RE: [PATCH] acpi: fix early DSDT dmi check warnings on ia64

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On Fri, 2010-04-30 at 06:12 +0800, Luck, Tony wrote:
> >There is not clue in the commit that added this to ia64 as to why
> >dmi_scan_machine() was added as an initcall.  I just tried to move
> >it into setup_arch() - immediately after the efi_init() call as in
> >x86 - and my system hung without printing anything in boot.
> >
> >Agreed this would be a better fix.  I'll see if I can figure out
> >what this call depends on, and so whether I can move is a bit later,
> >but still early enough to be available for Ming's code to work.
> 
> At a random mid-point in setup_arch() I got a lot of errors from
> slub about not being able to allocate memory.  At the very end of
> setup_arch() (after paging_init()) it still failed - with a deref
> NULL inside kmem_alloc().
> 
> So it seems to be non-trivial to just move dmi_scan_machine()
> earlier on ia64 :-(

Sorry for late response, I'm just back from holiday.

Len, 
Can you apply the patch since dmi_available check is needed for ia64?

Thanks,
Lin Ming

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