[Linaro-mm-sig] [RFC 0/4] dma-buf Constraints-Enabled Allocation helpers

2014-10-14 Thread Sumit Semwal
Hi Laura, On 13 October 2014 13:42, Laura Abbott wrote: > On 10/10/2014 1:07 PM, Sumit Semwal wrote: >> >> Hi, >> >> Why: >> >> While sharing buffers using dma-buf, currently there's no mechanism to >> let >> devices share their memory access constraints with each other to allow for >> del

[Linaro-mm-sig] [RFC 0/4] dma-buf Constraints-Enabled Allocation helpers

2014-10-13 Thread Laura Abbott
On 10/10/2014 1:07 PM, Sumit Semwal wrote: > Hi, > > Why: > > While sharing buffers using dma-buf, currently there's no mechanism to let > devices share their memory access constraints with each other to allow for > delayed allocation of backing storage. > > This RFC attempts to introduce th