> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Friday, January 09, 2015 5:24 PM > > >>> On 09.01.15 at 03:29, <kevin.t...@intel.com> wrote: > >> From: Jan Beulich [mailto:jbeul...@suse.com] > >> Sent: Thursday, January 08, 2015 8:59 PM > >> > >> >>> On 08.01.15 at 13:49, <george.dun...@eu.citrix.com> wrote: > >> > One question: where are these RMRRs typically located in memory? > Are > >> > they normally up in the MMIO region? Or can they occur anywhere > (even > >> > in really low areas, say, under 1GiB)? > >> > >> They would typically sit in the MMIO hole or below 1Mb; that latter case > >> is particularly problematic as it might conflict with what we want to put > >> there (BIOS etc). > >> > > > > and later case is not solvable, which is then related to other discussion > > whether > > we want to fail such case > > That latter case is partially solvable: The BIOS put below 1Mb has a > permanent and a transient part. Dealing with the transient part > overlapping an RMRR ought to be possible (e.g. by delaying the > actual device assignment until the point where hvmloader knows it > is safe to do). An overlap of the permanent part with an RMRR is of > course fatal. >
yes, but that type of changes are tricky, and since it's only partial so not worthy of doing so. :-) Thanks Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
