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Re: [Xen-devel] [V6 PATCH 6/7] pvh dom0: Add and remove foreign pages





On 12/09/2013 02:45 AM, Julien Grall wrote:


On 12/06/2013 02:38 AM, Mukesh Rathor wrote:
In this patch, a new function, xenmem_add_foreign_to_p2m(), is added
to map pages from foreign guest into current dom0 for domU creation.
Such pages are typed p2m_map_foreign. Also, support is added here to
XENMEM_remove_from_physmap to remove such pages. Note, in the remove
path, we must release the refcount that was taken during the map phase.

Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
---
  xen/arch/x86/mm.c         |   88
+++++++++++++++++++++++++++++++++++++++++----
  xen/common/memory.c       |   37 ++++++++++++++++++-
  xen/include/asm-arm/p2m.h |    2 +
  3 files changed, 118 insertions(+), 9 deletions(-)

This patch doesn't compile on ARM:
memory.c: In function 'do_memory_op':
memory.c:682:20: error: unused variable 'p2mt' [-Werror=unused-variable]
cc1: all warnings being treated as errors

Hmmm actually, I forgot to retrieve your V6.1. Forget this part.


--
Julien Grall

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