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x86: de-macro start_thread()

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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar
2008-02-21 05:18:40 +01:00
parent 1180e01de5
commit 513ad84bf6
3 changed files with 33 additions and 26 deletions
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15
arch/x86/kernel/process_64.c
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@@ -528,6 +528,21 @@ out:
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
*/