{"id":182470,"date":"2026-07-05T16:54:20","date_gmt":"2026-07-05T14:54:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadre-linux-namereny-prekratit-podderzhku-staryh-arm-platform-fs-efs-i-32-razryadnyh-msr-interfejsov"},"modified":"2026-07-05T16:54:20","modified_gmt":"2026-07-05T14:54:20","slug":"v-yadre-linux-namereny-prekratit-podderzhku-staryh-arm-platform-fs-efs-i-32-razryadnyh-msr-interfejsov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-yadre-linux-namereny-prekratit-podderzhku-staryh-arm-platform-fs-efs-i-32-razryadnyh-msr-interfejsov","title":{"rendered":"Le noyau Linux pr\u00e9voit de mettre fin au support des anciennes plateformes ARM, du syst\u00e8me de fichiers EFS et des interfaces MSR 32 bits.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Arnd Bergmann, responsable des paquets de noyau chez SUSE, a entrepris une seconde tentative pour nettoyer le noyau Linux du code supportant les anciennes plateformes ARM, qui sont presque inutilis\u00e9es et compliquent la maintenance des sous-syst\u00e8mes actuels. La premi\u00e8re tentative a eu lieu en ao\u00fbt 2024, mais a \u00e9chou\u00e9, malgr\u00e9 l'accord des d\u00e9veloppeurs du noyau pour effectuer cette purge en 2025 ou 2026 apr\u00e8s la formation des branches LTS du noyau. Dans ce second lot de patchs, Arnd a mis \u00e0 jour les informations et ajout\u00e9 dans les fichiers de configuration des avertissements concernant le passage des plateformes au statut d'obsol\u00e8te. La suppression effective des plateformes marqu\u00e9es est propos\u00e9e pour le noyau 7.4, pr\u00e9vu au d\u00e9but de l'ann\u00e9e 2027.    <\/p>\n<p>Les \u00e9l\u00e9ments pr\u00e9vus pour suppression :  <\/p>\n<ul>\n<li class=\"l\"> Tous les fichiers de support des plateformes qui n'ont pas \u00e9t\u00e9 convertis pour utiliser la structure Device Tree. Une exception sera faite uniquement pour les plateformes OMAP1 et S3C (ARCH_S3C64XX), car le code de support pour OMAP1 est en cours de conversion vers Device Tree, et les cartes S3C continuent d'\u00eatre utilis\u00e9es activement. De plus, le support de la structure ATAGS (ARM Tag-Area), qui \u00e9tait utilis\u00e9 pour transmettre des informations de configuration avant Device Tree, sera d\u00e9sactiv\u00e9 par d\u00e9faut.\n<li class=\"l\"> Le support de l'ensemble d'instructions \u00e9tendu iWMMXt, d\u00e9clar\u00e9 obsol\u00e8te \u00e0 partir de GCC 14.\n<li class=\"l\"> L'architecture ARMv6\/ARM1136r0, utilis\u00e9e dans des SoC tels que ARM1136r0p (NXP i.MX31) et OMAP24xx (Nokia N8xx). La suppression n'affecte pas l'architecture ARMv6K (ARM1136r1\/ARM1176).\n<li class=\"l\"> Les microcontr\u00f4leurs bas\u00e9s sur des processeurs Cortex-M3\/M4\/M7 (stm32, imxrt, lpc18xx, samv7) \u2014 les derni\u00e8res puces prises en charge par le noyau sans unit\u00e9 de gestion de m\u00e9moire (MMU).\n<li class=\"l\"> RiscPC \u2014 la plus ancienne des plateformes prises en charge par le noyau.\n<li class=\"l\"> Les plateformes LSI Axxia.\n<li class=\"l\"> \u00c9mulateur pour l'ex\u00e9cution d'op\u00e9rations \u00e0 virgule flottante NWFPE (No Floating Point Emulator), OABI et mode de compatibilit\u00e9 avec OABI (OABI_COMPAT), permettant l'ex\u00e9cution des fichiers ex\u00e9cutables compil\u00e9s pour OABI sur un noyau avec EABI. Ces sous-syst\u00e8mes ne sont utilis\u00e9s que sur des dispositifs avec des processeurs StrongARM bas\u00e9s sur l'architecture ARMv4 et resteront dans le noyau jusqu'\u00e0 la suppression du support pour StrongARM.