Re: [PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-15 Thread Joonsoo Kim
On Sat, Jun 14, 2014 at 03:46:44PM +0530, Aneesh Kumar K.V wrote: > Joonsoo Kim writes: > > > Currently, there are two users on CMA functionality, one is the DMA > > subsystem and the other is the kvm on powerpc. They have their own code > > to manage CMA reserved area even if they looks really s

Re: [PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-14 Thread Aneesh Kumar K.V
Joonsoo Kim writes: > Currently, there are two users on CMA functionality, one is the DMA > subsystem and the other is the kvm on powerpc. They have their own code > to manage CMA reserved area even if they looks really similar. > From my guess, it is caused by some needs on bitmap management. Kv

Re: [PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-14 Thread Aneesh Kumar K.V
Joonsoo Kim writes: > Currently, there are two users on CMA functionality, one is the DMA > subsystem and the other is the kvm on powerpc. They have their own code > to manage CMA reserved area even if they looks really similar. > From my guess, it is caused by some needs on bitmap management. Kv

Re: [PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-14 Thread Aneesh Kumar K.V
Joonsoo Kim writes: > Currently, there are two users on CMA functionality, one is the DMA > subsystem and the other is the kvm on powerpc. They have their own code > to manage CMA reserved area even if they looks really similar. > From my guess, it is caused by some needs on bitmap management. Kv

Re: [PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-12 Thread Zhang Yanfei
On 06/12/2014 11:21 AM, Joonsoo Kim wrote: > Currently, there are two users on CMA functionality, one is the DMA > subsystem and the other is the kvm on powerpc. They have their own code > to manage CMA reserved area even if they looks really similar. >>From my guess, it is caused by some needs on

Re: [PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-12 Thread Joonsoo Kim
On Thu, Jun 12, 2014 at 04:13:11PM +0900, Minchan Kim wrote: > On Thu, Jun 12, 2014 at 12:21:43PM +0900, Joonsoo Kim wrote: > > Currently, there are two users on CMA functionality, one is the DMA > > subsystem and the other is the kvm on powerpc. They have their own code > > to manage CMA reserved

Re: [PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-12 Thread Minchan Kim
On Thu, Jun 12, 2014 at 12:21:43PM +0900, Joonsoo Kim wrote: > Currently, there are two users on CMA functionality, one is the DMA > subsystem and the other is the kvm on powerpc. They have their own code > to manage CMA reserved area even if they looks really similar. > >From my guess, it is cause

[PATCH v2 06/10] CMA: generalize CMA reserved area management functionality

2014-06-11 Thread Joonsoo Kim
Currently, there are two users on CMA functionality, one is the DMA subsystem and the other is the kvm on powerpc. They have their own code to manage CMA reserved area even if they looks really similar. >From my guess, it is caused by some needs on bitmap management. Kvm side wants to maintain bitm