On 02/02/16 15:14, Jan Beulich wrote: > This went unnoticed until a backport of this to an older Xen got used, > causing migration of guests enabling this VM assist to fail, because > page table pinning there precedes vCPU context loading, and hence L4 > tables get initialized for the wrong mode. Fix this by post-processing > L4 tables when setting the intended VM assist flags for the guest. > > Note that this leaves in place a dependency on vCPU 0 getting its guest > context restored first, but afaict the logic here is not the only thing > depending on that. > > Signed-off-by: Jan Beulich <jbeul...@suse.com> > --- > v2: Avoid entering the loop when strict mode was already before, which > in turn requires deferring the assignment to d->vm_assist until > after the loop.
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
