Using a custom DSDT with Fedora

[Dan Williams]

On Sun, 2006-10-08 at 22:16 +0100, Richard Hughes wrote:
> I've just spend a couple of hours fixing my BIOS :
> http://hughsient.livejournal.com/5884.html
> 
> To do this, I needed to re-write the _BIF and _BST ACPI methods to
> actually interface with the hardware in a sane way.
> 
> Using Ubuntu or SUSE, using a new dsdt would be as easy as adding it to
> the initrd. BUT on Fedora you have to build a custom kernel (not
> trivial), patch it to add the custom dsdt functionality, add the dsdt to

Is it really that hard to:

1) grab the desired kernel .src.rpm, install it as normal
2) cd to /usr/src/redhat/SPECS
3) Add your patch to the specfile, copy it to /usr/src/redhat/SOURCES
5) rpmbuild -ba --target i386 <kernel.spec>

?  or am I missing some steps/complications?

Dan

> the initrd and then boot this new custom kernel.
> 
> I do understand the policy of not including random patches to the kernel
> source, but given:
> 
> * There are lots (hundreds?) of existing out-of-tree patches to the
> default fedora kernel.
> * Most of the the other big distros allow a user to load custom dsdt's
> * The feature is already used by thousands of users.
> * Installing a random dsdt into the initrd isn't the sort of thing you
> can you trivially or accidentally.
> 
> So, is there any good reason this feature isn't available on the Fedora
> kernel? Thanks.
> 
> Richard.
> 
>