Re: [PATCH v2 1/2] x86/acpi: add retrieval function for rsdp address

From: Andy Shevchenko
Date: Fri Jan 26 2018 - 13:08:31 EST


On Thu, Jan 25, 2018 at 4:36 PM, Juergen Gross <jgross@xxxxxxxx> wrote:
> Add a function to get the address of the RSDP table. Per default use a
> __weak annotated function being a nop.

The problem with weak functions that we can't have more than one
implementation per kernel while we would like to built several code
paths.

I have stumbled on the similar stuff and realize that.

Perhaps, one of the solution is to have an additional struct under
x86_init to alternate ACPI related stuff.

--
With Best Regards,
Andy Shevchenko