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From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Shaohua Li <shli-b10kYP2dOMg@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Adam Morrison
	<mad-FrESSTt7Abv7r6psnUbsSmZHpeb/A1Y/@public.gmane.org>,
	Kernel-team-b10kYP2dOMg@public.gmane.org
Subject: Re: [PATCH V2 0/4]IOMMU: avoid lock contention in iova allocation
Date: Wed, 20 Jan 2016 13:21:03 +0100	[thread overview]
Message-ID: <20160120122103.GE18805@8bytes.org> (raw)
In-Reply-To: <20160111033749.GA1811285-tb7CFzD8y5b7E6g3fPdp/g2O0Ztt9esIQQ4Iyu8u01E@public.gmane.org>

On Sun, Jan 10, 2016 at 07:37:59PM -0800, Shaohua Li wrote:
> I don't know you already posted one. Roughly looked at the patches. We
> are using exactly the same idea. I'm happy we pursue your patches. At
> the first look, the per-cpu allocation in your patch doesn't check
> pfn_limit, that could be wrong, but should be easy to fix. I'll take a
> close look tomorrow.

Sounds great. Your approaches with the per-cpu are pretty similar, so I
would appreciate if you two come up with a combined patch-set?


	Joerg

  parent reply	other threads:[~2016-01-20 12:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-09  0:44 [PATCH V2 0/4]IOMMU: avoid lock contention in iova allocation Shaohua Li
     [not found] ` <cover.1452297604.git.shli-b10kYP2dOMg@public.gmane.org>
2016-01-09  0:44   ` [PATCH V2 1/4] IOMMU: add a percpu cache for " Shaohua Li
2016-01-09  0:44   ` [PATCH V2 2/4] iommu: free_iova doesn't need lock twice Shaohua Li
2016-01-09  0:44   ` [PATCH V2 3/4] intel-iommu: remove find_iova in unmap path Shaohua Li
2016-01-09  0:44   ` [PATCH V2 4/4] intel-iommu: do batch iova free Shaohua Li
2016-01-10 22:56   ` [PATCH V2 0/4]IOMMU: avoid lock contention in iova allocation Adam Morrison
     [not found]     ` <20160110225610.GA16778-FrESSTt7Abv7r6psnUbsSmZHpeb/A1Y/@public.gmane.org>
2016-01-11  3:37       ` Shaohua Li
     [not found]         ` <20160111033749.GA1811285-tb7CFzD8y5b7E6g3fPdp/g2O0Ztt9esIQQ4Iyu8u01E@public.gmane.org>
2016-01-20 12:21           ` Joerg Roedel [this message]
     [not found]             ` <20160120122103.GE18805-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-01-20 18:10               ` Shaohua Li
     [not found]                 ` <20160120180956.GA230160-tb7CFzD8y5b7E6g3fPdp/g2O0Ztt9esIQQ4Iyu8u01E@public.gmane.org>
2016-01-20 20:47                   ` Adam Morrison
     [not found]                     ` <CAHMfzJmAUWT8X4492_84smUgQMW9pW1yNfOxC6e7ur9TitA2cA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-20 21:14                       ` Shaohua Li
     [not found]                         ` <20160120211421.GA684235-tb7CFzD8y5b7E6g3fPdp/g2O0Ztt9esIQQ4Iyu8u01E@public.gmane.org>
2016-01-21 23:14                           ` Adam Morrison
     [not found]                             ` <20160121231326.GA16905-FrESSTt7Abv7r6psnUbsSmZHpeb/A1Y/@public.gmane.org>
2016-01-22  0:18                               ` Shaohua Li
     [not found]                                 ` <20160122001801.GA4114061-tb7CFzD8y5b7E6g3fPdp/g2O0Ztt9esIQQ4Iyu8u01E@public.gmane.org>
2016-01-22 11:35                                   ` Adam Morrison

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