From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) by kanga.kvack.org (Postfix) with ESMTP id C54496B0031 for ; Fri, 4 Oct 2013 09:44:15 -0400 (EDT) Received: by mail-pa0-f50.google.com with SMTP id fb1so4190337pad.9 for ; Fri, 04 Oct 2013 06:44:15 -0700 (PDT) From: "Marciniszyn, Mike" Subject: RE: [PATCH 23/26] ib: Convert qib_get_user_pages() to get_user_pages_unlocked() Date: Fri, 4 Oct 2013 13:44:10 +0000 Message-ID: <32E1700B9017364D9B60AED9960492BC211B0135@FMSMSX107.amr.corp.intel.com> References: <1380724087-13927-1-git-send-email-jack@suse.cz> <1380724087-13927-24-git-send-email-jack@suse.cz> <32E1700B9017364D9B60AED9960492BC211AEF75@FMSMSX107.amr.corp.intel.com> <20131002152811.GC32181@quack.suse.cz> <32E1700B9017364D9B60AED9960492BC211AF005@FMSMSX107.amr.corp.intel.com> In-Reply-To: <32E1700B9017364D9B60AED9960492BC211AF005@FMSMSX107.amr.corp.intel.com> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Jan Kara Cc: LKML , "linux-mm@kvack.org" , infinipath , Roland Dreier , "linux-rdma@vger.kernel.org" > 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 m= arked them stable. See http://marc.info/?l=3Dlinux-rdma&m=3D138089335506355&w=3D2 Mike -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org