Bayan watanni takwas na cigaba sabon sigar na kyauta mai kyauta Xen 4.15 an sake shi yanzu kuma a cikin wannan sabon sigar sabuntawar reshe na Xen 4.15 zai kasance har zuwa Oktoba 8, 2022 da kuma wallafe-wallafen gyara yanayin rauni har zuwa Afrilu 8, 2024.
Ga waɗanda ba su san Xen ba, ya kamata ku san hakan mai saka idanu ne na kayan masarufi na bude ido ci gaba da Jami'ar Cambridge. Manufar ƙira shine a sami damar gudanar da cikakkun lokutan aiki na tsarin aiki a cikin cikakkiyar hanyar aiki akan kwamfuta guda ɗaya.
Xen yana ba da amintaccen keɓewa, sarrafa albarkatu, ingancin garantin sabis da ƙaura mai inji mai ƙaura. Za'a iya canza tsarin aiki a bayyane don gudanar da Xen (yayin riƙe daidaituwa tare da aikace-aikacen mai amfani).
Babban sabon fasali a cikin Xen 4.15
A cikin wannan sabon sigar a cikin matakai Xenstored da Oxenstored sun ƙara goyan bayan gwaji don sabunta rayuwa, ba da damar gabatarwa da amfani da shi ba tare da sake kunna yanayin mahalarta ba, ƙari supportara tallafi don ɗayan hotunan taya, ba ka damar ƙirƙirar hotunan tsarin da ya haɗa da abubuwan haɗin Xen. Wadannan hotunan an shirya su azaman binary EFI ɗaya wanda za'a iya amfani dashi don kora tsarin Xen mai gudana kai tsaye daga mai sarrafa boot na EFI ba tare da matsakaitan masu ɗora boot kamar GRUB ba. Hoton ya haɗa da abubuwan haɗin Xen kamar hypervisor, kernel don mahalli mai masauki (dom0), initrd, Xen KConfig, daidaitawar XSM, da bishiyar na'urar.
Don dandamali ARM, ana aiwatar da yiwuwar gwaji don tafiyar da samfuran na'urori akan tsarin mai karɓar gidan dom0, kyale kwaikwayon kayan masarufi na kayan kwalliya don tsarin baƙi bisa tsarin ARM. Don ARM, ana aiwatar da tallafi ga SMMUv3 (Tsarin Memory Management Unit), wanda ke inganta tsaro da amincin na'urorin turawa a cikin tsarin ARM.
Hakanan zamu iya samun hakan abilityara ikon amfani da tsarin bin diddigin kayan aikin IPT (Intel Processor Trace), wanda ya fara farawa tare da Intel Broadwell CPU, don fitar da bayanai daga tsarin baƙi don lalata abubuwan amfani waɗanda ke gudana a gefen tsarin mai masaukin. Misali, zaka iya amfani da VMI Kernel Fuzzer ko DRAKVUF Sandbox.
Ara tallafi don yanayin Viridian (Hyper-V) don gudanar da baƙan Windows ta amfani da fiye da 64 CPU CPU da PV Shim Layer sake fasalin ana amfani da shi don gudanar da baƙi marasa daidaituwa (PV) a cikin yanayin PVH da HVM (yana bawa tsofaffin baƙi damar yin aiki a cikin amintattun muhallin da ke ba da ƙarin keɓewa mai tsauri). Sabuwar sigar ingantaccen tallafi don tafiyar da tsarin baƙo na PV a cikin yanayin da kawai ke tallafawa yanayin HVM. Rage girman girman interlayer, godiya ga rage takamaiman lambar HVM.
Daga sauran canje-canjen da suka yi fice:
- Tare da aikin Zephyr, ana ci gaba da jerin abubuwan buƙatun lamba da jagororin da ke kan mizanin MISRA_C don rage haɗarin al'amuran tsaro. Ana amfani da masu nazarin tsaye don gano saɓani tare da dokokin da aka ƙirƙira.
- An gabatar da shirin Hyperlaunch don samar da kayan aiki masu sassauƙa don saita tsayayyun saiti na injunan kama-da-wane don yin aiki a lokacin taya.
- Ofarfin masu kula da VirtIO akan tsarin ARM ya haɓaka yayin da ake gabatar da aiwatar da uwar garken IOREQ, wanda aka shirya amfani da shi a nan gaba don haɓaka I / O ƙwarewa ta amfani da ladabi na VirtIO.
- Ana ci gaba da aiki a kan aiwatar da tashar Xen don masu sarrafa RISC-V. A halin yanzu, ana kirkirar lamba don gudanar da ƙwaƙwalwar ajiya ta ainihi a kan mai masaukin baki da ɓangaren baƙi, tare da ƙirƙirar lamba takamaiman tsarin RISC-V.
- Initiativeaddamarwar ta gabatar da manufar domB (yankin boot, dom0less), wanda ke ba da damar yin amfani da shi tare da aiwatar da yanayin dom0 lokacin fara injunan kama-da-wane a farkon matakin fara uwar garken.
- Cigaba da hadewa ya sanya gwajin Xen akan Alpine Linux da Ubuntu 20.04.
- An zubar da gwajin CentOS 6.
- QEMU-based dom0 / domU gwaje-gwaje an kara su zuwa yanayin haɗin haɗin kai na ARM.
A ƙarshe, idan kuna son ƙarin sani game da shi, kuna iya bincika cikakkun bayanai A cikin mahaɗin mai zuwa.