Thaum Lub Rau Hli 17, 2019, qhov kev tso tawm loj tom ntej ntawm DragonFly BSD operating system, Release 56, tau tso tawm. Qhov kev tso tawm no coj kev txhim kho tseem ceeb rau Virtual Memory System, kev hloov kho tshiab rau Radeon thiab TTM, thiab kev txhim kho kev ua tau zoo rau HAMMER2.
DragonFly tau tsim nyob rau xyoo 2003 ua ib qho kev sib cais ntawm FreeBSD version 4. Ntawm ntau yam ntxwv ntawm lub operating system no, cov hauv qab no sawv tawm:
Lub kaw lus HAMMER2 ua haujlwm tau zoo txhawb kev sau ntawv rau ntau daim duab thaij ua ke, lub kaw lus quota hloov pauv tau (suav nrog cov directory quotas), kev sib piv ntxiv, kev nias raws li ntau yam algorithms, thiab kev sib piv ntau tus tswv. Lub tshuab sib koom ua ke tam sim no tab tom tsim kho.
Ib lub kernel sib xyaw ua ke raws li cov xov sib dua nrog lub peev xwm khiav ntau daim ntawv theej ntawm lub kernel ua cov txheej txheem hauv qhov chaw neeg siv.
Cov kev hloov pauv tseem ceeb ntawm kev tso tawm
Muaj ntau yam kev hloov pauv tau ua rau lub virtual memory subsystem, uas tau ua rau muaj kev ua tau zoo dua, txog li 40-70% rau qee hom kev ua haujlwm.
Muaj ntau yam kev hloov pauv rau Radeon DRM driver thiab TTM video memory management subsystem rau AMD GPUs.
Kev ua tau zoo dua ntawm HAMMER2 cov ntaub ntawv system.
Ntxiv kev txhawb nqa FUSE hauv qhov chaw neeg siv.
Kev cais cov ntaub ntawv ntawm lub kaw lus thiab tus neeg siv tau raug siv rau hauv CPU: SMAP (Supervisor Mode Access Prevention) thiab SMEP (Supervisor Mode Execution Prevention). Kev txhawb nqa los ntawm CPU yog qhov yuav tsum tau ua kom cov yam ntxwv no qhib tau.
Cov processors Intel tau siv kev tiv thaiv tawm tsam MDS (Microarchitectural Data Sampling) chav kawm tawm tsam. Qhov kev tiv thaiv no raug kaw los ntawm lub neej ntawd thiab yuav tsum tau qhib manually. Kev tiv thaiv Spectre raug qhib los ntawm lub neej ntawd.
Kev tsiv mus rau LibreSSL txuas ntxiv mus.
Cov qauv ntawm cov khoom siv OS thib peb tau hloov kho tshiab lawm.
Tau qhov twg los: linux.org.ru ua
