Commit graph

4 commits

Author SHA1 Message Date
Paolo Bonzini 5c85c564b5
exec: Atomic access to bounce buffer
There could be a race condition when two processes call
address_space_map concurrently and both want to use the bounce buffer.

Add an in_use flag in BounceBuffer to sync it.

Backports commit c2cba0ffe495b60c4cc58080281e99c7a6580d4b from qemu
2018-02-12 21:00:17 -05:00
Nguyen Anh Quynh c6de7930c9 remove mutex code 2017-01-20 15:44:03 +08:00
Nguyen Anh Quynh 42771848d6 no more spinlock 2017-01-20 14:57:33 +08:00
Nguyen Anh Quynh 344d016104 import 2015-08-21 15:04:50 +08:00