Inter-revision diff: cover letter

Comparing v5 (message) to v3 (message)

--- v5
+++ v3
@@ -4,69 +4,45 @@
 address we limit the max contexts to a 16bit value instead of 19.
 
 The patch series also switch the page table layout such that we can
-do 512TB effective address. Userspace can ask for allocation from
-the full 512TB address space by specifying hint address
-(with or without MAP_FIXED) above 128TB.
-
-
-Changes from V4:
-* Rebase to latest upstream
-* Add support 512TB mmap.
-
-Changes from V3:
-* Rebase to latest upstream
-* Fixes based on testing
+do 512TB effective address. But we still limit the TASK_SIZE to
+128TB. This was done to make sure we don't break applications
+that make assumption regarding the max address returned by the
+OS. We can switch to 128TB without a linux personality value because
+other architectures do 128TB as max address.
 
 Changes from V2:
 * Handle hugepage size correctly.
 
-
-Aneesh Kumar K.V (17):
+Aneesh Kumar K.V (10):
   powerpc/mm/slice: Convert slice_mask high slice to a bitmap
   powerpc/mm/slice: Update the function prototype
+  powerpc/mm/hash: Move kernel context to the starting of context range
+  powerpc/mm/hash: Support 68 bit VA
   powerpc/mm: Move copy_mm_to_paca to paca.c
   powerpc/mm: Remove redundant TASK_SIZE_USER64 checks
+  powerpc/mm/slice: Use mm task_size as max value of slice index
+  powerpc/mm/hash: Increase VA range to 128TB
   powerpc/mm/slice: Move slice_mask struct definition to slice.c
   powerpc/mm/slice: Update slice mask printing to use bitmap printing.
-  powerpc/mm/hash: Move kernel context to the starting of context range
-  powerpc/mm/hash: Support 68 bit VA
-  powerpc/mm/hash: VSID 0 is no more an invalid VSID
-  powerpc/mm/hash: Convert mask to unsigned long
-  powerpc/mm/hash: Increase VA range to 128TB
-  powerpc/mm/slice: Use mm task_size as max value of slice index
-  powerpc/mm/hash: Store task size in PACA
-  powerpc/mm/hash: Skip using reserved virtual address range
-  powerpc/mm: Switch TASK_SIZE check to use mm->task_size
-  mm: Let arch choose the initial value of task size
-  powerpc/mm: Enable mappings above 128TB
 
  arch/powerpc/include/asm/book3s/64/hash-4k.h  |   2 +-
  arch/powerpc/include/asm/book3s/64/hash-64k.h |   2 +-
- arch/powerpc/include/asm/book3s/64/mmu-hash.h | 178 ++++++++++--------
- arch/powerpc/include/asm/kvm_book3s_64.h      |   2 -
- arch/powerpc/include/asm/mmu.h                |  19 +-
- arch/powerpc/include/asm/mmu_context.h        |   3 +-
- arch/powerpc/include/asm/paca.h               |  22 +--
+ arch/powerpc/include/asm/book3s/64/mmu-hash.h | 160 ++++++++++++---------
+ arch/powerpc/include/asm/mmu.h                |  19 ++-
+ arch/powerpc/include/asm/mmu_context.h        |   2 +-
+ arch/powerpc/include/asm/paca.h               |  18 +--
  arch/powerpc/include/asm/page_64.h            |  14 --
- arch/powerpc/include/asm/processor.h          |  45 ++++-
- arch/powerpc/kernel/asm-offsets.c             |   4 +
- arch/powerpc/kernel/paca.c                    |  21 +++
- arch/powerpc/kernel/setup-common.c            |   9 +
+ arch/powerpc/include/asm/processor.h          |  22 ++-
+ arch/powerpc/kernel/paca.c                    |  26 ++++
  arch/powerpc/kvm/book3s_64_mmu_host.c         |  10 +-
- arch/powerpc/mm/hash_utils_64.c               |  86 +++++++--
- arch/powerpc/mm/hugetlbpage-radix.c           |  11 +-
+ arch/powerpc/mm/hash_utils_64.c               |   9 +-
  arch/powerpc/mm/init_64.c                     |   4 -
- arch/powerpc/mm/mmap.c                        |  41 +++--
- arch/powerpc/mm/mmu_context_book3s64.c        | 130 ++++++++++---
- arch/powerpc/mm/pgtable-hash64.c              |   1 -
+ arch/powerpc/mm/mmu_context_book3s64.c        |  96 +++++++++----
  arch/powerpc/mm/pgtable_64.c                  |   5 -
  arch/powerpc/mm/slb.c                         |   2 +-
- arch/powerpc/mm/slb_low.S                     |  82 ++++++---
- arch/powerpc/mm/slice.c                       | 253 ++++++++++++++++----------
- arch/powerpc/mm/subpage-prot.c                |   3 +-
- arch/powerpc/mm/tlb_hash64.c                  |   1 -
- fs/exec.c                                     |  10 +-
- 26 files changed, 631 insertions(+), 329 deletions(-)
+ arch/powerpc/mm/slb_low.S                     |  74 ++++++----
+ arch/powerpc/mm/slice.c                       | 195 +++++++++++++++-----------
+ 17 files changed, 394 insertions(+), 266 deletions(-)
 
 -- 
 2.7.4
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