[Xen-devel] [PATCH v4 00/11] xen/arm: Handle correctly foreign mapping

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hello,

This patch series aims to fix "Failed to unmap" message in dom0 when a guest is
creating. Without this patch series, dom0 will leak memory each time a domain
is created. It should be considered as a blocker for Xen 4.4 release.

Compare to the previous version, I have removed the dependency on pvh dom0
patch series 
(http://lists.xenproject.org/archives/html/xen-devel/2013-12/msg01026.html).
This will allow to push this serie as soon as possible without waiting the 
support
for dom0 pvh (which is only x86 specific).

    - Patch #1: patch #4 of the dom0 pvh series
    - Patch #2-3: prepare work for the others patches
    - Patch #4-7: add support for p2m type
    - Patch #8-10: handle correctly foreign mapping. Patch #9, contains
    common remove code taken from patch #7 of dom0 pvh
    - Patch #11: it's not really part of this series. It adds support
    for read-only grant-mapping

For all the changes, see in each patch.

Sincerely yours,
Release-acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Keir Fraser <keir@xxxxxxx>
Cc: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>

Julien Grall (10):
  xen/arm: Introduce steps in domain_relinquish_resource
  xen/arm: move mfn_to_p2m_entry in arch/arm/p2m.c
  xen/arm: Implement p2m_type_t as an enum
  xen/arm: Store p2m type in each page of the guest
  xen/arm: p2m: Extend p2m_lookup parameters to retrieve the p2m type
  xen/arm: Retrieve p2m type in get_page_from_gfn
  xen/arm: Handle remove foreign mapping
  xen/arm: Add relinquish_p2m_mapping to remove reference on every
    mapped page
  xen/arm: Set foreign page type to p2m_map_foreign
  xen/arm: grant-table: Support read-only mapping

Mukesh Rathor (1):
  pvh dom0: Introduce p2m_map_foreign

 xen/arch/arm/domain.c        |   45 ++++++++++--
 xen/arch/arm/mm.c            |   39 +++++++----
 xen/arch/arm/p2m.c           |  158 +++++++++++++++++++++++++++++++++++++-----
 xen/arch/arm/traps.c         |    6 +-
 xen/arch/x86/mm/p2m-ept.c    |    1 +
 xen/arch/x86/mm/p2m-pt.c     |    1 +
 xen/arch/x86/mm/p2m.c        |   28 +++++---
 xen/common/memory.c          |   12 +++-
 xen/include/asm-arm/domain.h |    9 +++
 xen/include/asm-arm/p2m.h    |   69 +++++++++++++++---
 xen/include/asm-arm/page.h   |   24 +------
 xen/include/asm-x86/p2m.h    |   10 +++
 12 files changed, 318 insertions(+), 84 deletions(-)

-- 
1.7.10.4


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