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| author | Paolo Bonzini | 2017-06-29 15:27:41 +0200 |
|---|---|---|
| committer | Fam Zheng | 2017-07-17 05:28:15 +0200 |
| commit | 1e886639791762e89b51aa0507f523c6a1448831 (patch) | |
| tree | 0dd8ee307a4282fc631e8f8a20de6ae4dced666b /scripts/modules/module_block.py | |
| parent | coroutine-lock: add qemu_co_rwlock_downgrade and qemu_co_rwlock_upgrade (diff) | |
| download | qemu-1e886639791762e89b51aa0507f523c6a1448831.tar.gz qemu-1e886639791762e89b51aa0507f523c6a1448831.tar.xz qemu-1e886639791762e89b51aa0507f523c6a1448831.zip | |
vdi: make it thread-safe
The VirtualBox driver is using a mutex to order all allocating writes,
but it is not protecting accesses to the bitmap because they implicitly
happen under the AioContext mutex. Change this to use a CoRwlock
explicitly.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20170629132749.997-4-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'scripts/modules/module_block.py')
0 files changed, 0 insertions, 0 deletions