{"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\/da\/blog\/news\/v-yadre-linux-namereny-prekratit-podderzhku-staryh-arm-platform-fs-efs-i-32-razryadnyh-msr-interfejsov","title":{"rendered":"I Linux-kernen planl\u00e6gges det at stoppe underst\u00f8ttelsen af gamle ARM-platforme, EFS-filsystemet og 32-bit MSR-gr\u00e6nseflader","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Arnd Bergmann, der ansvarer for kernepakkerne hos SUSE, har taget en ny omgang for at rense Linux-kernen for kode, der underst\u00f8tter for\u00e6ldede ARM-platforme, som n\u00e6sten ikke anvendes og hindrer vedligeholdelse af aktuelle undersystemer. Det f\u00f8rste fors\u00f8g blev gjort i august 2024, men gik i st\u00e5, trods enighed blandt kerneudviklerne om at gennemf\u00f8re rensningen i 2025 eller 2026 efter dannelsen af de relevante LTS-kernegrene. I det andet s\u00e6t patches opdaterede Arnd informationen og tilf\u00f8jede advarsler om overgangen af platforme til status som for\u00e6ldede i konfigurationsfilerne. Faktisk foresl\u00e5s det at fjerne de markerede platforme i kerne 7.4, der forventes at komme i begyndelsen af 2027.    <\/p>\n<p>F\u00f8lgende platforme planl\u00e6gges fjernet:  <\/p>\n<ul>\n<li class=\"l\"> Alle filer, der underst\u00f8tter platforme, som ikke er blevet opdateret til at bruge Device Tree-strukturen. Undtagelse vil kun blive lavet for OMAP1- og S3C-platformene (ARCH_S3C64XX), da koden til at underst\u00f8tte OMAP1 er i gang med at blive konverteret til Device Tree, og S3C-kortene fortsat er i aktiv brug. Desuden vil underst\u00f8ttelsen af ATAGS-strukturen (ARM Tag-Area), som blev brugt til at overf\u00f8re konfigurationsoplysninger f\u00f8r Device Tree, som standard blive deaktiveret.\n<li class=\"l\"> Underst\u00f8ttelsen af det udvidede instruktionss\u00e6t iWMMXt, som blev erkl\u00e6ret for\u00e6ldet fra og med GCC 14.\n<li class=\"l\"> ARMv6\/ARM1136r0-arkitekturen, der anvendes i SoC'er som ARM1136r0p (NXP i.MX31) og OMAP24xx (Nokia N8xx). Fjernelsen ber\u00f8rer ikke ARMv6K-arkitekturen (ARM1136r1\/ARM1176).\n<li class=\"l\"> Mikrocontrollere baseret p\u00e5 Cortex-M3\/M4\/M7-processorer (stm32, imxrt, lpc18xx, samv7) \u2014 de seneste underst\u00f8ttede chips i kernen uden hukommelseskontrolenhed (MMU).\n<li class=\"l\"> RiscPC \u2014 den \u00e6ldste af de underst\u00f8ttede platforme i kernen.\n<li class=\"l\"> LSI Axxia-platforme.\n<li class=\"l\"> Emulator til udf\u00f8relse af operationer med flydende komma NWFPE (No Floating Point Emulator), OABI og OABI-kompatibilitetsmodus (OABI_COMPAT), som muligg\u00f8r udf\u00f8relse af eksekverbare filer, der er samlet til OABI, ved brug af en kerne med EABI. Disse subsystemer anvendes kun p\u00e5 enheder med StrongARM-processorer baseret p\u00e5 ARMv4-arkitekturen og vil forblive i kernen indtil fjernelsen af StrongARM-underst\u00f8ttelsen.\n<li class=\"l\"> param_struct-strukturen, der blev brugt f\u00f8r ATAGS (ARM Tag-Area), erkl\u00e6ret for\u00e6ldet i 2001 og planlagt til fjernelse allerede i 2006.\n<li class=\"l\"> Markeret som for\u00e6ldet og ikke-fungerende (broken) underst\u00f8ttelse af BE8-tilstand (big-endian ARMv7), som der ikke er planer om at fjerne endnu, da det er interessant til test af brugerplads-komponenter p\u00e5 big-endian-systemer. Underst\u00f8ttelsen af big-endian-varianten af ARMv5 bevares, da den anvendes i ixp4xx-processorerne, der er i brug.    <\/ul>\n<p>Desuden planl\u00e6gger man at fjerne EFS-filsystemet fra Linux-kernen 7.3, som blev anvendt i de tidlige versioner af IRIX, oph\u00f8rte med at blive brugt for omkring 30 \u00e5r siden og ikke har v\u00e6ret vedligeholdt i over 20 \u00e5r. For dem, der har behov for adgang til oplysninger p\u00e5 partitioner med EFS, findes der v\u00e6rkt\u00f8jer, der fungerer i brugerens rum.    <\/p>\n<p>Arbejdet er ogs\u00e5 begyndt p\u00e5 at stoppe brugen af 32-bit gr\u00e6nsefladen rdmsr() i kernen til at tilg\u00e5 MSR-registre (Model Specific Register) i CPU'en, som tillader at l\u00e6se indholdet af de h\u00f8jere og lavere 32-bit v\u00e6rdier fra 64-bit MSR-registre separat. Planen er at fjerne hele koden til 32-bit gr\u00e6nsefladen og overf\u00f8re kernen til 64-bit gr\u00e6nsefladen rdmsrq(), hvilket vil muligg\u00f8re at erstatte alle h\u00f8j-niveau makroer, der interagerer med MSR, med inline-funktioner.<br \/>\n<br \/>Kilde: <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 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u0440\u043d\u0434 \u0411\u0435\u0440\u0433\u043c\u0430\u043d (Arnd Bergmann), 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