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From: Greg KH <greg@kroah.com>
To: Jeffrey Walton <noloader@gmail.com>
Cc: kernelnewbies <kernelnewbies@kernelnewbies.org>
Subject: Re: Disable EISA and probes
Date: Sat, 5 Sep 2020 08:15:14 +0200	[thread overview]
Message-ID: <20200905061514.GA177286@kroah.com> (raw)
In-Reply-To: <CAH8yC8k-FcBGt0c7oew2hQjw7qNO+ZQ-f6zA1vdZU-3qWt5Ehg@mail.gmail.com>

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.

Did you try that and it did not work?  What is the problem of EISA at
boot anyway?

thanks,

greg k-h

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  reply	other threads:[~2020-09-05  6:15 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-05  2:57 Disable EISA and probes Jeffrey Walton
2020-09-05  6:15 ` Greg KH [this message]
2020-09-05 11:31   ` Jeffrey Walton
2020-09-05 11:37     ` Greg KH
2020-09-05 13:17       ` Jeffrey Walton
2020-09-05 14:52         ` Greg KH
2020-09-05 15:11           ` Jeffrey Walton
2020-09-05 20:25             ` Valdis Klētnieks

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