Re: [Xen-users] ubuntu13.04 host and ubuntu13.04 guest how to config the pvscsi

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Sat, Apr 27, 2013 at 02:49:45AM +0100, é æ wrote:
> Hi, Wei Liu !
> 
> This is what it show to me.
> 
> root@ubuntu:/boot# grep XEN config-3.8.0-19-generic
> CONFIG_XEN=y
> CONFIG_XEN_DOM0=y
> CONFIG_XEN_PRIVILEGED_GUEST=y
> CONFIG_XEN_PVHVM=y
> CONFIG_XEN_MAX_DOMAIN_MEMORY=500
> CONFIG_XEN_SAVE_RESTORE=y
> # CONFIG_XEN_DEBUG_FS is not set
> CONFIG_PCI_XEN=y
> CONFIG_XEN_PCIDEV_FRONTEND=m
> CONFIG_XEN_BLKDEV_FRONTEND=y
> CONFIG_XEN_BLKDEV_BACKEND=m
> CONFIG_NETXEN_NIC=m
> CONFIG_XEN_NETDEV_FRONTEND=y
> CONFIG_XEN_NETDEV_BACKEND=m
> CONFIG_INPUT_XEN_KBDDEV_FRONTEND=m
> CONFIG_HVC_XEN=y
> CONFIG_HVC_XEN_FRONTEND=y
> CONFIG_XEN_WDT=m
> CONFIG_XEN_FBDEV_FRONTEND=m
> CONFIG_XEN_BALLOON=y
> CONFIG_XEN_SELFBALLOONING=y
> CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y
> CONFIG_XEN_SCRUB_PAGES=y
> CONFIG_XEN_DEV_EVTCHN=m
> CONFIG_XEN_BACKEND=y
> CONFIG_XENFS=m
> CONFIG_XEN_COMPAT_XENFS=y
> CONFIG_XEN_SYS_HYPERVISOR=y
> CONFIG_XEN_XENBUS_FRONTEND=y
> CONFIG_XEN_GNTDEV=m
> CONFIG_XEN_GRANT_DEV_ALLOC=m
> CONFIG_SWIOTLB_XEN=y
> CONFIG_XEN_TMEM=y
> CONFIG_XEN_PCIDEV_BACKEND=m
> CONFIG_XEN_PRIVCMD=m
> CONFIG_XEN_ACPI_PROCESSOR=y
> CONFIG_XEN_MCE_LOG=y
> CONFIG_XEN_HAVE_PVMMU=y
> 
> 
> And I don't find the word "PVSCSI". Does it demonstrate my kernel don't have 
> PVSCSI complied ?  And could I compile my kernel to make it work ?
> And if we use PVSCSI, could it improves the PVHVM disk IO performance? And 
> other benefit?
> 

Your kernel doesn't have PVSCSI support. I just checked mainline source
code, PVSCSI doesn't seem to be upstreamed yet.

TBH I've nerver played with PVSCSI before. Do you see any performance
problem with blkback?


Wei.

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxx
http://lists.xen.org/xen-users