\u00e1 virtu\u00e1ln\u00ed FS efivarfs).\n<li class=\"l\"> V n\u00e1stroji perf byly implementov\u00e1ny nov\u00e9 zpr\u00e1vy pro anal\u00fdzu blokovac\u00edch konflikt\u016f a \u010dasu, kter\u00fd CPU str\u00e1v\u00ed prov\u00e1d\u011bn\u00edm komponent j\u00e1dra.\n<li class=\"l\"> Byla odstran\u011bna volba CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3, kter\u00e1 umo\u017e\u0148ovala kompilaci j\u00e1dra v re\u017eimu optimalizace \u201e-O3\u201c. Bylo poznamen\u00e1no, \u017ee experimenty s re\u017eimy optimalizace mohou b\u00fdt prov\u00e1d\u011bny p\u0159ed\u00e1n\u00edm p\u0159\u00edznak\u016f p\u0159i kompilaci (\u201emake KCFLAGS=-O3\u201c), a aby bylo mo\u017en\u00e9 p\u0159idat nastaven\u00ed do Kconfig, je t\u0159eba zajistit opakovateln\u00e9 profilov\u00e1n\u00ed v\u00fdkonu, kter\u00e9 ukazuje, \u017ee nasazen\u00ed smy\u010dek v re\u017eimu \u201e-O3\u201c p\u0159in\u00e1\u0161\u00ed zisk v porovn\u00e1n\u00ed s \u00farovn\u00ed optimalizace \u201e-O2\u201c.\n<li class=\"l\"> Byl p\u0159id\u00e1n rozhran\u00ed debugfs pro z\u00edsk\u00e1v\u00e1n\u00ed informac\u00ed o \u010dinnosti jednotliv\u00fdch \u201ememory shrinker\u201c (zpracovatel\u016f, kter\u00e9 se aktivuj\u00ed p\u0159i nedostatku pam\u011bti a prov\u00e1d\u011bj\u00ed balen\u00ed datov\u00fdch struktur j\u00e1dra za \u00fa\u010delem sn\u00ed\u017een\u00ed jejich spot\u0159eby pam\u011bti).\n<li class=\"l\"> Pro architektury OpenRISC a LoongArch byla implementov\u00e1na podpora sb\u011brnice PCI.\n<li class=\"l\"> Pro architekturu RISC-V byla implementov\u00e1na roz\u0161\u00ed\u0159en\u00ed \u201eZicbom\u201c pro \u0159\u00edzen\u00ed za\u0159\u00edzen\u00ed s DMA, kter\u00e1 nejsou v souladu s cache (non-cache-coherent).              <\/ul>\n<li class=\"l\"> <b>Virtualizace a bezpe\u010dnost<\/b>\n<ul>\n<li class=\"l\"> Byl p\u0159id\u00e1n mechanismus ov\u011b\u0159ov\u00e1n\u00ed RV (Runtime Verification) pro kontrolu spr\u00e1vnosti fungov\u00e1n\u00ed v r\u00e1mci vysoce spolehliv\u00fdch syst\u00e9m\u016f, zaji\u0161\u0165uj\u00edc\u00ed absenci selh\u00e1n\u00ed. Ov\u011b\u0159en\u00ed se prov\u00e1d\u00ed za b\u011bhu p\u0159ipojen\u00edm zpracovatel\u016f k sledovac\u00edm bod\u016fm, kter\u00e9 porovn\u00e1vaj\u00ed skute\u010dn\u00fd pr\u016fb\u011bh prov\u00e1d\u011bn\u00ed s p\u0159edem definovan\u00fdm referen\u010dn\u00edm deterministick\u00fdm modelem automatu ur\u010duj\u00edc\u00edm o\u010dek\u00e1van\u00e9 chov\u00e1n\u00ed syst\u00e9mu. Ov\u011b\u0159en\u00ed s modelem b\u011bhem b\u011bhu je prezentov\u00e1no jako leh\u010d\u00ed a jednodu\u0161\u0161\u00ed zp\u016fsob potvrzen\u00ed spr\u00e1vnosti prov\u00e1d\u011bn\u00ed v kritick\u00fdch syst\u00e9mech, kter\u00fd dopl\u0148uje klasick\u00e9 metody ov\u011b\u0159ov\u00e1n\u00ed spolehlivosti. Mezi v\u00fdhody RV pat\u0159\u00ed mo\u017enost zajistit p\u0159\u00edsn\u00e9 ov\u011b\u0159en\u00ed bez nutnosti samostatn\u00e9ho proveden\u00ed cel\u00e9ho syst\u00e9mu v modelovac\u00edm jazyce a flexibiln\u00ed reakce na ne\u010dekan\u00e9 ud\u00e1losti.\n<li class=\"l\"> Byly integrov\u00e1ny komponenty j\u00e1dra pro \u0159\u00edzen\u00ed enclaves na b\u00e1zi technologie Intel SGX2 (Software Guard eXtensions), kter\u00e1 umo\u017e\u0148uje aplikac\u00edm vykon\u00e1vat k\u00f3d v izolovan\u00fdch \u0161ifrovan\u00fdch oblastech pam\u011bti, k nim\u017e m\u00e1 zbytek syst\u00e9mu omezen\u00fd p\u0159\u00edstup. Technologie Intel SGX2 je podporov\u00e1na v \u010dipech Intel Ice Lake a Gemini Lake a li\u0161\u00ed se od Intel SGX1 dodate\u010dn\u00fdmi instrukcemi pro dynamick\u00e9 \u0159\u00edzen\u00ed pam\u011bti enclaves.