x86: use generic register name in the thread and tss structures

This changes size-specific register names (eip/rip, esp/rsp, etc.) to
generic names in the thread and tss structures.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 5db2a16..235cd61 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -691,7 +691,7 @@
 		BUG();
 	enter_lazy_tlb(&init_mm, curr);
 
-	load_esp0(t, thread);
+	load_sp0(t, thread);
 	set_tss_desc(cpu,t);
 	load_TR_desc();
 	load_LDT(&init_mm.context);