Re: [PATCH v3 0/4] Optimise 64-bit IOVA allocations

2017-08-30 Thread Joerg Roedel
Hey Robin, Nate, On Fri, Aug 25, 2017 at 02:52:41PM -0400, Nate Watterson wrote: > Tested-by: Nate Watterson If nobody has objections here anymore I would merge these patches when v4.14-rc1 is released. Given that these changes are a bit more intrusive and the code is shared between a couple of

Re: [PATCH v3 0/4] Optimise 64-bit IOVA allocations

2017-08-25 Thread Nate Watterson
Hi Robin, On 8/22/2017 11:17 AM, Robin Murphy wrote: Hi all, Just a quick repost of v2[1] with a small fix for the bug reported by Nate. I tested the series and can confirm that the crash I reported on v2 no longer occurs with this version. To recap, whilst this mostly only improves worst-ca

[PATCH v3 0/4] Optimise 64-bit IOVA allocations

2017-08-22 Thread Robin Murphy
Hi all, Just a quick repost of v2[1] with a small fix for the bug reported by Nate. To recap, whilst this mostly only improves worst-case performance, those worst-cases have a tendency to be pathologically bad: Ard reports general desktop performance with Chromium on AMD Seattle going from ~1-2FP