linux/arch
Kumar Gala 85218827cc [POWERPC] Add IRQSTACKS support on ppc32
This makes it possible to use separate stacks for hard and soft IRQs
on 32-bit powerpc as well as on 64-bit.  The code for 32-bit is just
the 32-bit analog of the 64-bit code.

* Added allocation and initialization of the irq stacks.  We limit the
  stacks to be in lowmem for ppc32.
* Implemented ppc32 versions of call_do_softirq() and call_handle_irq()
  to switch the stack pointers
* Reworked how we do stack overflow detection.  We now keep around the
  limit of the stack in the thread_struct and compare against the limit
  to see if we've overflowed.  We can now use this on ppc64 if desired.

[ paulus@samba.org: Fixed bug on 6xx where we need to reload r9 with the
  thread_info pointer. ]

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-04-29 15:57:34 +10:00
..
alpha arch/alpha/kernel/traps.c: use time_* macros 2008-04-28 08:58:27 -07:00
arm ARM: always select HAVE_IDE 2008-04-28 23:44:43 +02:00
avr32 atmel_lcdfb: don't initialize a pre-allocated framebuffer 2008-04-28 08:58:38 -07:00
blackfin [Blackfin] arch: add include/boot .gitignore files 2008-04-25 08:29:11 +08:00
cris cris: remove redundant display of free swap space in show_mem() 2008-04-28 08:58:28 -07:00
frv frv si_addr annotations 2008-04-28 10:03:30 -07:00
h8300 Generic semaphore implementation 2008-04-17 10:42:34 -04:00
ia64 ia64 kvm fixes for O=... builds 2008-04-28 10:03:30 -07:00
m32r Generic semaphore implementation 2008-04-17 10:42:34 -04:00
m68k m68k: replace remaining __FUNCTION__ occurrences 2008-04-28 08:58:27 -07:00
m68knommu Generic semaphore implementation 2008-04-17 10:42:34 -04:00
mips Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus 2008-04-28 10:51:43 -07:00
mn10300 PCI: remove initial bios sort of PCI devices on x86 2008-04-20 21:46:58 -07:00
parisc mm: have zonelist contains structs with both a zone pointer and zone_idx 2008-04-28 08:58:18 -07:00
powerpc [POWERPC] Add IRQSTACKS support on ppc32 2008-04-29 15:57:34 +10:00
ppc [POWERPC] Add strncmp to arch/ppc 2008-04-24 20:57:34 +10:00
s390 KVM: add ioctls to save/store mpstate 2008-04-27 18:21:16 +03:00
sh hotplug-memory: make online_page() common 2008-04-28 08:58:17 -07:00
sparc sparc: Remove old style signal frame support. 2008-04-27 02:26:36 -07:00
sparc64 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2008-04-28 09:45:57 -07:00
um uml: clean up arch/um/drivers/ubd_kern.c 2008-04-28 08:58:29 -07:00
v850 arch: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:14:49 -04:00
x86 x86_64 vDSO: use initdata 2008-04-28 13:49:35 -07:00
xtensa Generic semaphore implementation 2008-04-17 10:42:34 -04:00
.gitignore
Kconfig Kprobes: indicate kretprobe support in Kconfig 2008-03-04 16:35:11 -08:00