From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jared Hulbert" Subject: Re: [PATCH 00/10] AXFS: Advanced XIP filesystem Date: Thu, 21 Aug 2008 07:42:39 -0700 Message-ID: <6934efce0808210742v14a093e8vde31f9eea0555f99@mail.gmail.com> References: <48AD00C4.6060302@gmail.com> <20080821083916.GF5706@disturbed> <6934efce0808210719s6458dc77w2c0755a4bf90bf8a@mail.gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=fBwJLueREw5hNQm0Q8gEI8D2szh0m7cC/2eV5z9cGTk=; b=KKgA7iBYvS8ngREJM1Ur2Rk+qibyEx7YBUNLpEIPyWmd6E5ynzk0WvNNOfYU6Yii/5 UT+MlfPFnII8gWB0yKXNKkm6dN4cjfxnYBVVjCPt91vTNunEcPRQyTp4CUE65yWla9L0 qK0TQkqkwU5B0A5bvmuRHralns3ZKLyzRTy+M= In-Reply-To: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Leon Woestenberg Cc: Linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org, linux-mtd , =?UTF-8?Q?J=C3=B6rn_Engel?= , tim.bird@am.sony.com, cotte@de.ibm.com, nickpiggin@yahoo.com.au > What if the use-case did not cover all cases of XIP use? > > If a compressed page is attempted to be executed, will the filesystem > fall back to decompression to RAM and execution from RAM, or will this > result in a faulty system? No this will not result in a faulty system. It is perfectly acceptable to have all pages in a file XIP, no pages in a fill XIP, and anywhere in between. > The design choices look real good. Congrats on the achievement. thanks!