public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: 2.6.28: How come some kernel options cannot be disabled for non-existent hardware?
Date: Tue, 30 Dec 2008 13:14:47 +0000	[thread overview]
Message-ID: <20081230131447.GA14942@srcf.ucam.org> (raw)
In-Reply-To: <alpine.DEB.1.10.0812300641390.11356@p34.internal.lan>

On Tue, Dec 30, 2008 at 07:25:42AM -0500, Justin Piszcz wrote:

> It still shows up as enabled and it is in dmesg shown above.  How come 
> some kernel options are enabled and cannot (easily?) be disabled for 
> hardware that does not exist in my machine?

It's enabled by the ATA_ACPI support so libata can handle ACPI-based 
drive hotswaps. You can check these by looking at the help for an option 
in make menuconfig. That'll tell you what's selecting an option.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2008-12-30 13:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-30 12:25 2.6.28: How come some kernel options cannot be disabled for non-existent hardware? Justin Piszcz
2008-12-30 13:14 ` Matthew Garrett [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-12-30 13:37 Nick Warne

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20081230131447.GA14942@srcf.ucam.org \
    --to=mjg59@srcf.ucam.org \
    --cc=jpiszcz@lucidpixels.com \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox