Re: [Xen-devel] Re: Paravirtualizing bits of acpi access

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Tian, Kevin wrote:
> > Though, come to think of it, perhaps there's no harm in letting the 
> > kernel do its own state-saving.  I'll check.
> >     
> Well, I guess it's doable, since do_suspend_lowlevel also needs
> to restore processor context upon S3 failure (function return from
> acpi_enter_sleep_state instead of from wakeup stub). 
From a quick look, it seems that all the instructions in the restore 
code are ones that Xen will trap and emulate; but with this kind of 
thing, its all in the testing...
   J

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