| commit | 612263cf33062f7441a5d0e3b37c65991fdc3210 | |
| author | Paolo Bonzini <pbonzini@redhat.com> | |
| Wed, 9 Dec 2015 10:44:25 +0000 (9 11:44 +0100) | ||
| committer | Paolo Bonzini <pbonzini@redhat.com> | |
| Thu, 17 Dec 2015 16:33:48 +0000 (17 17:33 +0100) | ||
| tree | b2f6e1e60a93546ac7e96647b67b113b102841fb | treesnapshot (tar.gz zip) |
| parent | a676854f3447019c7c4b005ab6aece905fccfddd | commitdiff |
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 <pbonzini@redhat.com>
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 <pbonzini@redhat.com>
| include/exec/memory.h | diffblobblamehistory | |
| memory.c | diffblobblamehistory |