{"id":119708,"date":"2024-09-05T15:43:01","date_gmt":"2024-09-05T13:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-emulyator-qemu-9-1-0"},"modified":"2024-09-05T15:43:01","modified_gmt":"2024-09-05T13:43:01","slug":"dostupen-emulyator-qemu-9-1-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/dostupen-emulyator-qemu-9-1-0","title":{"rendered":"Emulaator QEMU 9.1.0 on saadaval","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>QEMU 9.1 projekti uus v\u00e4ljaanne on avalikustatud. QEMU emulaator v\u00f5imaldab k\u00e4ivitada programm, mis on loodud \u00fchel riistvaraplatvormil, t\u00e4iesti erineva arhitektuuriga s\u00fcsteemis, n\u00e4iteks k\u00e4ivitada ARM-i rakendus x86-\u00fchilduval arvutil. Virtuaalimise re\u017eiimis on QEMU koodide t\u00e4itmise tootlikkus isoleeritud keskkonnas peaaegu nagu riistvaras, t\u00e4nu otse protsessoril k\u00e4itatavatele k\u00e4skudele ja Xen-h\u00fcperviisori v\u00f5i KVM-mooduli kasutamisele Linuxis v\u00f5i NVMM-mooduli kasutamisele NetBSD-s.    <\/p>\n<p>Alguses loodi projekt Fabrice Bellardi poolt (Fabrice Bellard), et v\u00f5imaldada Linuxi t\u00e4idetavate failide k\u00e4itamist x86 arhitektuurile \u00fcles ehitatud platvormidel, mis ei olnud x86. Aastate jooksul on arendusse lisatud t\u00e4ielikku emulatsiooni toetust 14 riistvaraarhitektuuri jaoks ning emuleeritud riistvaraseadmete arv on \u00fcletanud 400. Versiooni 9.1 ettevalmistamisel lisati rohkem kui 2800 muudatust 263 arendajalt.             <\/p>\n<p>QEMU 9.1 lisatud peamised t\u00e4iustused:   <\/p>\n<ul>\n<li class=\"l\"> K\u00fclgsete s\u00fcsteemide migreerimise t\u00f6\u00f6riistakomplekti on lisatud toetust andmete tihendamise operatsioonide kiirendamiseks, kasutades IAA (Intel In-Memory Analytics Accelerator) v\u00f5i UADK (User Space Accelerator Development Kit) tehnoloogiat. Parandatud on ka postcopy re\u017eiimis migreerimise t\u00f5rgete taastamise toetust.\n<li class=\"l\"> Virtio mehhanismis, mida kasutatakse k\u00fclgsete s\u00fcsteemide ja host-s\u00fcsteemi vahelise suhtluse organiseerimiseks, on lisatud toetus VIRTIO_F_NOTIFICATION_DATA funktsioonile, mis v\u00f5imaldab k\u00fclgsete s\u00fcsteemide draiveritel edastada t\u00e4iendavaid andmeid koos saadetavate teadetega. Seda funktsiooni saab kasutada n\u00e4iteks silumisandmete saatmiseks v\u00f5i tootlikkuse optimeerimiseks.\n<li class=\"l\"> Linux-s\u00fcsteemide guest-agentisse on lisatud k\u00e4sk guest-network-get-route ning Windows-s\u00fcsteemide jaoks on lisatud k\u00e4skude komplekt guest-ssh-*. K\u00e4skude \"allowed\" ja \"blocked\" seadistamise v\u00f5imalused on k\u00e4sureas laienenud.\n<li class=\"l\"> ARM arhitektuuri emulaatorisse on lisatud toetus protsessorilaienditele EAT_NMI, FEAT_CSV2_3, FEAT_ETS2, FEAT_Spec_FPACC, FEAT_WFxT, FEAT_Debugv8p8. M\u00e4lu haldamise ploki SMMUv3 (System Memory Management Unit) emuleerimisel on ellu viidud toetust pesastatud ja kaheetapilistele m\u00e4lu lehtedele. Xilinx Zynqi plaatide jaoks on lisatud toetust mitme protsessori konfiguratsioonide emuleerimisel, DM163 ekraanijuhile ja vahem\u00e4lu juhile.\n<li class=\"l\"> LoongArch arsitehtuuris oleva emulaatoriga on saadud v\u00f5imalus otse laadida ELF formaadis tuuma pilte ning toetada kuni 256 CPU k\u00e4ivitamist, kasutades extioi laiendust. Paranenud on t\u00f5rkeotsingu v\u00f5imalused.\n<li class=\"l\"> RISC-V arsitehtuuris oleva emulaatoriga on lisatud toetus protsessorilaiendustele Zve32x, Zve64x, Zimop, Zcmop, Zama16b, Zabha, Zawrs ja Smcntrpmf, samuti versioon 1.13 privileegide komplekti spetsifikatsioonist. Paranenud on t\u00f5rkeotsingu v\u00f5imalused.\n<li class=\"l\"> SPARC arsitehtuuris oleva emulaatoriga on lisatud toetus protsessorilaiendustele FMAF, IMA, VIS3 ja VIS4.\n<li class=\"l\"> x86 arhitektuuri emulaatoris hypervisorile <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4427\">KVM<\/a> On rakendatud v\u00f5imalus k\u00e4ivitada k\u00fclaliss\u00fcsteeme, kasutades AMD SEV-SNP (Secure Nested Paging) protsessorilaiendust, mis tagab turvalise t\u00f6\u00f6 sisemiste m\u00e4lu lehtede tabelitega. Toetatud on CPU emulatsioon, mis p\u00f5hineb mikroarhitektuuridel Icelake-Server-v7, SapphireRapids-v3 ja SierraForest.\n<li class=\"l\"> On k\u00f5rvaldatud haavatavus (CVE-2024-7409) blokeerivates seadmetes NBD (Network Block Device), mis v\u00f5imaldab k\u00fclaliss\u00fcsteemis tehtud manipuleerimist QEMU kokkuvarisemise saavutamiseks nbd-server-stop toimingu ajal, isegi kui kliendil ei ole NBD serveriga \u00fchenduse saamiseks TLS-avalikke v\u00f5tmeid. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-newyork\/\"   title=\"serveris\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2783\">serveris<\/a> Esitatud on QEMU 9.1 projekti v\u00e4ljaanne.        <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61813\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 QEMU 9.1. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0430 QEMU \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u0443\u044e \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0441 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u0438\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043e\u0439, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0434\u043b\u044f ARM \u043d\u0430 x86-\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u043c \u041f\u041a. \u0412 \u0440\u0435\u0436\u0438\u043c\u0435 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 QEMU \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0432 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u0431\u043b\u0438\u0437\u043a\u0430 \u043a \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0437\u0430 \u0441\u0447\u0451\u0442 \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u043d\u0430 CPU \u0438 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f [&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-119708","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 QEMU 9.1.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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