Bayan watanni takwas na ci gaba, an saki hypervisor Xen 4.15 kyauta. Kamfanoni irin su Amazon, Arm, Bitdefender, Citrix da EPAM Systems sun shiga cikin haɓaka sabon sakin. Sakin sabuntawa na reshen Xen 4.15 zai dawwama har zuwa 8 ga Oktoba, 2022, da kuma buga gyare-gyaren raunin har zuwa Afrilu 8, 2024.
Canje-canje masu mahimmanci a cikin Xen 4.15:
- Hanyoyin Xenstored da oxenstored suna ba da goyan bayan gwaji don sabuntawar rayuwa, ba da damar gyare-gyaren rashin ƙarfi da za a iya ba da su da kuma amfani da su ba tare da sake farawa da mahalli ba.
- Ƙara goyon baya don haɗakar hotunan taya, yana ba da damar ƙirƙirar hotunan tsarin da suka haɗa da abubuwan Xen. Wadannan hotuna an tattara su azaman binary EFI guda ɗaya wanda za'a iya amfani dashi don taya tsarin Xen mai gudana kai tsaye daga mai sarrafa taya EFI ba tare da matsakaitan bootloaders kamar GRUB ba. Hoton ya haɗa da abubuwan Xen kamar su hypervisor, kernel don mahalli (dom0), initrd, Xen KConfig, saitunan XSM da Bishiyar Na'ura.
- Don dandamali na ARM, an aiwatar da ikon gwaji don aiwatar da samfuran na'urori a gefen tsarin tsarin dom0, wanda ke ba da damar yin kwaikwayi na'urorin kayan aiki na sabani don tsarin baƙi dangane da gine-ginen ARM. Don ARM, an kuma aiwatar da goyan bayan SMMUv3 (Sashin Gudanar da Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwal ) ) wanda ya ba da damar ƙara tsaro da amincin isar da na'urar akan tsarin ARM.
- An ƙara ikon yin amfani da injin gano kayan masarufi na IPT (Intel Processor Trace), wanda ya bayyana yana farawa da Intel Broadwell CPU, don fitar da bayanai daga tsarin baƙo zuwa abubuwan amfani da ɓarna da ke gudana a gefen tsarin runduna. Misali, zaku iya amfani da VMI Kernel Fuzzer ko DRAKVUF Sandbox.
- Ƙara tallafi don mahallin Viridian (Hyper-V) don gudanar da baƙi Windows ta amfani da fiye da 64 VCPUs.
- An inganta Layer PV Shim, wanda aka yi amfani da shi don gudanar da tsarin baƙo na paravirtualized (PV) a cikin PVH da HVM (yana ba da damar tsofaffin tsarin baƙo suyi aiki a cikin mafi amintattun wurare waɗanda ke ba da keɓancewa). Sabuwar sigar ta inganta tallafi don gudanar da tsarin baƙo na PV a cikin mahalli waɗanda ke tallafawa yanayin HVM kawai. An rage girman mai shiga tsakani saboda rage takamaiman lambar HVM.
- An faɗaɗa ƙarfin direbobin VirtIO akan tsarin ARM. Don tsarin ARM, an ba da shawarar aiwatar da uwar garken IOREQ, wanda aka tsara don amfani da shi nan gaba don haɓaka haɓakar I / O ta amfani da ka'idojin VirtIO. An ƙara aiwatar da aiwatar da na'urar toshe VirtIO don ARM kuma ya ba da ikon tura na'urorin toshe VirtIO ga baƙi dangane da gine-ginen ARM. An fara kunna goyan bayan kamala na PCIe don ARM.
- Aiki yana ci gaba da aiwatar da tashar jiragen ruwa na Xen don masu sarrafa RISC-V. A halin yanzu, ana haɓaka lambar don sarrafa ƙwaƙwalwar ajiya a kan mai masaukin baki da gefen baƙi, da kuma ƙirƙirar lambar musamman ga gine-ginen RISC-V.
- Tare da aikin Zephyr, bisa ma'auni na MISRA_C, ana samar da tsarin buƙatu da ƙa'idodin ƙira na lamba waɗanda ke rage haɗarin matsalolin tsaro. Ana amfani da masu nazari a tsaye don gano sabani tare da ƙa'idodin da aka ƙirƙira.
- An ƙaddamar da ƙaddamarwar Hyperlaunch, da nufin samar da kayan aiki masu sassauƙa don daidaita ƙaddamar da saitin injunan kama-da-wane a lokacin taya tsarin. Ƙudurin ya ba da shawarar manufar domB (boot domain, dom0less), wanda ke ba ku damar yin ba tare da tura yanayin dom0 ba lokacin fara injunan kama-da-wane a farkon matakin boot ɗin uwar garken.
- Tsarin haɗin kai na ci gaba yana goyan bayan gwajin Xen akan Linux Alpine da Ubuntu 20.04. An dakatar da gwajin CentOS 6 na tushen QEMU gwajin dom0 / domU zuwa ci gaba da yanayin haɗin kai don ARM.
source: budenet.ru