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

Re: [Xen-devel] [PATCH LINUX RFC] xen: privcmd: implement IOCTL_PRIVCMD_MMAPBATCH_V2_UNCACHED



On Wed, 2013-12-18 at 16:16 -0500, Konrad Rzeszutek Wilk wrote:
> On Wed, Dec 18, 2013 at 05:30:37PM +0000, Ian Campbell wrote:
> > On ARM we want to use uncached foreign mappings while building the domain
> > because the guests start with MMU and caches disabled.
> > 
> 
> Why introduce a new ioctl? Could we piggyback on the old one and on ARM
> do the uncached.

Because there are (going to be) other circumstances where we do want a
cached foreign mapping, specifically migration.

Ian.


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


 


Rackspace

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