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[v9,00/13] switch to domheap for Xen page tables

Message ID cover.1617706782.git.hongyxia@amazon.com (mailing list archive)
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Series switch to domheap for Xen page tables | expand

Message

Hongyan Xia April 6, 2021, 11:05 a.m. UTC 
From: Hongyan Xia <hongyxia@amazon.com>

This series rewrites all the remaining functions and finally makes the
switch from xenheap to domheap for Xen page tables, so that they no
longer need to rely on the direct map, which is a big step towards
removing the direct map.

---
Changed in v9:
- drop first 2 patches which have been merged in XSA-345.
- adjust code around L3 page locking in mm.c.

Hongyan Xia (2):
  x86/mm: drop old page table APIs
  x86: switch to use domheap page for page tables

Wei Liu (11):
  x86/mm: rewrite virt_to_xen_l*e
  x86/mm: switch to new APIs in map_pages_to_xen
  x86/mm: switch to new APIs in modify_xen_mappings
  x86_64/mm: introduce pl2e in paging_init
  x86_64/mm: switch to new APIs in paging_init
  x86_64/mm: switch to new APIs in setup_m2p_table
  efi: use new page table APIs in copy_mapping
  efi: switch to new APIs in EFI code
  x86/smpboot: add exit path for clone_mapping()
  x86/smpboot: switch clone_mapping() to new APIs
  x86/mm: drop _new suffix for page table APIs

 xen/arch/x86/efi/runtime.h |  13 +-
 xen/arch/x86/mm.c          | 247 ++++++++++++++++++++++---------------
 xen/arch/x86/setup.c       |   4 +-
 xen/arch/x86/smpboot.c     |  70 +++++++----
 xen/arch/x86/x86_64/mm.c   |  80 +++++++-----
 xen/common/efi/boot.c      |  83 ++++++++-----
 xen/common/efi/efi.h       |   3 +-
 xen/common/efi/runtime.c   |   8 +-
 xen/common/vmap.c          |   1 +
 xen/include/asm-x86/mm.h   |   7 +-
 xen/include/asm-x86/page.h |   5 -
 11 files changed, 315 insertions(+), 206 deletions(-)