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Sat, 5 Sep 2020 10:52:06 -0400 (EDT) Date: Sat, 5 Sep 2020 16:52:25 +0200 From: Greg KH To: Jeffrey Walton Subject: Re: Disable EISA and probes Message-ID: <20200905145225.GA101470@kroah.com> References: <20200905061514.GA177286@kroah.com> <20200905113740.GA199480@kroah.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org On Sat, Sep 05, 2020 at 09:17:43AM -0400, Jeffrey Walton wrote: > On Sat, Sep 5, 2020 at 7:37 AM Greg KH wrote: > > > > On Sat, Sep 05, 2020 at 07:31:13AM -0400, Jeffrey Walton wrote: > > > On Sat, Sep 5, 2020 at 2:15 AM Greg KH wrote: > > > > > > > > On Fri, Sep 04, 2020 at 10:57:38PM -0400, Jeffrey Walton wrote: > > > > > Hi Everyone, > > > > > > > > > > I would like to disable EISA and its probes during boot. I found the > > > > > docs at https://www.kernel.org/doc/html/latest/driver-api/eisa.html, > > > > > but it does not discuss how to disable EISA or the probes. > > > > > > > > > > I also found https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1543919, > > > > > where folks are wondering why EISA is enabled by default nowadays. And > > > > > one person asks about a kernel option to disable it (like I am doing). > > > > > > > > > > I'd like to add a boot param like eisa=0 or eisa=off, but I suspect > > > > > it's not that easy. Looking at the three documented kernel parameters, > > > > > they all enable EISA and probes. > > > > > > > > > > How do I disable EISA and the probes? > > > > > > > > Build a kernel without EISA in it at all? That's the simplest way as > > > > you must have some custom hardware that doesn't like this, so a > > > > custom-configuration seems like the best option. > > > > > > Nothing custom. I just have modern hardware. > > > > > > What's the purpose of including EISA by default? It has not been used > > > in 25 years. > > > > distro kernels have to support everything. The kernel should still just > > work just fine with it enabled but not present, right? > > Modern distros and their minimum requirements preclude EISA. One > cannot meet a distros minimum requirements and have EISA. Then file a bug with your distro to have it removed from their kernel images. > > > > Did you try that and it did not work? What is the problem of EISA at > > > > boot anyway? > > > > > > No, I did not build a custom kernel. I was looking for kernel options > > > to disable it. > > > > Again, why? What is breaking because it is enabled in your kernel? > > Why do you assume something is broke? Why would you want to disable it? It's not running on your system, so how can it affect you? greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies