K 10 svn:author V 6 cherry K 8 svn:date V 27 2013-04-24T19:47:00.041583Z K 7 svn:log V 314 Context switch now merges current userland VA into kernel context. fpu context is handled during context switch. ldt related assembler cruft removed - this is already implemented via call to xen_set_ldt() userland tls register context is conditionally fixed up during context switch. Approved by: gibbs(implicit) END