Hi!
> > How can that work? restore_args ends with iret, anyway, and iret does
> > reload esp afaics...
>
> ... only if there's an IPL change during the iret. Page 3-321 of 24319102.pdf
> from Intel:
>
> [..] If the return is to another privilege level, the IRET instruction
> also pops the stack pointer and SS from the stack, before resuming
> program execution. [..]
Is this different on x86-64 in long mode?
Pavel
-- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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