Re: [PATCH V12 0/5] mmc: Add Command Queue support

2017-10-26 Thread Linus Walleij
On Thu, Oct 26, 2017 at 3:49 PM, Adrian Hunter wrote: > On 26/10/17 16:32, Linus Walleij wrote: >> My patch series switches the stack around to make it possible >> to do this. But it doesn't go the whole way to complete the requests >> from interrupt context. >> >> Since

Re: [PATCH V12 0/5] mmc: Add Command Queue support

2017-10-26 Thread Adrian Hunter
On 26/10/17 16:32, Linus Walleij wrote: > On Tue, Oct 24, 2017 at 10:40 AM, Adrian Hunter > wrote: > >> Here is V12 of the hardware command queue patches without the software >> command queue patches, now using blk-mq and now with blk-mq support for >> non-CQE I/O. > >

Re: [PATCH V12 0/5] mmc: Add Command Queue support

2017-10-26 Thread Linus Walleij
On Tue, Oct 24, 2017 at 10:40 AM, Adrian Hunter wrote: > Here is V12 of the hardware command queue patches without the software > command queue patches, now using blk-mq and now with blk-mq support for > non-CQE I/O. Since I had my test setup going I gave this a spin

[PATCH V12 0/5] mmc: Add Command Queue support

2017-10-24 Thread Adrian Hunter
Hi Here is V12 of the hardware command queue patches without the software command queue patches, now using blk-mq and now with blk-mq support for non-CQE I/O. HW CMDQ offers 25% - 50% better random multi-threaded I/O. I see a slight 2% drop in sequential read speed but no change to sequential