278 	struct thread_struct *next = &next_p->thread;  in __switch_to()  local
280 	struct fpu *next_fpu = &next->fpu;  in __switch_to()
300 	load_TLS(next, cpu);  in __switch_to()
326 	if (unlikely(next->es | prev->es))  in __switch_to()
327 		loadsegment(es, next->es);  in __switch_to()
330 	if (unlikely(next->ds | prev->ds))  in __switch_to()
331 		loadsegment(ds, next->ds);  in __switch_to()
368 	if (unlikely(fsindex | next->fsindex | prev->fs)) {  in __switch_to()
369 		loadsegment(fs, next->fsindex);  in __switch_to()
383 	if (next->fs)  in __switch_to()
384 		wrmsrl(MSR_FS_BASE, next->fs);  in __switch_to()
387 	if (unlikely(gsindex | next->gsindex | prev->gs)) {  in __switch_to()
388 		load_gs_index(next->gsindex);  in __switch_to()
394 	if (next->gs)  in __switch_to()
395 		wrmsrl(MSR_KERNEL_GS_BASE, next->gs);  in __switch_to()
406 	load_sp0(tss, next);  in __switch_to()
422 		     prev->iopl != next->iopl))  in __switch_to()
423 		xen_set_iopl_mask(next->iopl);  in __switch_to()