This patch adds a buffer synchronization framework based on DMA BUF[1]
and and based on ww-mutexes[2] for lock mechanism, and has been rebased
on linux-3.11-rc6.
The purpose of this framework is to provide not only buffer access control
to CPU and DMA but also easy-to-use interfaces for device
This patch adds a buffer synchronization framework based on DMA BUF[1]
and and based on ww-mutexes[2] for lock mechanism, and has been rebased
on linux-3.11-rc6.
The purpose of this framework is to provide not only buffer access control
to CPU and DMA but also easy-to-use interfaces for device
