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From: Jason Gunthorpe <jgg@ziepe.ca>
To: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	linux-s390@vger.kernel.org, Heiko Carstens <hca@linux.ibm.com>,
	Claudio Imbrenda <imbrenda@linux.ibm.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>
Subject: Re: [RFC PATCH 0/2] mm/gup: fix gup_fast with dynamic page table folding
Date: Fri, 28 Aug 2020 12:20:06 -0300	[thread overview]
Message-ID: <20200828152006.GY24045@ziepe.ca> (raw)
In-Reply-To: <20200828170103.6d954d95@thinkpad>

On Fri, Aug 28, 2020 at 05:01:03PM +0200, Gerald Schaefer wrote:

> Just to make sure, you are referring to some future / planned
> changes to mm/pagewalk.c, and not some currently existing
> pagetable walkers already using the READ_ONCE logic w/o
> spinlocks? 

Yes no current code, just something I've been looking at slowly.

Jason


  reply	other threads:[~2020-08-28 15:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-28 14:03 [RFC PATCH 0/2] mm/gup: fix gup_fast with dynamic page table folding Gerald Schaefer
2020-08-28 14:03 ` [RFC PATCH 1/2] " Gerald Schaefer
2020-08-28 14:03 ` [RFC PATCH 2/2] " Gerald Schaefer
2020-08-28 14:21 ` [RFC PATCH 0/2] " Jason Gunthorpe
2020-08-28 15:01   ` Gerald Schaefer
2020-08-28 15:20     ` Jason Gunthorpe [this message]
2020-08-31 11:53 ` Christian Borntraeger
2020-08-31 19:15   ` Andrew Morton
2020-09-01 17:40     ` Gerald Schaefer
2020-09-01 18:14       ` Jason Gunthorpe
2020-09-01 23:22       ` John Hubbard
2020-09-02 12:24         ` Gerald Schaefer
2020-09-02 15:09           ` Gerald Schaefer
2020-09-02 20:13             ` Jason Gunthorpe

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