From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [PATCH 08/11] sata_sil: convert to new EH Date: Thu, 11 May 2006 16:46:25 +0100 Message-ID: <1147362385.26130.42.camel@localhost.localdomain> References: <11473536881889-git-send-email-htejun@gmail.com> <1147357322.26130.17.camel@localhost.localdomain> <44634CB6.80804@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:23506 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1030264AbWEKPe5 (ORCPT ); Thu, 11 May 2006 11:34:57 -0400 In-Reply-To: <44634CB6.80804@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: jgarzik@pobox.com, axboe@suse.de, albertcc@tw.ibm.com, forrest.zhao@intel.com, efalk@google.com, linux-ide@vger.kernel.org On Iau, 2006-05-11 at 23:39 +0900, Tejun Heo wrote: > I'm not sure what you mean by synchronization. But, freezing is indeed > for shutting the chip up. If the port is frozen, EH doesn't touch > active qcs nor tries to issue new command. The port is thawed/used only > after the port & device are put into known good state via successful > reset. Is this what you're talking about? Sort of. I wanted to point out that this can occur IRQ is issued on chip ->freeze returns ->intr finally arrives and is serviced Alan