{"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\/pt\/blog\/news\/v-yadre-linux-namereny-prekratit-podderzhku-staryh-arm-platform-fs-efs-i-32-razryadnyh-msr-interfejsov","title":{"rendered":"No n\u00facleo do Linux, a inten\u00e7\u00e3o \u00e9 interromper o suporte a antigas plataformas ARM, FS EFS e interfaces MSR de 32 bits","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Arnd Bergmann, respons\u00e1vel pelos pacotes do n\u00facleo na SUSE, fez uma segunda tentativa de limpar o n\u00facleo do Linux do c\u00f3digo para suporte a plataformas ARM obsoletas, que s\u00e3o quase n\u00e3o utilizadas e dificultam a manuten\u00e7\u00e3o de subsistemas atuais. A primeira tentativa foi feita em agosto de 2024, mas n\u00e3o teve sucesso, apesar do consentimento dos desenvolvedores do n\u00facleo para realizar a limpeza em 2025 ou 2026, ap\u00f3s a forma\u00e7\u00e3o das respectivas ramifica\u00e7\u00f5es LTS do n\u00facleo. No segundo conjunto de patches, Arnd atualizou as informa\u00e7\u00f5es e adicionou nos arquivos de configura\u00e7\u00e3o avisos sobre a transi\u00e7\u00e3o das plataformas para a categoria de obsoletas. A exclus\u00e3o das plataformas marcadas \u00e9 sugerida no n\u00facleo 7.4, esperado para o in\u00edcio de 2027.    <\/p>\n<p>Est\u00e3o planejadas para remo\u00e7\u00e3o:  <\/p>\n<ul>\n<li class=\"l\"> Todos os arquivos de suporte a plataformas que n\u00e3o foram convertidos para usar a estrutura Device Tree. A exce\u00e7\u00e3o ser\u00e1 feita apenas para as plataformas OMAP1 e S3C (ARCH_S3C64XX), uma vez que o c\u00f3digo para suporte ao OMAP1 est\u00e1 sendo convertido para Device Tree, enquanto as placas S3C ainda est\u00e3o sendo ativamente utilizadas. Al\u00e9m disso, o suporte \u00e0 estrutura ATAGS (ARM Tag-Area), que era utilizada para transmitir informa\u00e7\u00f5es de configura\u00e7\u00e3o antes do Device Tree, ser\u00e1 desabilitado por padr\u00e3o.\n<li class=\"l\"> Suporte ao conjunto expandido de instru\u00e7\u00f5es iWMMXt, que foi declarado obsoleto a partir do GCC 14.\n<li class=\"l\"> A arquitetura ARMv6\/ARM1136r0, que \u00e9 utilizada em SoCs como ARM1136r0p (NXP i.MX31) e OMAP24xx (Nokia N8xx). A remo\u00e7\u00e3o n\u00e3o afeta a arquitetura ARMv6K (ARM1136r1\/ARM1176).\n<li class=\"l\"> Microcontroladores baseados em processadores Cortex-M3\/M4\/M7 (stm32, imxrt, lpc18xx, samv7) \u2014 os \u00faltimos chips suportados no n\u00facleo sem unidade de gerenciamento de mem\u00f3ria (MMU).\n<li class=\"l\"> RiscPC \u2014 a mais antiga das plataformas suportadas no n\u00facleo.\n<li class=\"l\"> Plataformas LSI Axxia.\n<li class=\"l\"> Emulador para opera\u00e7\u00f5es de ponto flutuante NWFPE (No Floating Point Emulator), OABI e modo de compatibilidade com OABI (OABI_COMPAT), permitindo a execu\u00e7\u00e3o de arquivos bin\u00e1rios compilados para OABI, usando um n\u00facleo com EABI. Esses subsistemas s\u00e3o utilizados somente em dispositivos com processadores StrongARM baseados na arquitetura ARMv4 e ser\u00e3o removidos at\u00e9 que o suporte ao StrongARM seja eliminado.\n<li class=\"l\"> A estrutura param_struct, utilizada antes do ATAGS (ARM Tag-Area), foi declarada obsoleta em 2001 e programada para remo\u00e7\u00e3o j\u00e1 em 2006.\n<li class=\"l\"> Marcado como obsoleto e com suporte n\u00e3o funcional (broken) para o modo BE8 (big-endian ARMv7), que ainda n\u00e3o est\u00e1 previsto para remo\u00e7\u00e3o, pois \u00e9 interessante para testar componentes do espa\u00e7o do usu\u00e1rio em sistemas big-endian. O suporte para a variante big-endian do ARMv5 \u00e9 mantido, pois \u00e9 utilizado em processadores ixp4xx que ainda est\u00e3o em uso.    <\/ul>\n<p>Al\u00e9m disso, no kernel Linux 7.3, pretende-se remover o sistema de arquivos EFS, que foi utilizado em vers\u00f5es anteriores do sistema operacional IRIX, deixou de ser usado h\u00e1 cerca de 30 anos e n\u00e3o recebeu suporte por mais de 20 anos. Para aqueles que precisam acessar informa\u00e7\u00f5es em parti\u00e7\u00f5es com EFS, existem utilit\u00e1rios que funcionam no espa\u00e7o do usu\u00e1rio.    <\/p>\n<p>Tamb\u00e9m come\u00e7ou o trabalho para interromper o uso, no n\u00facleo, da interface de 32 bits rdmsr() para acessar registros MSR (Model Specific Register) na CPU, permitindo ler separadamente o conte\u00fado dos valores de 32 bits superiores e inferiores de registros MSR de 64 bits. Est\u00e1 previsto remover completamente o c\u00f3digo da interface de 32 bits e migrar o kernel para a interface de 64 bits rdmsrq(), o que permitir\u00e1 substituir todas as macros de alto n\u00edvel que acessam MSR por fun\u00e7\u00f5es inline.<br \/>\n<br \/>Fonte: <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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