From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Implementing NVMHCI... Date: Sun, 12 Apr 2009 13:29:52 -0400 Message-ID: <49E22510.90608@garzik.org> References: <49E0D47B.9070205@garzik.org> <20090411203246.513a0892@lxorguk.ukuu.org.uk> <20090412002527.631a5a89@lxorguk.ukuu.org.uk> <49E1F967.9090106@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:48049 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753503AbZDLRan (ORCPT ); Sun, 12 Apr 2009 13:30:43 -0400 In-Reply-To: <49E1F967.9090106@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Alan Cox , Grant Grundler , Linus Torvalds , Linux IDE mailing list , LKML , Jens Axboe , Arjan van de Ven Mark Lord wrote: > Alan Cox wrote: > .. >> Alternatively you go for read-modify-write (nasty performance hit >> especially for RAID or a log structured fs). > .. > > Initially, at least, I'd guess that this NVM-HCI thing is all about > built-in flash memory on motherboards, to hold the "instant-boot" > software that hardware companies (eg. ASUS) are rapidly growing fond of. > > At present, that means a mostly read-only Linux installation, > though MS for sure are hoping for Moore's Law to kick in and > provide sufficient space for a copy of Vista there or something. Yeah... instant boot, and "trusted boot" (booting a signed image), storage of useful details like boot drive layouts, etc. I'm sure we can come up with other funs uses, too... Jeff