\n<li class=\"l\"> Pro architekturu x86 byla implementov\u00e1na mo\u017enost p\u0159ed\u00e1n\u00ed sem\u00ednka pro gener\u00e1tor pseudon\u00e1hodn\u00fdch \u010d\u00edsel prost\u0159ednictv\u00edm nastaven\u00ed bootloaderu.\n<li class=\"l\"> Do LSM modulu SafeSetID byla p\u0159id\u00e1na mo\u017enost \u0159\u00edzen\u00ed zm\u011bn prov\u00e1d\u011bn\u00fdch prost\u0159ednictv\u00edm vol\u00e1n\u00ed setgroups(). SafeSetID umo\u017e\u0148uje syst\u00e9mov\u00fdm slu\u017eb\u00e1m bezpe\u010dn\u011b spravovat u\u017eivatele bez zvy\u0161ov\u00e1n\u00ed opr\u00e1vn\u011bn\u00ed (CAP_SETUID) a bez z\u00edsk\u00e1n\u00ed pr\u00e1v u\u017eivatele root.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora blokov\u00e9ho \u0161ifru ARIA.\n<li class=\"l\"> V modulu pro spr\u00e1vu bezpe\u010dnosti zalo\u017een\u00e9m na BPF byla zavedena mo\u017enost p\u0159ipojen\u00ed zpracovatel\u016f k jednotliv\u00fdm proces\u016fm a skupin\u00e1m proces\u016f (cgroup).\n<li class=\"l\"> Byl p\u0159id\u00e1n mechanismus s implementac\u00ed watchdog pro detekci vis\u00edc\u00edch hostitelsk\u00fdch syst\u00e9m\u016f na z\u00e1klad\u011b monitorov\u00e1n\u00ed aktivity vCPU.                    <\/ul>\n<li class=\"l\"> <b>S\u00ed\u0165ov\u00e1 subsyst\u00e9m<\/b>\n<ul>\n<li class=\"l\"> Do subsyst\u00e9mu BPF byly p\u0159id\u00e1ny obslu\u017en\u00e9 rutiny pro generov\u00e1n\u00ed a ov\u011b\u0159ov\u00e1n\u00ed SYN cookies. Tak\u00e9 byla p\u0159id\u00e1na sada funkc\u00ed (kfunc) pro p\u0159\u00edstup a zm\u011bnu stavu spojen\u00ed.\n<li class=\"l\"> Do bezdr\u00e1tov\u00e9ho z\u00e1sobn\u00edku byla p\u0159id\u00e1na podpora mechanismu MLO (Multi-Link Operation), definovan\u00e9ho ve specifikaci WiFi 7, kter\u00fd umo\u017e\u0148uje za\u0159\u00edzen\u00edm sou\u010dasn\u011b p\u0159ij\u00edmat a odes\u00edlat data pomoc\u00ed r\u016fzn\u00fdch frekven\u010dn\u00edch p\u00e1sem a kan\u00e1l\u016f, nap\u0159\u00edklad pro sou\u010dasn\u00e9 nastaven\u00ed n\u011bkolika komunika\u010dn\u00edch kan\u00e1l\u016f mezi p\u0159\u00edstupov\u00fdm bodem a klientsk\u00fdm za\u0159\u00edzen\u00edm.\n<li class=\"l\"> Byla zv\u00fd\u0161ena v\u00fdkonnost implementace protokolu TLS zabudovan\u00e9ho v j\u00e1d\u0159e.\n<li class=\"l\"> Byl p\u0159id\u00e1n parametr p\u0159\u00edkazov\u00e9ho \u0159\u00e1dku j\u00e1dra \u201ehostname=\u201c, kter\u00fd umo\u017e\u0148uje nastavit n\u00e1zev hostitele v ran\u00e9 f\u00e1zi spu\u0161t\u011bn\u00ed, je\u0161t\u011b p\u0159edt\u00edm, ne\u017e jsou spu\u0161t\u011bny komponenty u\u017eivatelsk\u00e9ho prostoru.                        <\/ul>\n<li class=\"l\"> <b>Hardware<\/b>\n<ul>\n<li class=\"l\"> V ovlada\u010di i915 (Intel) byla zaji\u0161t\u011bna podpora diskr\u00e9tn\u00edch grafick\u00fdch karet Intel Arc (DG2\/Alchemist) A750 a A770. Byla navr\u017eena po\u010d\u00e1te\u010dn\u00ed implementace podpory GPU Intel Ponte Vecchio (Xe-HPC) a Meteor Lake. Pokra\u010duje pr\u00e1ce na podpo\u0159e platformy Intel Raptor Lake.\n<li class=\"l\"> V ovlada\u010di amdgpu pokra\u010duje pr\u00e1ce na zaji\u0161t\u011bn\u00ed podpory platforem AMD RDNA3 (RX 7000) a CDNA (Instinct).\n<li class=\"l\"> V ovlada\u010di Nouveau byl p\u0159epracov\u00e1n k\u00f3d podpory displejov\u00fdch engine\u016f GPU NVIDIA nv50.\n<li class=\"l\"> Byl p\u0159id\u00e1n nov\u00fd DRM ovlada\u010d logicvc pro obrazovky LogiCVC.\n<li class=\"l\"> V ovlada\u010di v3d (pro GPU Broadcom Video Core) byla implementov\u00e1na podpora desek Raspberry Pi 4.\n<li class=\"l\"> V ovlada\u010di msm byla p\u0159id\u00e1na podpora GPU Qualcomm Adreno 619.