From mboxrd@z Thu Jan 1 00:00:00 1970 From: Corey Minyard Subject: Re: Can PAX and Rt-patch co-exist ? Date: Mon, 05 May 2014 08:20:49 -0500 Message-ID: <53679031.3000502@mvista.com> References: <53618D0A.2050609@mvista.com> <5363D5CA.2020102@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: linux-rt-users@vger.kernel.org To: Mau Z Return-path: Received: from mail-oa0-f41.google.com ([209.85.219.41]:56917 "EHLO mail-oa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932272AbaEENUw (ORCPT ); Mon, 5 May 2014 09:20:52 -0400 Received: by mail-oa0-f41.google.com with SMTP id m1so5859157oag.14 for ; Mon, 05 May 2014 06:20:51 -0700 (PDT) In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 05/03/2014 06:49 AM, Mau Z wrote: > Thanks > One last question : it the source of this patched kernel open ? No, it's part of our product line. It also has a lot of other patches integrated for board support and other features. -corey > > Thanks > Maurice > > > On Fri, May 2, 2014 at 8:28 PM, Corey Minyard wrote: >> On 05/02/2014 02:40 AM, Mau Z wrote: >>> Thanks >>> >>> The answer is very surprising. >>> I would assume that more than one person would have such an experience. >> Well, the LTSI organization may have done it. That's all I can think >> of, though. >> >>> >>> I am curious regarding the magnitude of work to be done. I am >>> especially intersted what happens when you have to handle another >>> Linux version for your distribution. >>> >>> Is this job done just once (for one specific Linux version) ? >> Once for a specific Linux version, 3.10. >> >>> or >>> You do the job once, and then do the same fixes on the other Linux >>> version (more or less) ? >>> or >>> You have to do the same job all over again in every linux version ? >> We will on the next version we release, yes. >> >>> >>> Is the following discription correct ? >>> Basically the job is >>> 1) Download kernel >>> 2) apply RT-patch >>> 3) apply PAX patch >>> 4) compile and fix warnings and errors >> Well, there's testing :). But basically yes. Resolving the conflicts >> is the biggest deal, really, in the above process. And testing is a lot >> bigger than that :). >> >> We integrate a lot of other things, so it's hard to remember the >> specific RT/PaX issues. >> >> -corey >> >>> Thanks >>> again >>> zmau >>> >>> >>> On Thu, May 1, 2014 at 2:53 AM, Corey Minyard wrote: >>>> On 04/30/2014 05:47 PM, Mau Z wrote: >>>>> I have some more questions concerning the relation between PAX and the >>>>> RT-Patch : >>>>> A) Can they work together ? >>>> It can be made to work. We have it working together in our distribution. >>>> >>>>> B) Do you know if it matters which patch is applied first ? >>>> Not really. >>>> >>>>> C) Is there any documentation about this subject ? >>>> None that I know of. I imagine that I'm the only person who has ever >>>> done this. >>>> >>>> There are some conflicts (a few are non-trivial, but not excessively >>>> complicated, IIRC). But it's not something insurmountable. You do have >>>> to have a fairly good understanding of kernel code. >>>> >>>> -corey >>>> >>>>> Thanks >>>>> zmau >>>>> -- >>>>> To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in >>>>> the body of a message to majordomo@vger.kernel.org >>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html