Xen devel - Mar 2006 - [PATCH] paging disabled handling for gdbserver-xen

Hi Keir, Ian,

   The current ptrace code is traversing the page table structures to
guest guest physical address, even when the guest paging is disabled.
The gdbserver-xen tries to access guest pdes & ptes to map memory of
hvm guest being debugged; and it gets a seg-fault because guest has not
setup it''s paging yet. The attached patch adds guest paging state
check,
so that the map_domain_va() can get the correct guest physical address
from guest va. Please apply.

 

Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com>

 

 xc_ptrace.c |   58
+++++++++++++++++++++++++++++++---------------------------

 1 files changed, 31 insertions(+), 27 deletions(-)

 

Thanks & Regards,

Nitin

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Open Source Technology Center, Intel Corp

 




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