\n<li class=\"l\"> V ovlada\u010di Panfrost byla p\u0159id\u00e1na podpora GPU ARM Mali Valhall.\n<li class=\"l\"> Byla p\u0159id\u00e1na po\u010d\u00e1te\u010dn\u00ed podpora procesor\u016f Qualcomm Snapdragon 8cx Gen3, pou\u017e\u00edvan\u00fdch v notebooc\u00edch Lenovo ThinkPad X13s.\n<li class=\"l\"> Byly p\u0159id\u00e1ny zvukov\u00e9 ovlada\u010de pro platformy AMD Raphael (Ryzen 7000), AMD Jadeite, Intel Meteor Lake a Mediatek MT8186.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora akceler\u00e1tor\u016f syst\u00e9m\u016f strojov\u00e9ho u\u010den\u00ed Intel Habana Gaudi 2.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora ARM SoC Allwinner H616, NXP i.MX93, Sunplus SP7021, Nuvoton NPCM8XX, Marvell Prestera 98DX2530, Google Chameleon v3.                <\/ul>\n<\/ul>\n<p>Sou\u010dasn\u011b latinskoamerick\u00fd Fond svobodn\u00e9ho softwaru vytvo\u0159il verzi zcela svobodn\u00e9ho j\u00e1dra 6.0 \u2014 Linux-libre 6.0-gnu, o\u010di\u0161t\u011bn\u00e9ho od prvk\u016f firmwaru a ovlada\u010d\u016f obsahuj\u00edc\u00edch nesvobodn\u00e9 komponenty nebo \u010d\u00e1sti k\u00f3du, jejich\u017e pou\u017eit\u00ed je omezeno v\u00fdrobcem. V nov\u00e9 verzi bylo zak\u00e1z\u00e1no pou\u017e\u00edv\u00e1n\u00ed blob\u016f v ovlada\u010di CS35L41 HD-audio a ovlada\u010di s rozhran\u00edm UCSI pro mikro\u0159adi\u010de STM32G0. Bylo provedeno \u010di\u0161t\u011bn\u00ed dts soubor\u016f pro \u010dipy Qualcomm a MediaTek. Byl p\u0159epracov\u00e1n proces zak\u00e1z\u00e1n\u00ed blob\u016f v ovlada\u010di MediaTek MT76. Byla aktualizov\u00e1na k\u00f3d pro \u010di\u0161t\u011bn\u00ed blob\u016f v ovlada\u010d\u00edch a subsyst\u00e9mech AMDGPU, Adreno, Tegra VIC, Netronome NFP a Habanalabs Gaudi2. Bylo ukon\u010deno \u010di\u0161t\u011bn\u00ed ovlada\u010de VXGE, kter\u00fd byl odstran\u011bn z j\u00e1dra.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57861\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0440\u0435\u043b\u0438\u0437 \u044f\u0434\u0440\u0430 Linux 6.0. \u0417\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u043e \u0438\u0437 \u044d\u0441\u0442\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u043e\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u0438 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0444\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u044b\u043c \u0448\u0430\u0433\u043e\u043c, \u0441\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u043c \u0434\u0438\u0441\u043a\u043e\u043c\u0444\u043e\u0440\u0442 \u0438\u0437-\u0437\u0430 \u043d\u0430\u043a\u043e\u043f\u043b\u0435\u043d\u0438\u044f \u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 \u0432 \u0441\u0435\u0440\u0438\u0438 (\u041b\u0438\u043d\u0443\u0441 \u043f\u043e\u0448\u0443\u0442\u0438\u043b, \u0447\u0442\u043e \u043f\u0440\u0438\u0447\u0438\u043d\u0430 \u0441\u043c\u0435\u043d\u044b \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0442\u043a\u0438 \u0441\u043a\u043e\u0440\u0435\u0435 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0443 \u043d\u0435\u0433\u043e \u0437\u0430\u043a\u0430\u043d\u0447\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043f\u0430\u043b\u044c\u0446\u044b \u043d\u0430 \u0440\u0443\u043a\u0430\u0445 \u0438 \u043d\u043e\u0433\u0430\u0445 \u0441\u0447\u0438\u0442\u0430\u0442\u044c \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0439). \u0421\u0440\u0435\u0434\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105240","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 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