From: "Weiny, Ira" <ira.weiny@intel.com>
To: 'Jason Gunthorpe' <jgg@ziepe.ca>
Cc: Davidlohr Bueso <dave@stgolabs.net>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"dledford@redhat.com" <dledford@redhat.com>,
"jack@suse.de" <jack@suse.de>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Dalessandro, Dennis" <dennis.dalessandro@intel.com>,
"Marciniszyn, Mike" <mike.marciniszyn@intel.com>,
Davidlohr Bueso <dbueso@suse.de>
Subject: RE: [PATCH 3/6] drivers/IB,qib: do not use mmap_sem
Date: Wed, 30 Jan 2019 18:01:33 +0000 [thread overview]
Message-ID: <2807E5FD2F6FDA4886F6618EAC48510E79BA6A27@CRSMSX101.amr.corp.intel.com> (raw)
In-Reply-To: <20190129231903.GA5352@ziepe.ca>
>
> On Tue, Jan 29, 2019 at 10:50:05AM -0800, Ira Weiny wrote:
> > > .. and I'm looking at some of the other conversions here.. *most
> > > likely* any caller that is manipulating rlimit for get_user_pages
> > > should really be calling get_user_pages_longterm, so they should not
> > > be converted to use _fast?
> >
> > Is this a question? I'm not sure I understand the meaning here?
>
> More an invitation to disprove the statement
Generally I agree. But would be best if we could get fast GUP for performance. I have not worked out if that will be possible with the final "longterm" solutions.
IRa
>
> Jason
next prev parent reply other threads:[~2019-01-30 18:01 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 17:42 [PATCH v2 -next 0/6] mm: make pinned_vm atomic and simplify users Davidlohr Bueso
2019-01-21 17:42 ` [PATCH 1/6] mm: make mm->pinned_vm an atomic64 counter Davidlohr Bueso
2019-01-21 21:51 ` Christopher Lameter
2019-01-22 9:56 ` Jan Kara
2019-01-22 15:45 ` Daniel Jordan
2019-01-23 18:33 ` Jason Gunthorpe
2019-01-28 21:10 ` Andrew Morton
2019-01-21 17:42 ` [PATCH 2/6] mic/scif: do not use mmap_sem Davidlohr Bueso
2019-01-21 17:42 ` [PATCH 3/6] drivers/IB,qib: " Davidlohr Bueso
2019-01-28 23:31 ` Jason Gunthorpe
2019-01-29 4:46 ` Jason Gunthorpe
2019-01-29 14:14 ` Davidlohr Bueso
2019-01-29 18:50 ` Ira Weiny
2019-01-29 23:19 ` Jason Gunthorpe
2019-01-30 18:01 ` Weiny, Ira [this message]
2019-01-31 10:04 ` Jan Kara
2019-01-21 17:42 ` [PATCH 4/6] drivers/IB,hfi1: do not se mmap_sem Davidlohr Bueso
2019-01-21 17:42 ` [PATCH 5/6] drivers/IB,usnic: reduce scope of mmap_sem Davidlohr Bueso
2019-01-21 17:42 ` [PATCH 6/6] drivers/IB,core: " Davidlohr Bueso
2019-01-21 18:32 ` Jason Gunthorpe
2019-01-21 19:12 ` Davidlohr Bueso
2019-01-21 21:53 ` Christopher Lameter
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