Hi, does somebody had time to review this patch series ?
Does I need to rework it ? Any commment ? Regards, Alexandre Le mercredi 24 août 2022 à 13:34 +0200, Alexandre Derumier a écrit : > This patch add virtio-mem support, through a new maxmemory option. > > a 4GB static memory is needed for DMA+boot memory, as this memory > is almost always un-unpluggeable. > > 1 virtio-mem pci device is setup for each numa node on pci.4 bridge > > virtio-mem use a fixed blocksize with 32k max blocksize, > so blocksize is computed from the maxmemory/32000 with a minimum of > 2MB to map THP. > (lower blocksize = more chance to unplug memory). > > guests tested: > - ubuntu 22.04 : kernel 5.15 : works out of the box > - debian11: kernel 5.10 : don't display new memory value > > more info about virtio-mem: > https://antiphishing.cetsi.fr/proxy/v3?i=RTNLd2NGeE1RTDFrR25iaMqX4l6Z4vdhOnd7odh9trs&r=ZnVkMm1UMHFmWHNzejI1TlfXqTIFgoT3RRT8SRpkUCzNU_sadVHVE4gmJHKxU2tEI-v-lvK2LprrEOT08up8vw&f=UU1XcHkxazJBTmIySlBBMWR_zLcv5a0_cIOSeWbIK2KapikXx8zXaPqWjlzjA2kV1Dznkr2dclNPHmvBavMw9A&u=https%3A//virtio-mem.gitlab.io/&k=ywmE > > > Changelog v2: > > - Allow only multiple of 32MB for memory. With lower values, guest > sometimes > hang. I have tested with step of 32MB from 4G to 768G, it's > working fine. > > - rebase tests > > Alexandre Derumier (2): > add virtio-mem support > tests: add virtio-mem tests > > PVE/QemuServer.pm | 9 +- > PVE/QemuServer/Memory.pm | 133 +++++++++++++++--- > -- > PVE/QemuServer/PCI.pm | 8 ++ > test/cfg2cmd/simple-virtio-mem-big.conf | 12 ++ > test/cfg2cmd/simple-virtio-mem-big.conf.cmd | 59 +++++++++ > test/cfg2cmd/simple-virtio-mem.conf | 13 ++ > test/cfg2cmd/simple-virtio-mem.conf.cmd | 31 +++++ > 7 files changed, 236 insertions(+), 29 deletions(-) > create mode 100644 test/cfg2cmd/simple-virtio-mem-big.conf > create mode 100644 test/cfg2cmd/simple-virtio-mem-big.conf.cmd > create mode 100644 test/cfg2cmd/simple-virtio-mem.conf > create mode 100644 test/cfg2cmd/simple-virtio-mem.conf.cmd > _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