\n<li class=\"l\"> La structure param_struct, utilis\u00e9e avant ATAGS (ARM Tag-Area), d\u00e9clar\u00e9e obsol\u00e8te en 2001 et planifi\u00e9e pour suppression depuis 2006.\n<li class=\"l\"> \u00c9tiquet\u00e9 comme obsol\u00e8te et non fonctionnel (broken) le support du mode BE8 (big-endian ARMv7), qui n'est pas encore pr\u00e9vu pour \u00eatre supprim\u00e9 car il pr\u00e9sente un int\u00e9r\u00eat pour tester les composants de l'espace utilisateur sur des syst\u00e8mes big-endian. Le support de la variante big-endian ARMv5 est maintenu car elle est utilis\u00e9e dans les processeurs ixp4xx, qui sont courants.    <\/ul>\n<p>De plus, dans le noyau Linux 7.3, il est pr\u00e9vu de supprimer le syst\u00e8me de fichiers EFS, qui \u00e9tait utilis\u00e9 dans les versions ant\u00e9rieures du syst\u00e8me d'exploitation IRIX, n'ayant plus \u00e9t\u00e9 utilis\u00e9 depuis environ 30 ans et n'ayant pas \u00e9t\u00e9 maintenu depuis plus de 20 ans. Pour ceux qui ont besoin d'acc\u00e9der \u00e0 des informations sur les partitions utilisant EFS, des utilitaires fonctionnant dans l'espace utilisateur sont disponibles.    <\/p>\n<p>Des travaux ont \u00e9galement commenc\u00e9 pour arr\u00eater d'utiliser dans le noyau l'interface 32 bits rdmsr() pour acc\u00e9der aux registres MSR (Model Specific Register) du CPU, permettant de lire s\u00e9par\u00e9ment le contenu des valeurs sup\u00e9rieures et inf\u00e9rieures de 32 bits \u00e0 partir des registres MSR de 64 bits. Il est pr\u00e9vu de supprimer compl\u00e8tement le code de l'interface 32 bits et de convertir le noyau vers l'interface 64 bits rdmsrq(), ce qui permettra de remplacer toutes les macro-instructions de haut niveau acc\u00e9dant aux MSR par des fonctions inline.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65847\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u0440\u043d\u0434 \u0411\u0435\u0440\u0433\u043c\u0430\u043d (Arnd Bergmann), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u0437\u0430 \u043f\u0430\u043a\u0435\u0442\u044b \u0441 \u044f\u0434\u0440\u043e\u043c \u0432 SUSE, \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u043d\u044f\u043b \u0432\u0442\u043e\u0440\u0443\u044e \u043f\u043e\u043f\u044b\u0442\u043a\u0443 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0447\u0438\u0441\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 Linux \u043e\u0442 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c ARM, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0447\u0442\u0438 \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0438 \u043c\u0435\u0448\u0430\u044e\u0442 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044e \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c. \u041f\u0435\u0440\u0432\u0430\u044f \u043f\u043e\u043f\u044b\u0442\u043a\u0430 \u0431\u044b\u043b\u0430 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u0432 \u0430\u0432\u0433\u0443\u0441\u0442\u0435 2024 \u0433\u043e\u0434\u0430, \u043d\u043e \u0437\u0430\u0431\u0443\u043a\u0441\u043e\u0432\u0430\u043b\u0430, \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u0441\u043e\u0433\u043b\u0430\u0441\u0438\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0434\u0440\u0430 \u043f\u0440\u043e\u0432\u0435\u0441\u0442\u0438 \u0447\u0438\u0441\u0442\u043a\u0443 \u0432 2025 \u0438\u043b\u0438 2026 \u0433\u043e\u0434\u0430\u0445 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182470","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u0440\u043d\u0434 \u0411\u0435\u0440\u0433\u043c\u0430\u043d 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