{"id":53000,"date":"2019-11-21T00:00:00","date_gmt":"2019-11-20T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android"},"modified":"2020-02-18T14:00:50","modified_gmt":"2020-02-18T11:00:50","slug":"google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android","title":{"rendered":"Google est\u00e1 trabajando en el uso del n\u00facleo Linux est\u00e1ndar en Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>En la conferencia pasada de Linux Plumbers 2019, Google <noindex><a rel=\"nofollow\" href=\"https:\/\/arstechnica.com\/gadgets\/2019\/11\/google-outlines-plans-for-mainline-linux-kernel-support-in-android\/\">nos cont\u00f3<\/a><\/noindex>  discuti\u00f3 sobre el desarrollo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49648\">de la iniciativa<\/a><\/noindex> de la incorporaci\u00f3n en el n\u00facleo principal de Linux de cambios desarrollados en <noindex><a rel=\"nofollow\" href=\"https:\/\/android.googlesource.com\/kernel\/common\/+refs\">la variante del n\u00facleo<\/a><\/noindex> para la plataforma Android. El objetivo final es proporcionar la posibilidad de utilizar un solo n\u00facleo com\u00fan en Android, en lugar de preparar compilaciones espec\u00edficas para cada dispositivo basadas en una rama espec\u00edfica de Android. <noindex><a rel=\"nofollow\" href=\"https:\/\/source.android.com\/devices\/architecture\/kernel\/android-common\">Android Common Kernel<\/a><\/noindex>. Este objetivo ya se ha alcanzado en parte, y en la conferencia se demostr\u00f3 un smartphone Android Xiaomi Poco F1 con una versi\u00f3n basada en el n\u00facleo Linux normal y no modificado.<\/p>\n<p>Una vez que el proyecto est\u00e9 listo, se propondr\u00e1 a los proveedores suministrar un n\u00facleo base basado en el n\u00facleo principal de Linux. Los componentes para soporte de hardware se proporcionar\u00e1n por parte de los proveedores \u00fanicamente en forma de m\u00f3dulos adicionales del n\u00facleo, sin aplicar parches al n\u00facleo. Estos m\u00f3dulos deber\u00e1n garantizar la compatibilidad con el n\u00facleo principal a nivel de espacio de nombres de s\u00edmbolos del n\u00facleo. Todos los cambios que afecten al n\u00facleo principal se promover\u00e1n hacia upstream. Para mantener la compatibilidad con los m\u00f3dulos propietarios en ramas LTS, se sugiere mantener de forma estable la API y ABI del n\u00facleo, lo que permitir\u00e1 conservar la compatibilidad de los m\u00f3dulos con las actualizaciones para cada rama com\u00fan del n\u00facleo.<\/p>\n<p><center><img decoding=\"async\" alt=\"Google est\u00e1 trabajando en el uso del n\u00facleo Linux est\u00e1ndar en Android\" src=\"\/wp-content\/uploads\/2019\/11\/18f8a41befddc7d81c07b9c6d1bf44c2.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>En el transcurso de un a\u00f1o, se han trasladado al n\u00facleo principal de Linux desde la edici\u00f3n del n\u00facleo para Android caracter\u00edsticas como el subsistema PSI (Pressure Stall Information) para analizar informaci\u00f3n sobre el tiempo de espera al obtener diversos recursos (CPU, memoria, entrada\/salida), el sistema de archivos pseudo BinderFS para el mecanismo de comunicaci\u00f3n entre procesos Binder y el planificador de tareas energ\u00e9ticamente eficiente EAS (Energy Aware Scheduling). En el futuro, se planea migrar Android de su planificador espec\u00edfico SchedTune a un nuevo subsistema UtilClamp desarrollado por ARM, basado en cgroups2 y en los mecanismos est\u00e1ndar del n\u00facleo.<\/p>\n<p><center><img decoding=\"async\" alt=\"Google est\u00e1 trabajando en el uso del n\u00facleo Linux est\u00e1ndar en Android\" src=\"\/wp-content\/uploads\/2019\/11\/2db4ca76f6a87b2ad28a7510a4deb79c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>Recordemos que hasta ahora el n\u00facleo para la plataforma Android ha pasado por varias etapas de preparaci\u00f3n:<\/p>\n<ul>\n<li class=\"l\"> Sobre la base de los n\u00facleos LTS principales (3.18, 4.4, 4.9 y 4.14) se cre\u00f3 una rama llamada 'Android Common Kernel', en la que se trasladaron parches espec\u00edficos de Android (anteriormente, el tama\u00f1o de los cambios alcanzaba varios millones de l\u00edneas, pero \u00faltimamente los cambios se han reducido a varios miles de l\u00edneas de c\u00f3digo).