linux/arch/powerpc
Benjamin Herrenschmidt 7752035180 powerpc/mm: Runtime allocation of mmu context maps for nohash CPUs
This makes the MMU context code used for CPUs with no hash table
(except 603) dynamically allocate the various maps used to track
the state of contexts.

Only the main free map and CPU 0 stale map are allocated at boot
time.  Other CPU maps are allocated when those CPUs are brought up
and freed if they are unplugged.

This also moves the initialization of the MMU context management
slightly later during the boot process, which should be fine as
it's really only needed when userland if first started anyways.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-12-21 14:21:16 +11:00
..
boot Merge branch 'next' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx into next 2008-12-17 11:01:43 +11:00
configs Merge branch 'next' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx into next 2008-12-17 11:01:43 +11:00
include/asm powerpc/mm: Split low level tlb invalidate for nohash processors 2008-12-21 14:21:16 +11:00
kernel powerpc/mm: Runtime allocation of mmu context maps for nohash CPUs 2008-12-21 14:21:16 +11:00
kvm powerpc/mm: Split low level tlb invalidate for nohash processors 2008-12-21 14:21:16 +11:00
lib powerpc: Rename struct vm_region to avoid conflict with NOMMU 2008-12-21 14:21:14 +11:00
math-emu powerpc: Add SPE/EFP math emulation for E500v1/v2 processors. 2008-12-03 08:19:16 -06:00
mm powerpc/mm: Runtime allocation of mmu context maps for nohash CPUs 2008-12-21 14:21:16 +11:00
oprofile powerpc/cell/OProfile: Fix on-stack array size in activate spu profiling function 2008-10-31 16:13:51 +11:00
platforms powerpc/mm: Introduce MMU features 2008-12-21 14:21:16 +11:00
sysdev powerpc/4xx: Extended DCR support v2 2008-12-21 14:21:15 +11:00
xmon powerpc: Fix compile errors with CONFIG_BUG=n 2008-10-31 21:34:09 +11:00
Kconfig powerpc: Add sync_*_for_* to dma_ops 2008-12-03 20:46:36 +11:00
Kconfig.debug powerpc: Allow the max stack trace depth to be configured 2008-12-03 20:46:35 +11:00
Makefile powerpc: Remove unncessary SPE related compiler flag 2008-12-03 08:19:10 -06:00