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Date: Mon, 6 Nov 2017 19:27:26 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Cc: kemi <kemi.wang@intel.com>, paulmck@linux.vnet.ibm.com,
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Subject: Re: [v5,22/22] powerpc/mm: Add speculative page fault
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On (11/02/17 15:11), Laurent Dufour wrote:
> On 26/10/2017 10:14, kemi wrote:
> > Some regression is found by LKP-tools(linux kernel performance) on this patch series
> > tested on Intel 2s/4s Skylake platform. 
> > The regression result is sorted by the metric will-it-scale.per_process_ops.
> 
> Hi Kemi,
> 
> Thanks for reporting this, I'll try to address it by turning some features
> of the SPF path off when the process is monothreaded.

make them madvice()-able?
not all multi-threaded apps will necessarily benefit of SPF. right?
just an idea.

	-ss