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(parent: a676854) | patch
memory: avoid unnecessary object_ref/unref
authorPaolo Bonzini <[email protected]>
Wed, 9 Dec 2015 10:44:25 +0000 (11:44 +0100)
committerPaolo Bonzini <[email protected]>
Thu, 17 Dec 2015 16:33:48 +0000 (17:33 +0100)
commit612263cf33062f7441a5d0e3b37c65991fdc3210
treeb2f6e1e60a93546ac7e96647b67b113b102841fbtree | snapshot
parenta676854f3447019c7c4b005ab6aece905fccfdddcommit | diff
memory: avoid unnecessary object_ref/unref

For the common case of DMA into non-hotplugged RAM, it is unnecessary
but expensive to do object_ref/unref.  Add back an owner field to
MemoryRegion, so that these memory regions can skip the reference
counting.

Signed-off-by: Paolo Bonzini <[email protected]>
include/exec/memory.h diff | blob | blame | history
memory.c diff | blob | blame | history
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