linux-kernel - RE: [PATCH 23/26] ib: Convert qib_get_user_pages() to get_user_pages

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Date:	Fri, 4 Oct 2013 13:44:10 +0000
From:	"Marciniszyn, Mike" <mike.marciniszyn@...el.com>
To:	Jan Kara <jack@...e.cz>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	infinipath <infinipath@...el.com>,
	Roland Dreier <roland@...nel.org>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: RE: [PATCH 23/26] ib: Convert qib_get_user_pages() to
 get_user_pages_unlocked()

> The PSM side of the code is a more traditional use of GUP (like direct I/O), so
> I think it is a different use case than the locking for IB memory regions.

I have resubmitted the two deadlock fixes using get_user_pages_fast() and marked them stable.

See http://marc.info/?l=linux-rdma&m=138089335506355&w=2

Mike
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