[Cbe-oss-dev] [PATCH] libspe2: use mapped dma registers to speed up proxy dma

[Kazunori Asayama]

stenzel at de.ibm.com wrote:
> The following patch speeds up the MFC proxy command functions by
> writing to the dma registers directly via mapped problem state.
> This new implementation has two small side effects, but this should 
> have no impact on existing applications because the current 
> implementation does not support proxy command at all, if the context 
> was created with the SPE_MAP_PS flag.
> 
> The two side effects are, if a context is created with SPE_MAP_PS:
> 
> 1) A mask value of 0 will not be interpreted as "all outsanding tags"
> 2) An event handler can not register for a SPE_EVENT_TAG_GROUP 
> 
> Signed-off-by: Gerhard Stenzel <stenzel at de.ibm.com>

It's OK with me.

--
(ASAYAMA Kazunori
  (asayama at sm.sony.co.jp))
t