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Re: isapnp probe is slow
On Sun, Mar 30, 2008 at 10:25:48AM +0900, Joerg Sonnenberger wrote:
> On Sat, Mar 29, 2008 at 06:12:09PM +0000, Andrew Doran wrote:
> > Would disabling isapnp based on the age of the system make sense?
> I think you can skip it completely if ACPI is attached.
Whyso? I thought about that and I'm not so sure, because there are older
machines with ACPI. Incidentally, it would probably be a good idea to not
attach ACPI on older systems, based on the BIOS date like FreeBSD does.
To refine the SMBIOS idea a bit, perhaps we could skip the ISAPNP probe if:
- the machine has SMBIOS
- SMBIOS has valid entries describing expansion slots
- none of those entries describe an ISA/EISA slot
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