{"id":90687,"date":"2020-08-04T13:42:33","date_gmt":"2020-08-04T11:42:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predlozhenie-po-blokirovke-drajverov-prosloek-predostavlyayushhih-dostup-k-gpl-vyzovam-yadra-linux"},"modified":"2020-08-04T13:42:33","modified_gmt":"2020-08-04T11:42:33","slug":"predlozhenie-po-blokirovke-drajverov-prosloek-predostavlyayushhih-dostup-k-gpl-vyzovam-yadra-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/predlozhenie-po-blokirovke-drajverov-prosloek-predostavlyayushhih-dostup-k-gpl-vyzovam-yadra-linux","title":{"rendered":"Pakkumine blokeerida vahekihid, mis v\u00f5imaldavad juurdep\u00e4\u00e4su Linuxi tuuma GPL-k\u00f5nedele","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Christoph Hellwig, tuntud Linuxi tuumaarendaja, kes oli kunagi Linux Foundationi tehnilise komitee liige ja esindas hagejana GPL-iga seotud kohtuasjas kohtuvaidluses<\/a><\/noindex> VMware'iga, soovitust<\/a><\/noindex> et tugevdada kaitset, et v\u00e4ltida patenteeritud draiverite sidumist Linuxi tuuma komponentidega, mis on eksporditud ainult GPL-litsentsi all olevatele moodulitele. GPL-s\u00fcmbolite ekspordi piirangu \u00fcletamiseks kasutavad patenteeritud draiverite tootjad vahemodulit, mille kood on avatud ja millel on GPLv2 litsents, kuid mille funktsioonid piirdusid patenteeritud draiveri ligip\u00e4\u00e4su edasil\u00fckkamisega keelatud API-dele, mida ei lubata kasutada otse patenteeritud koodist.<\/p>\n

Sarnaste maneuvrite blokeerimiseks pakkus Christoph Hellwig val valmistas<\/a><\/noindex> Linuxi tuuma jaoks on pat\u0161id, mis tagavad GPL-s\u00fcmbolitega seotud lippude p\u00e4rimise. Eesm\u00e4rk on p\u00e4rida TAINT_PROPRIETARY_MODULE lipp k\u00f5igis moodulites, mis impordivad s\u00fcmboleid moodulitest, millel on see lipp. Seega, kui GPL vahemoodul \u00fcritab importida s\u00fcmboleid mitte-GPL moodulist, siis p\u00e4rib GPL-moodul TAINT_PROPRIETARY_MODULE m\u00e4rgistuse ning ei saa juurdep\u00e4\u00e4su kernelikomponentidele, mis on saadaval ainult GPL-litsentsiga moodulitele, isegi kui moodul on varem importinud s\u00fcmboleid \u201egplonly\u201c kategooriast. <\/p>\n

Arutelus oli ka esitatud<\/a><\/noindex> tagasip\u00f6\u00f6ramise blokeerimise ettepanek \u2014 kui moodul impordib EXPORT_SYMBOL_GPL s\u00fcmboleid, ei tohiks antud mooduli poolt eksporditud s\u00fcmboleid importida moodulid, mis ei declare GPL-iga \u00fchilduvust. See t\u00e4hendab, et kui moodul impordib EXPORT_SYMBOL_GPL s\u00fcmboleid, peavad k\u00f5ik tema eksporditavad s\u00fcmbolid olema k\u00e4sitletud kui EXPORT_SYMBOL_GPL. Christoph Helwig kirjutas<\/a><\/noindex>, kes on 100% sellega n\u00f5us, kuid selline muudatus ei saa Linus Torvaldselt rohelise tule, kuna see tooks kaasa suure osa tuuma alam s\u00fcsteemide muutumise k\u00e4ttesaamatuks patenteeritud draiveritele, kuna draiverite arendamisel seadistatakse baass\u00fcmbolid, mis on eksporditud GPL-i all.<\/p>\n

Muudatus tehti vastusena avaldamist<\/a><\/noindex> Facebooki inseneride pat\u0161isarjale, mis rakendab uut netgpu alam s\u00fcsteemi, mis v\u00f5imaldab korraldada andmevahetust (DMA
\nzero-copy) v\u00f5rkaartide ja GPU vahel, samal ajal CPU abil protokolli t\u00f6\u00f6tlemise tegemisel. Rahulolematus<\/a><\/noindex> arendajate seas tekitas k\u00e4ttesaadavus<\/a><\/noindex> rakendused ainult NVIDIA patenteeritud draiverite jaoks l\u00e4bi nende draiverite pakutud GPL-vahekihiga. Vastuseks , kuna termin replica on pigem seotud andmebaasidega ning moonutab t\u00e4hendust helis\u00fcsteemi kontekstis. L\u00f5puks valiti asendamiseks<\/a><\/noindex> pat\u0161ide autor mainis<\/a><\/noindex>, et alams\u00fcsteem ei ole seotud NVIDIA-ga ning selle toetust saab pakkuda ka AMD ja Intel GPU-dele suunatud programmide abil. L\u00f5ppkokkuv\u00f5ttes tunnistati netgpu edendamine tuumasse v\u00f5imatuks enne, kui vaba draiverite, nagu AMDGPU, Intel i915 v\u00f5i Nouveau, tugis\u00fcsteem on olemas. <\/p>\n

<\/a><\/noindex><\/p>\n

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

\u041a\u0440\u0438\u0441\u0442\u043e\u0444 \u0425\u0435\u043b\u0432\u0438\u0433 (Christoph Hellwig), \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u044f\u0434\u0440\u0430 Linux, \u0432 \u0441\u0432\u043e\u0451 \u0432\u0440\u0435\u043c\u044f \u0432\u0445\u043e\u0434\u0438\u0432\u0448\u0438\u0439 \u0432 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u043e\u043c\u0438\u0442\u0435\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 Linux Foundation \u0438 \u0432\u044b\u0441\u0442\u0443\u043f\u0430\u0432\u0448\u0438\u0439 \u0438\u0441\u0442\u0446\u043e\u043c \u0432 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u043e\u043c \u0441 GPL \u0441\u0443\u0434\u0435\u0431\u043d\u043e\u043c \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0435 \u0441 VMware, 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