On Friday 09 November 2007 01:19, Jeremy Fitzhardinge wrote:
> Andi Kleen wrote:
> > The only problem is that there might be some code who relies on
> > restore_flags() restoring other flags that IF, but at least for
> > interrupts and local_irq_save/restore it should be fine to change.
>
> I don't think so. We don't bother to save/restore the other flags in
> Xen paravirt and it doesn't seem to cause a problem. The semantics
> really are specific to the state of the interrupt flag.
Yes i checked the code and only case I found is actually save_flags, not
restore_flags
(and that particular case is even unnecessary)
-Andi
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