Kusanda kuvela izindaba ukuthi endaweni yokugcina izinto lapho ukukhishwa kwe-kernel ye I-Linux 5.19 ithole enye isethi yezinguquko ehlobene nohlelo oluncane lwe-DRM (I-Direct Rendering Manager) kanye nezishayeli zezithombe.
Isethi yesichibi yamukelwa kuyathakazelisa ngoba kuhlanganisa imigqa yekhodi engu-495k, okuqhathaniswa nosayizi ophelele wezinguquko egatsheni le-kernel ngayinye (isibonelo, imigqa yekhodi engu-506k yengezwe ku-kernel 5.17).
sawubona linus
Lesi isicelo esiyinhloko sokudonsa kwe-drm ye-5.19-rc1.
Isifinyezo esijwayelekile ngezansi, i-Intel inike amandla i-DG2 kuma-SKU athile aphathekayo,
I-AMD iqale ukwesekwa okusha kwe-GPU, i-msm inezilawuli ze-VA ezinikezwe umsebenzisi.Izingxabano:
Ngihlangane nesihlahla sakho lapha emahoreni ambalwa edlule, kube nezingxabano ezimbili ze-i915
kodwa bekulula kakhulu ukuzixazulula ngakho-ke ngicabanga ukuthi ungakwazi ukuzisingatha.Azikho izinto eziningi ngaphandle kombuso wami lapha.
Njengenjwayelo ungazise uma kukhona inkinga,
Kushiwo ukuthi ku-patch eyamukelwe cishe imigqa engu-400 ifakiwe kuhlanganisiwe zivela kumafayela esihloko sedatha yerejista ye-ASIC ikhiqizwa ngokuzenzakalelayo kumshayeli we-AMD GPU.
Ngaphezu kwalokhu, kubuye kugqanyiswe ukuthi eminye imigqa eyizinkulungwane ezingama-22,5 inikeza ukuqaliswa kokuqala kokusekelwa kwe-AMD SoC21. Usayizi ophelele womshayeli we-AMD GPU weqe imigqa yekhodi eyizigidi ezi-4 (ukuqhathanisa, yonke i-Linux 1.0 kernel ihlanganisa imigqa yekhodi eyizinkulungwane eziyi-176, izinkulungwane ezingama-2,0 - 778, 2,4 - 3,4 million, 5,13 - 29,2 million). Ngaphezu kwe-SoC21, umshayeli we-AMD uhlanganisa ukusekelwa kwe-SMU 13.x (Iyunithi Yokuphathwa Kwesistimu), ukusekelwa okubuyekeziwe kwe-USB-C ne-GPUVM, futhi ulungele ukusekela isizukulwane esilandelayo se-RDNA3 (RX 7000) kanye ne-CDNA (umzwelo we-AMD) .
Kumshayeli we-Intel, izinguquko eziningi kakhulu (izinkulungwane ezingu-5,6) ikukhodi yokuphatha amandla. Kuphinde kwengezwe omazisi bomshayeli be-Intel be-Intel DG2 (Arc Alchemist) GPUs asetshenziswa kumakhompyutha aphathekayo, banikeze ukwesekwa kokuqala kwe-Intel Raptor Platform Lake-P (RPL-P), yengeza imininingwane mayelana namakhadi ehluzo e-Arctic Sound-M, esetshenziswe i-ABI yezinjini zekhompyutha, yengeze ukusekelwa kwefomethi ye-Tile4 yamakhadi e-DG2, kwasetshenziswa ukusekelwa kwe-DisplayPort HDR kumasistimu asekelwe ku-Haswell microarchitecture.
Ngenkathi kusengxenyeni ye- isilawuli esisha, inani, izinguquko zithinte cishe imigqa yekhodi eyikhulu (ushintsho lwenziwe ukuze kusetshenziswe umshayeli we-drm_gem_plane_helper_prepare_fb, kwasetshenziswa isabelo sememori emile kwezinye izakhiwo nokuguquguqukayo). Mayelana nokusetshenziswa kwamamojula we-Nouveau kernel yomthombo ovulekile we-NVIDIA, umsebenzi kuze kube manje wehliselwe ekuhlonzeni nasekususeni iziphazamisi. Ngokuzayo, kuhlelwe ukusebenzisa i-firmware ekhishwe ukuthuthukisa ukusebenza kwesilawuli.
Uma ufuna ukwazi okwengeziwe mayelana nezinguquko ezihlongozwayo zenguqulo elandelayo ye-Linux 5.19, ungabheka imininingwane ku- isixhumanisi esilandelayo.
Okokugcina, Kuhle futhi ukubalula ukuthi ubungozi busanda kuhlonzwa (I-CVE-2022-1729) ku-Linux kernel engavumela umsebenzisi wendawo ukuthi athole ukufinyelela kwezimpande ohlelweni.
Ukuba sengozini kubangelwa isimo somjaho ku-perf subsystem, engasetshenziswa ukuqalisa ukufinyelela endaweni esivele ikhululiwe yenkumbulo ye-kernel (ukusetshenziswa ngemva kwamahhala). Inkinga ibonakale selokhu kwakhululwa i-kernel 4.0-rc1. Ukusebenziseka kuqinisekisiwe ezinguqulweni ezingu-5.4.193+.
lesi isimemezelo sobungozi obusanda kubikwa (CVE-2022-1729) ohlelweni olungaphansi lwe-perf kwe-Linux kernel. Inkinga yisimo somjaho esaboniswa sivumela ilungelo lendawo ukukhuphukela kumpande enguqulweni yamanje ye-kernel >= 5.4.193, kodwa iphutha libonakala likhona kusuka ku-kernel inguqulo 4.0-rc1 (isichibi silungisa ukuzinikela kwale nguqulo).
Ngenhlanhla, ukusatshalaliswa kweLinux okukhulu kuvame ukukhawulela ukusetshenziswa kwe-perf kubasebenzisi abangenamalungelo ngokuthi ukusetha i-sysctl variable kernel.perf_event_paranoid >= 3, imele ngempumelelo ubungozi obungenabungozi.
Ukulungiswa okwamanje kutholakala kuphela njengepheshi. Ingozi yokuba sengozini incishiswa iqiniso lokuthi ukusabalalisa okuningi kukhawulela ukufinyelela ku-perf kubasebenzisi abangenamalungelo ngokuzenzakalelayo. Njengokulungisa ukuphepha, ungasetha ipharamitha ye-sysctl kernel.perf_event_paranoid ibe ngu-3.