x86: de-macro start_thread()
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 46c4c54..1ffce14 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -528,6 +528,21 @@
return err;
}
+void
+start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
+{
+ asm volatile("movl %0, %%fs; movl %0, %%es; movl %0, %%ds" :: "r"(0));
+ load_gs_index(0);
+ regs->ip = new_ip;
+ regs->sp = new_sp;
+ write_pda(oldrsp, new_sp);
+ regs->cs = __USER_CS;
+ regs->ss = __USER_DS;
+ regs->flags = 0x200;
+ set_fs(USER_DS);
+}
+EXPORT_SYMBOL_GPL(start_thread);
+
/*
* This special macro can be used to load a debugging register
*/
