Re: Loading DSDT from initrd, can it be done from grub instead?

From: Gabriel C
Date: Tue May 20 2008 - 08:10:28 EST

Alan Jenkins wrote:

> David Härdeman wrote:
>> In commit 9a9e0d685553af76cb6ae2af93cca4913e7fcd47 the
>> ACPI_CUSTOM_DSDT_INITRD option was removed.
>> I was wondering if it'd be feasible to hack grub to load a custom DSDT
>> instead (since grub can read filesystems) and then pass a pointer to a
>> memory location containing the DSDT to the kernel?
> Um, why? What stops you from reverting the offending commit?
> Without further info, I'd assume the feature was removed on policy
> grounds. I.e. it's not nice to be effectively patching the BIOS
> yourself, and vendors have fixed most of their BIOS's / linux is
> slightly more tolerant to broken ones. I don't know whats wrong with
> reading files from the initrd.

It was reverted because the code was not really ready and caused some problems.

> Alan


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