This contains KASLR support for book3e 32-bit.
The following changes since commit 612ee81b9461475b5a5612c2e8d71559dd3c7920:
powerpc/papr_scm: Fix an off-by-one check in papr_scm_meta_{get, set}
(2019-10-10 20:15:53 +1100)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux.git next
for you to fetch changes up to 9df1ef3f1376ec5d3a1b51a4546c94279bcd88ca:
powerpc/fsl_booke/32: Document KASLR implementation (2019-10-21 16:09:16
-0500)
----------------------------------------------------------------
Jason Yan (12):
powerpc: unify definition of M_IF_NEEDED
powerpc: move memstart_addr and kernstart_addr to init-common.c
powerpc: introduce kernstart_virt_addr to store the kernel base
powerpc/fsl_booke/32: introduce create_kaslr_tlb_entry() helper
powerpc/fsl_booke/32: introduce reloc_kernel_entry() helper
powerpc/fsl_booke/32: implement KASLR infrastructure
powerpc/fsl_booke/32: randomize the kernel image offset
powerpc/fsl_booke/kaslr: clear the original kernel if randomized
powerpc/fsl_booke/kaslr: support nokaslr cmdline parameter
powerpc/fsl_booke/kaslr: dump out kernel offset information on panic
powerpc/fsl_booke/kaslr: export offset in VMCOREINFO ELF notes
powerpc/fsl_booke/32: Document KASLR implementation
Documentation/powerpc/kaslr-booke32.rst | 42 +++
arch/powerpc/Kconfig | 11 +
arch/powerpc/include/asm/nohash/mmu-book3e.h | 11 +-
arch/powerpc/include/asm/page.h | 7 +
arch/powerpc/kernel/early_32.c | 5 +-
arch/powerpc/kernel/exceptions-64e.S | 12 +-
arch/powerpc/kernel/fsl_booke_entry_mapping.S | 25 +-
arch/powerpc/kernel/head_fsl_booke.S | 61 +++-
arch/powerpc/kernel/machine_kexec.c | 1 +
arch/powerpc/kernel/misc_64.S | 7 +-
arch/powerpc/kernel/setup-common.c | 20 ++
arch/powerpc/mm/init-common.c | 7 +
arch/powerpc/mm/init_32.c | 5 -
arch/powerpc/mm/init_64.c | 5 -
arch/powerpc/mm/mmu_decl.h | 11 +
arch/powerpc/mm/nohash/Makefile | 1 +
arch/powerpc/mm/nohash/fsl_booke.c | 8 +-
arch/powerpc/mm/nohash/kaslr_booke.c | 401 ++++++++++++++++++++++++++
18 files changed, 587 insertions(+), 53 deletions(-)
create mode 100644 Documentation/powerpc/kaslr-booke32.rst
create mode 100644 arch/powerpc/mm/nohash/kaslr_booke.c
