[Skiboot] [PATCH] hw/phb3: Increase AIB TX command credit for DMA read in CAPP DMA mode
Andrew Donnellan
andrew.donnellan at au1.ibm.com
Wed Jul 13 16:26:35 AEST 2016
On 08/07/16 16:46, Andrew Donnellan wrote:
>> Any reason why you are only increasing command credits for DMA read on
>> channel 2 and not for DMA writes on Channel 0 ?
>
> As far as I'm aware we were only observing significant performance
> degradation on reads, not writes. John/Rick/Mike - thoughts?
John's confirmed privately that he wasn't observing any performance
issues on the writes but will check this. I'll see if we can figure out
what value it's originally set to...
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan at au1.ibm.com IBM Australia Limited
More information about the Skiboot
mailing list