On Wed, Jul 03, 2013 at 03:08:34AM +0000, Libaiqing wrote: > Hi asias, > I'm testing vhost-blk,for comparimg the performance with virtio-blk. > I got the kernel patch from this mail: https://lkml.org/lkml/2012/12/1/174
You can find the latest vhost-blk kernel bits here: git://github.com/asias/linux.git blk.vhost-blk > And I got the userspace code for qemu from this git: > https://github.com/asias/qemu/tree/blk.vhost-blk; > Used vhost-blk device as non-bootable device,the configuration is : > Qemu-kvm -enable-kvm -name win7 -M pc-0.15 -m 1024 -smp 2 -boot c > -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive > file=/home/fedora188.img,if=virtio,index=0,format=raw -drive > file=/home/fedora18.img,if=virtio,index=1,format=raw,id=hd,vhost=on > -monitor stdio -vga qxl -vnc :1 -device usb-tablet,id=input0 Please use raw block device for vhost-blk. > On fedora17 host,I used kernel 3.6.3 for building vhos_blk module,but the > vm will hang when vm starting. > > 1 Is there any new patch for kernel 3.8 3.10? > 2 which version of the kernel is suitable for the current kernel patch? > > Could you give me some advise to debug this problem ? I can provide more > information if need. > Or could you give me some advise to run vhost-blk,such as RHEL > version,kernel version and so on? I recommend you to use the kernel I provided above for both guest and host. > Thanks > Baiqing. -- Asias
