tree 22dae854f70525d72bd6689e3640d8fc64a0220e
parent fb4309695905de889d318caec8eb13d3b2c118d5
author Paolo Bonzini <pbonzini@redhat.com> 1436875013 +0200
committer Paolo Bonzini <pbonzini@redhat.com> 1437739065 +0200

memory: count number of active VGA logging clients

For a board that has multiple framebuffer devices, both of them
might want to use DIRTY_MEMORY_VGA on the same memory region.
The lack of reference counting in memory_region_set_log makes
this very awkward to implement.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>