From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luben Tuikov Subject: Re: I request inclusion of SAS Transport Layer and AIC-94xx into the kernel Date: Mon, 03 Oct 2005 09:54:37 -0400 Message-ID: <4341381D.2060807@adaptec.com> References: <547AF3BD0F3F0B4CBDC379BAC7E4189F01A9FA11@otce2k03.adaptec.com> <1128105594.10079.109.camel@bluto.andrew> <433D9035.6000504@adaptec.com> <1128111290.10079.147.camel@bluto.andrew> <433DA0DF.9080308@adaptec.com> <1128114950.10079.170.camel@bluto.andrew> <433DB5D7.3020806@adaptec.com> <9B90AC8A-A678-4FFE-B42D-796C8D87D65B@neostrada.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from magic.adaptec.com ([216.52.22.17]:64955 "EHLO magic.adaptec.com") by vger.kernel.org with ESMTP id S932071AbVJCNyw (ORCPT ); Mon, 3 Oct 2005 09:54:52 -0400 In-Reply-To: <9B90AC8A-A678-4FFE-B42D-796C8D87D65B@neostrada.pl> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Marcin Dalecki Cc: andrew.patterson@hp.com, "Salyzyn, Mark" , dougg@torque.net, Linus Torvalds , Luben Tuikov , SCSI Mailing List , Linux Kernel Mailing List On 09/30/05 19:42, Marcin Dalecki wrote: > On 2005-10-01, at 00:01, Luben Tuikov wrote: > >>Why should synchronization between Process A and Process B >>reading storage attributes take place in the kernel? >> >>They can synchronize in user space. > > > In a mandatory and transparent way? How? Futex, userspace mutex, etc. All through a user space library interface. Luben