[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] xen socket buffer allocation fix for non-privileged domain

On 15 Jun 2006, at 12:01, Isaku Yamahata wrote:

socket buffer need not to be machine-contiguous for non-priveleged domain. populate physmap hypercall fails with extent order > 0 for non-privileged
On non-privileged domain of Xen/IA64, this caused some trobles.

I put this in for now but, in general the SIF_PRIVILEGED flag is only set for domain0 and not for other driver domains. Your problem is probably that the guest gives up memory and then cannot reclaim it when the get-contiguous-region request fails, so it then crashes. I'm fixing this by adding an atomic memory-exchange hypercall -- when I've added that you can fix up your create_contiguous_region and I'll remove this change to the skbuff allocation code.

 -- Keir

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.