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[Xen-devel] [PATCH 0 of 2] RFC blktap: Small changes to blktap + added a hook to clear ptes on implicit releases of VMAs.


These patches contain changes to the kernel blktap code. The main change is the 
addition of a vma hook to clear ptes when linux implicitly releases a vma. This 
allows the block tap to release grants when a user level process such as 
tapdisk crashes. This fixes the problem of Xen killing a domain because of 
implicit grant unmapping.

The patches should apply cleanly to changeset 15080. Comments are most welcome.



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