Asus motherboards have recently had problems with SMBus functionality. To make a
long story short, ASUS motherboard bioses default to hiding the SMBus. In
response, a patch was originally written back in kernel 2.4 in quirks.c to
uncloak the SMBus. However, this patch ended up conflicting with ACPI support,
so the patch is now removed at the kernel configuration stage whenever ACPI
support is used.

Since the Fedora kernels turn on ACPI support, as a result the SMBus is not
available for ASUS motherboards running on Fedora stock kernels.

Luckily, a revised patch has recently been developed by Alan Cox that avoids
these problems.
(See the following thread for details: http://lkml.org/lkml/2006/12/4/233)

Would it be possible to include this patch in the next kernel update so that
ASUS motherboard users like myself can use the SMBus functionality?

In particular, I would like to once again use lmsensors which depends on the
SMBus (and I would like to avoid recompiling a custom kernel...)

Thanks