{"id":31672,"date":"2019-10-31T21:42:29","date_gmt":"2019-10-31T18:42:29","guid":{"rendered":"https:\/\/prohoster.info\/blog\/proekt-netbsd-razvivaet-novyj-gipervizor-nvmm\/"},"modified":"2019-10-31T21:42:29","modified_gmt":"2019-10-31T18:42:29","slug":"proekt-netbsd-razvivaet-novyj-gipervizor-nvmm","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/proekt-netbsd-razvivaet-novyj-gipervizor-nvmm","title":{"rendered":"Projekti NetBSD po zhvillon nj\u00eb hipervizor t\u00eb ri NVMM","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Zhvilluesit e projektit NetBSD njoftuan<\/a><\/noindex> p\u00ebr krijimin e nj\u00eb hipervizori t\u00eb ri dhe t\u00eb grumbullit t\u00eb tij t\u00eb virtualizimit, t\u00eb cilat tashm\u00eb jan\u00eb p\u00ebrfshir\u00eb n\u00eb deg\u00ebn eksperimentale NetBSD-current dhe do t\u00eb ofrohen n\u00eb versionin stabil NetBSD 9. NVMM p\u00ebr momentin \u00ebsht\u00eb i kufizuar n\u00eb mb\u00ebshtetje t\u00eb arkitektur\u00ebs x86_64 dhe ofron dy b backend p\u00ebr t\u00eb angazhuar mekanizmat harduerike t\u00eb virtualizimit: x86-SVM me mb\u00ebshtetje p\u00ebr zgjerimet e virtualizimit t\u00eb CPU AMD dhe x86-VMX p\u00ebr CPU Intel. N\u00eb form\u00ebn e tanishme, \u00ebsht\u00eb e mundur t\u00eb nisen deri n\u00eb 128 makina virtuale n\u00eb nj\u00eb host, secila prej t\u00eb cilave mund t\u00eb p\u00ebrkushtohet deri n\u00eb 256 b\u00ebrthama virtuale procesor\u00ebsh (VCPU) dhe 128 GB RAM. <\/p>\n

NVMM p\u00ebrfshin nj\u00eb drejtues q\u00eb funksionon n\u00eb nivelin e b\u00ebrtham\u00ebs s\u00eb sistemit dhe koordinon qasjen n\u00eb mekanizmat harduerik\u00eb t\u00eb virtualizimit, dhe grumbullin Libnvmm q\u00eb ekzekutohet n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit. Nd\u00ebrveprimi i komponent\u00ebve t\u00eb b\u00ebrtham\u00ebs dhe hap\u00ebsir\u00ebs s\u00eb p\u00ebrdoruesit b\u00ebhet p\u00ebrmes IOCTL. Nj\u00eb karakteristik\u00eb e NVMM, q\u00eb e ndan at\u00eb nga hipervizor\u00ebt e till\u00eb si KVM, HAXM<\/a><\/noindex> dhe Bhyve, \u00ebsht\u00eb se n\u00eb nivelin e b\u00ebrtham\u00ebs ekzekutohet vet\u00ebm grupi minimal i nevojsh\u00ebm i mb\u00ebshtetjeve rreth mekanizmave harduerik\u00eb t\u00eb virtualizimit, nd\u00ebrsa e gjith\u00eb kodi i emulimit t\u00eb pajisjeve \u00ebsht\u00eb zhvendosur nga b\u00ebrthama n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit. Ky qasje lejon t\u00eb reduktohet volumi i kodit q\u00eb ekzekutohet me privilegje t\u00eb larta dhe t\u00eb zvog\u00eblohet rreziku i kompromitimit t\u00eb gjith\u00eb sistemit n\u00eb rast sulmesh ndaj dob\u00ebsive n\u00eb hipervizor. P\u00ebr m\u00eb tep\u00ebr, p\u00ebrmir\u00ebsohet duksh\u00ebm debagimi dhe testimi i fuzzing t\u00eb projektit. <\/p>\n

