On Apr 19, 2008, at 6:07 AM, Gerhard Pircher wrote:
Original-Nachricht
Datum: Thu, 17 Apr 2008 21:57:05 -0500 (CDT)
Von: Kumar Gala <[EMAIL PROTECTED]>
An: Paul Mackerras <[EMAIL PROTECTED]>
CC: linuxppc-dev@ozlabs.org
Betreff: [PATCH] [POWERPC] Port fixmap from
Original-Nachricht
> Datum: Thu, 17 Apr 2008 21:57:05 -0500 (CDT)
> Von: Kumar Gala <[EMAIL PROTECTED]>
> An: Paul Mackerras <[EMAIL PROTECTED]>
> CC: linuxppc-dev@ozlabs.org
> Betreff: [PATCH] [POWERPC] Port fixmap from x86 and use for kmap_atomic
The fixmap code from x86 allows us to have compile time virtual addresses
that we change the physical addresses of at run time.
This is useful for applications like kmap_atomic, PCI config that is done
via direct memory map, kexec/kdump.
We got ride of CONFIG_HIGHMEM_START as we can now determine