diff options
| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2017-09-21 18:51:04 +1000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-09-21 23:19:38 +0200 |
| commit | 967dc9b1194a9281124b2e1ce67b6c3359a2138f (patch) | |
| tree | c4a43ebddfafe78437e1b1fb7a0073132734eee2 /include/exec/memory-internal.h | |
| parent | 02218487649558ed66c3689d4cc55250a42601d8 (diff) | |
| download | focaccia-qemu-967dc9b1194a9281124b2e1ce67b6c3359a2138f.tar.gz focaccia-qemu-967dc9b1194a9281124b2e1ce67b6c3359a2138f.zip | |
memory: Share FlatView's and dispatch trees between address spaces
This allows sharing flat views between address spaces (AS) when the same root memory region is used when creating a new address space. This is done by walking through all ASes and caching one FlatView per a physical root MR (i.e. not aliased). This removes search for duplicates from address_space_init_shareable() as FlatViews are shared elsewhere and keeping as::ref_count correct seems an unnecessary and useless complication. This should cause no change and memory use or boot time yet. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Message-Id: <20170921085110.25598-13-aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/exec/memory-internal.h')
0 files changed, 0 insertions, 0 deletions