\n<li class=\"l\"> Sobre la base de 'Android Common Kernel', fabricantes de chips como Qualcomm formaron el 'SoC Kernel', que incluye complementos para el soporte de hardware.\n<li class=\"l\"> Sobre la base de 'SoC Kernel', los fabricantes de dispositivos crearon el 'Device Kernel', que incluye cambios relacionados con el soporte de hardware adicional, pantallas, c\u00e1maras, sistemas de sonido, etc.\n<\/ul>\n<p><center><img decoding=\"async\" alt=\"Google est\u00e1 trabajando en el uso del n\u00facleo Linux est\u00e1ndar en Android\" src=\"\/wp-content\/uploads\/2019\/11\/3a7d495f71eaef927e79912ca62776d8.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>De hecho, para cada dispositivo se creaba su propio n\u00facleo, el cual no pod\u00eda ser utilizado en otros dispositivos. Este esquema complica significativamente la implementaci\u00f3n de actualizaciones para corregir vulnerabilidades y la transici\u00f3n a nuevas ramas del n\u00facleo. Por ejemplo, el \u00faltimo smartphone Pixel 4, lanzado en octubre, viene con un n\u00facleo Linux 4.14, que fue lanzado hace dos a\u00f1os. En parte, Google intent\u00f3 simplificar el mantenimiento promoviendo un sistema <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48588\">Treble<\/a><\/noindex>, que permite a los fabricantes crear componentes universales de soporte de hardware, no ligados a versiones espec\u00edficas de Android y a los lanzamientos del n\u00facleo de Linux. Treble permite utilizar como base las actualizaciones ya listas de Google, integrando componentes espec\u00edficos para cada dispositivo. <\/p>\n<p><center><br \/>\n<div class=\"youtube-placeholder\" data-id=\"f2C-gA8jEyY\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/f2C-gA8jEyY\/hqdefault.jpg\" alt=\"Reproducir video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51905\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430 \u043f\u0440\u043e\u0448\u0435\u0434\u0448\u0435\u0439 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Linux Plumbers 2019 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043b\u0430 \u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u044b \u043f\u043e \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0443 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u044f\u0434\u0440\u043e Linux \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0432 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u044f\u0434\u0440\u0430 \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Android. \u041a\u043e\u043d\u0435\u0447\u043d\u043e\u0439 \u0446\u0435\u043b\u044c\u044e \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 Android \u043e\u0434\u043d\u043e\u0433\u043e \u043e\u0431\u0449\u0435\u0433\u043e \u044f\u0434\u0440\u0430, \u0432\u043c\u0435\u0441\u0442\u043e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0438 \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043e\u043a \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u043e\u0439 \u0434\u043b\u044f Android \u0432\u0435\u0442\u043a\u0438 Android Common Kernel. \u0414\u0430\u043d\u043d\u0430\u044f \u0446\u0435\u043b\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53000","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=\"\u041d\u0430 \u043f\u0440\u043e\u0448\u0435\u0434\u0448\u0435\u0439 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Linux Plumbers 2019 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/es\/blog\/news\/google-rabotaet-nad-ispolzovaniem-obychnogo-yadra-linux-v-android\" \/>\n\t<meta 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