{"id":183118,"date":"2026-08-26T10:56:07","date_gmt":"2026-08-26T08:56:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/pervyj-vypusk-mklinux-dlya-odnovremennogo-vypolneniya-neskolkih-ekzemplyarov-yadra-linux"},"modified":"2026-08-26T10:56:10","modified_gmt":"2026-08-26T08:56:10","slug":"first-mklinux-release-for-running-multiple-linux-kernel-instances-simultaneously","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/first-mklinux-release-for-running-multiple-linux-kernel-instances-simultaneously","title":{"rendered":"Premi\u00e8re sortie de mklinux pour l'ex\u00e9cution simultan\u00e9e de plusieurs instances du noyau Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Le premier lancement public du projet Multikernel Linux (mklinux-v7.0-mk2) a \u00e9t\u00e9 pr\u00e9sent\u00e9, d\u00e9veloppant une variante du noyau Linux, enrichie de la capacit\u00e9 d'ex\u00e9cuter plusieurs instances ind\u00e9pendantes du noyau sur un seul ordinateur physique sans utiliser de hyperviseur et de virtualisation. Chaque instance du noyau a un acc\u00e8s direct aux ressources mat\u00e9rielles et peut \u00eatre utilis\u00e9e pour ex\u00e9cuter des environnements syst\u00e8me isol\u00e9s distincts. Le premier lancement est bas\u00e9 sur le noyau Linux 7.0 et contient la configuration de construction \u00ab CONFIG_MULTIKERNEL \u00bb, qui, lorsqu'elle est d\u00e9sactiv\u00e9e, rend le noyau compl\u00e8tement identique au noyau 7.0 standard. Actuellement, seule l'architecture CPU x86_64 est prise en charge. <\/p>\n

Multikernel se pr\u00e9sente comme un nouveau m\u00e9canisme d'isolation, occupant un cr\u00e9neau entre la virtualisation par hyperviseur et l'isolation de conteneurs bas\u00e9s sur un noyau commun. Contrairement \u00e0 la virtualisation, Multikernel ne n\u00e9cessite pas d'hyperviseur, simplifie la cr\u00e9ation d'environnements pour l'ex\u00e9cution isol\u00e9e d'applications individuelles et permet d'atteindre de hautes performances sans les surco\u00fbts li\u00e9s \u00e0 la virtualisation. Contrairement aux conteneurs, Multikernel offre un niveau d'isolation \u00e9lev\u00e9 et permet d'utiliser un noyau distinct dans chaque environnement isol\u00e9, une interruption ou l'exploitation d'une vuln\u00e9rabilit\u00e9 dans celui-ci n'affectant pas les autres environnements.

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Le noyau h\u00f4te assure la r\u00e9partition des CPU, de la m\u00e9moire et des p\u00e9riph\u00e9riques PCI disponibles entre les instances suppl\u00e9mentaires du noyau qui fonctionnent en parall\u00e8le. Chaque instance s'ex\u00e9cute sur un c\u0153ur de CPU d\u00e9di\u00e9, travaille avec les p\u00e9riph\u00e9riques qui lui sont attribu\u00e9s et a acc\u00e8s \u00e0 une zone d\u00e9di\u00e9e de la m\u00e9moire physique. L'ex\u00e9cution simultan\u00e9e de plusieurs noyaux s'effectue sans virtualisation, \u00e0 l'aide d'un gestionnaire SMP r\u00e9partissant les CPU disponibles. L'allocation dynamique des ressources pour les environnements en cours d'ex\u00e9cution et la garantie d'une performance pr\u00e9visible sont prises en charge. <\/p>\n

Gr\u00e2ce \u00e0 l'\u00e9limination des frais g\u00e9n\u00e9raux li\u00e9s \u00e0 la virtualisation, les performances avec Multikernel sont jug\u00e9es proches de celles d'une ex\u00e9cution sur du mat\u00e9riel d\u00e9di\u00e9. Avec Multikernel, il n'y a pas d'\u00e9tape de transmission de contr\u00f4le entre les machines virtuelles (VM exit), pas de pages m\u00e9moire de second niveau, un mod\u00e8le d'appareil distinct et une traduction IOMMU. En comparaison avec un hyperviseur, KVM<\/a> L'utilisation de Multikernel note une augmentation des performances de divers appels syst\u00e8me et fonctions variant de 1,07 \u00e0 2,5 fois (fork + exit \u2014 1,07x, write() \u2014 1,39x, AF_UNIX \u2014 1,55x, Pipe \u2014 2,18x, changement de contexte \u2014 2,50x), la bande passante et les latences lors de l'utilisation de la m\u00e9moire restent \u00e0 un niveau similaire.

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

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