cvs commit: src/sys/i386/acpica acpi_wakeup.c

Andrea Campi andrea at webcom.it
Tue Jul 22 03:43:58 PDT 2003


On Mon, Jul 21, 2003 at 01:59:28PM -0700, Peter Wemm wrote:
>   Modified files:
>     sys/i386/acpica      acpi_wakeup.c 
>   Log:
>   Commit Ian Dowse's workaround for acpi resume resetting after the
>   LAZY_SWITCH changes.  He pointed out the acpi code sets up an identity
>   mapping in the current vmspace and that got messed up by the %cr3 being
>   out of sync with the current page directory.  As a workaround, restore
>   %cr3 across the sleep/resume.  A more complete fix would be to undo the
>   lazy state and clear the pm_active bit from the borrowed pmap, but this
>   works and people are currently hurting.  I'll clean this up.
>   This is mostly Ian's patch, plus a PAE tweak from me.

Thanks! This indeed fixes the issue I told you about.

Bye,
	Andrea

-- 
              To boldly go where I surely don't belong.


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