[v2][PATCH 0/7] powerpc/book3e: support kexec and kdump

[Tiejun Chen]

This patchset is used to support kexec and kdump on book3e.

Tested on fsl-p5040 DS.

v2:
* rebase on merge branch as Ben mention now.

v1:
* improve some patch head
* rebase on next branch with patch 7

--------------------------------------------------------------------------------
Tiejun Chen (7):
      powerpc/book3e: support CONFIG_RELOCATABLE
      book3e/kexec/kdump: enable kexec for kernel
      book3e/kexec/kdump: create a 1:1 TLB mapping
      book3e/kexec/kdump: introduce a kexec kernel flag
      book3e/kexec/kdump: implement ppc64 kexec specfic
      book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET
      book3e/kexec/kdump: recover "r4 = 0" to create the initial TLB

 arch/powerpc/Kconfig                     |    2 +-
 arch/powerpc/include/asm/exception-64e.h |    8 ++++
 arch/powerpc/include/asm/page.h          |    2 +
 arch/powerpc/include/asm/smp.h           |    3 ++
 arch/powerpc/kernel/exceptions-64e.S     |   15 ++++++-
 arch/powerpc/kernel/head_64.S            |   47 +++++++++++++++++++--
 arch/powerpc/kernel/machine_kexec_64.c   |    6 +++
 arch/powerpc/kernel/misc_64.S            |   67 +++++++++++++++++++++++++++++-
 arch/powerpc/lib/feature-fixups.c        |    7 ++++
 arch/powerpc/platforms/85xx/smp.c        |   27 ++++++++++++
 10 files changed, 178 insertions(+), 6 deletions(-)

Tiejun