From: linas@austin.ibm.com (Linas Vepstas)
To: linux-hotplug@vger.kernel.org
Subject: Re: work-around for video4linux sysfs
Date: Thu, 02 Aug 2007 22:39:52 +0000 [thread overview]
Message-ID: <20070802223952.GJ26837@austin.ibm.com> (raw)
In-Reply-To: <20070731195136.GW9881@outflux.net>
On Fri, Aug 03, 2007 at 12:30:12AM +0200, Kay Sievers wrote:
> On Thu, 2007-08-02 at 07:05 -0700, Kees Cook wrote:
> >
> > pci-0000:00:0e.0-scsi-0:0:0:0-part1
> > ^driver
> > ^simple enumeration
>
> It's the subsystem not the driver. And it's not an enumeration based on
> discovery order, it's the PCI slot number which doesn't change, also
I haven't tried recently, but in the "good old days", I used to
get bitten hard every time I shuffled around the PCI cards from
one slot to another, to make room for one more.
> SCSI uses stable interface and port numbers here.
Hehe. SCSI LUN's can change when one is adding and removing failed
disks, or shuffling around so that one can re-cable. That was
another source of heartburn.
The only viable solution is to work off some unique ID on the
device (e.g. a MAC address on ethernet).
--linas
-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems? Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
_______________________________________________
Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net
Linux-hotplug-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel
next prev parent reply other threads:[~2007-08-02 22:39 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-31 19:51 work-around for video4linux sysfs Kees Cook
2007-08-01 20:52 ` Greg KH
2007-08-01 21:31 ` Kees Cook
2007-08-01 21:58 ` Greg KH
2007-08-01 22:22 ` Kees Cook
2007-08-01 22:39 ` Greg KH
2007-08-01 23:14 ` Kees Cook
2007-08-01 23:28 ` Greg KH
2007-08-01 23:48 ` Kees Cook
2007-08-02 9:24 ` Kay Sievers
2007-08-02 14:05 ` Kees Cook
2007-08-02 22:30 ` Kay Sievers
2007-08-02 22:39 ` Linas Vepstas [this message]
2007-08-02 23:02 ` Kay Sievers
2007-08-07 0:39 ` Kees Cook
2007-08-07 9:24 ` Kay Sievers
2007-08-07 19:36 ` Kees Cook
2007-08-07 22:58 ` Kay Sievers
2007-08-07 23:18 ` Kees Cook
2007-08-08 10:48 ` Kay Sievers
2007-08-09 19:38 ` Kees Cook
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=20070802223952.GJ26837@austin.ibm.com \
--to=linas@austin.ibm.com \
--cc=linux-hotplug@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;
as well as URLs for NNTP newsgroup(s).