> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Tuesday, January 26, 2016 12:19 AM > > When mapping large BARs (e.g. the frame buffer of a graphics card) the > overhead of establishing such mappings using only 4k pages has, > particularly after the XSA-125 fix, become unacceptable. Alter the > XEN_DOMCTL_memory_mapping semantics once again, so that there's no > longer a fixed amount of guest frames that represents the upper limit > of what a single invocation can map. Instead bound execution time by > limiting the number of iterations (regardless of page size). > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Acked-by: Kevin Tian <kevin.t...@intel.com> for VMX part. Curious. When you say "become unacceptable", how bad is it? mostly impact the boot time? Thanks Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
