RE: [Xen-devel] [PATCH] new hvm platform vhpet enable parameter

["Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx>]

> Yes, tools/firmware/hvmloader/acpi/dsdt.asl. The right way to 
> do this will
> be to gate it on a flag set up in memory by hvmloader (we 
> already do this
> e.g., for com1 and com2 -- see construct_bios_info_table() in 
> build.c in the
> same directory). That might be a bit tricky as it probably 
> needs a bit of
> ASL hacking, which has a little learning curve. I can take a 
> look maybe next
> week.

OK, here's the updated patch:
1) hpet instead of vhpet
2) against 3.2-testing tip

This will work without the acpi changes so could be checked in
independently.  Though it may be a bit misleading for the
guest to print out that it found an hpet in acpi and then
be unable to use it, the acpi part is largely cosmetic
and (as you point out) a bit tricky so better left for
your capable hands.

Thanks,
Dan

Attachment: hpet.patch
Description: Binary data

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