\u041f\u0440\u0438 \u044d\u0442\u043e\u043c Libnvmm \u0441\u0430\u043c \u043f\u043e \u0441\u0435\u0431\u0435 \u043d\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0430, \u0430 \u043b\u0438\u0448\u044c \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 API, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0438\u043d\u0442\u0435\u0433\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 NVMM \u0432 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u044b, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 QEMU. API \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0442\u0430\u043a\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043a\u0430\u043a \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0438 \u0437\u0430\u043f\u0443\u0441\u043a \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u044b, \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u0433\u043e\u0441\u0442\u0435\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 VCPU. \u0414\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0445 \u0432\u0435\u043a\u0442\u043e\u0440\u043e\u0432 \u0430\u0442\u0430\u043a\u0438 libnvmm \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u044f\u0432\u043d\u043e \u0437\u0430\u043f\u0440\u043e\u0448\u0435\u043d\u043d\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 — \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0441\u043b\u043e\u0436\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043d\u0435 \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0438 \u0432\u043e\u043e\u0431\u0449\u0435 \u043c\u043e\u0433\u0443\u0442 \u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f, \u0435\u0441\u043b\u0438 \u0431\u0435\u0437 \u043d\u0438\u0445 \u043c\u043e\u0436\u043d\u043e \u043e\u0431\u043e\u0439\u0442\u0438\u0441\u044c. NVMM \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u043e\u0431\u0445\u043e\u0434\u0438\u0442\u044c\u0441\u044f \u043f\u0440\u043e\u0441\u0442\u044b\u043c\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u044f\u043c\u0438, \u043d\u0435 \u0432\u043f\u0430\u0434\u0430\u044f \u0432 \u0443\u0441\u043b\u043e\u0436\u043d\u0435\u043d\u0438\u044f \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044f \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u0431\u043e\u043b\u044c\u0448\u0435 \u0430\u0441\u043f\u0435\u043a\u0442\u043e\u0432 \u0440\u0430\u0431\u043e\u0442\u044b.<\/p>\n

\"Projekti<\/a><\/noindex><\/center><\/p>\n

Nj\u00eb pjes\u00eb q\u00eb funksionon n\u00eb nivelin e b\u00ebrtham\u00ebs s\u00eb NVMM \u00ebsht\u00eb e integruar mjaft ngusht\u00eb me b\u00ebrtham\u00ebn e NetBSD dhe lejon p\u00ebrmir\u00ebsimin e performanc\u00ebs duke reduktuar numrin e kalimeve t\u00eb kontekstit midis sistemit operativ mysafir dhe mjedisit host. N\u00eb an\u00ebn e hap\u00ebsir\u00ebs s\u00eb p\u00ebrdoruesit, libnvmm p\u00ebrpiqet t\u00eb agregoj\u00eb operacionet standarde t\u00eb I\/O dhe nuk i drejtohet thirrjeve sistemike pa nevoj\u00eb. Sistemi i menaxhimit t\u00eb memories \u00ebsht\u00eb i bazuar n\u00eb n\u00ebn-sistemin pmap, i cili lejon d\u00ebbimin e faqeve t\u00eb memories t\u00eb sistemeve mysafire p\u00ebr n\u00eb hap\u00ebsir\u00ebn e ndihm\u00ebs n\u00eb rast t\u00eb munges\u00ebs s\u00eb memories n\u00eb sistem. NVMM \u00ebsht\u00eb i liruar nga bllokimet globale dhe scalez mjaft mir\u00eb, duke lejuar p\u00ebrdorimin e b\u00ebrthamave t\u00eb ndryshme CPU p\u00ebr ekzekutimin e makinave virtuale mysafire t\u00eb ndryshme. <\/p>\n

Nj\u00eb zgjidhje e p\u00ebrgatitur mbi QEMU p\u00ebrdor NVMM p\u00ebr t\u00eb angazhuar mekanizmat harduerik\u00eb t\u00eb virtualizimit. Po punojm\u00eb p\u00ebr t\u00eb p\u00ebrfshir\u00eb patch-at e p\u00ebrgatitur n\u00eb p\u00ebrb\u00ebrjen kryesore t\u00eb QEMU. Kombinimi QEMU+NVMM tashm\u00eb mund\u00ebson<\/a><\/noindex> ka filluar me sukses t\u00eb p\u00ebrdor\u00eb sisteme mysafire me FreeBSD, OpenBSD, Linux, Windows XP\/7\/8.1\/10 dhe sisteme t\u00eb tjera n\u00eb sistemet x86_64 me procesor\u00eb AMD dhe Intel (vet\u00eb NVMM nuk \u00ebsht\u00eb i lidhur me nj\u00eb arkitektur\u00eb t\u00eb caktuar, p\u00ebr shembull, duke krijuar backend-in p\u00ebrkat\u00ebs mund t\u00eb funksionoj\u00eb n\u00eb sistemet ARM64). Si fusha t\u00eb aplikimeve t\u00eb m\u00ebtejshme, NVMM gjithashtu v\u00ebren izolimin e aplikacioneve t\u00eb ve\u00e7anta n\u00eb sandbox.<\/p>\n

\"Projekti<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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