From mboxrd@z Thu Jan 1 00:00:00 1970 From: Parav Pandit Subject: Re: state of the I/O memory when arrives at low level HBA driver Date: Tue, 4 Sep 2007 05:02:37 -0700 (PDT) Message-ID: <788706.48115.qm@web30112.mail.mud.yahoo.com> References: <547218.81228.qm@web30103.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from web30112.mail.mud.yahoo.com ([209.191.69.44]:47117 "HELO web30112.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752220AbXIDMCi (ORCPT ); Tue, 4 Sep 2007 08:02:38 -0400 In-Reply-To: <547218.81228.qm@web30103.mail.mud.yahoo.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi o.k. I got the answer. It is already been locked when it comes to the low level HBA driver. Thanks, Parav --- Parav Pandit wrote: > Hi, > > This may be petty question, but I am not really sure > about this. > > When a I/O comes to the low level SCSI HBA driver > through enqueue() interface, > > can it happen that I/O data memory is paged out or > can > be paged out? > > I mean, doing DMA mapping such as pci_map_single() > provides, just physical addresses or it also > (page-in > if requires) followed by locking the page(s) in the > system? > > Regards, > Parav Pandit > > > > > ____________________________________________________________________________________ > Boardwalk for $500? In 2007? Ha! Play Monopoly Here > and Now (it's updated for today's economy) at Yahoo! > Games. > http://get.games.yahoo.com/proddesc?gamekey=monopolyherenow > > - > To unsubscribe from this list: send the line > "unsubscribe linux-scsi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at > http://vger.kernel.org/majordomo-info.html > ____________________________________________________________________________________ Need a vacation? Get great deals to amazing places on Yahoo! Travel. http://travel.yahoo.com/