From: Anthony Liguori <anthony@codemonkey.ws>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: greg@kroah.com, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Amit Shah <amit.shah@redhat.com>, Alan Cox <alan@linux.intel.com>
Subject: Re: [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication
Date: Tue, 15 Sep 2009 09:09:41 -0500 [thread overview]
Message-ID: <4AAFA025.3050401@codemonkey.ws> (raw)
In-Reply-To: <4AAF9FD8.1010008@redhat.com>
Gerd Hoffmann wrote:
>> Userspace can detect when new virtio-consoles appear via udev events.
>> When it sees a new ttyVN, it can then look in sysfs to discover it's
>> name.
>
> No. udev can create symlinks for you, so apps don't have to dig into
> sysfs. You'll need a rule along the lines (untested):
>
> SUBSYSTEM=="virtio", \
> DRIVERS="virtio-console", \
> SYMLINK+="vcon/$attr{name}"
>
> then udev will create a /dev/vcon/org.qemu.clipboard symlink pointing
> to dev/ttyV0. Apps can just open /dev/vcon/$name then.
That works equally well. I don't necessarily think that naming is more
useful.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2009-09-15 14:09 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1252678386-17404-1-git-send-email-amit.shah@redhat.com>
2009-09-11 14:13 ` [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication Amit Shah
[not found] ` <1252678386-17404-2-git-send-email-amit.shah@redhat.com>
2009-09-11 16:00 ` Alan Cox
[not found] ` <20090911170010.34c80f2d@linux.intel.com>
2009-09-11 16:38 ` Amit Shah
[not found] ` <20090911163806.GB25535@amit-x200.redhat.com>
2009-09-11 17:26 ` Anthony Liguori
[not found] ` <4AAA8838.1080106@codemonkey.ws>
2009-09-11 17:33 ` Amit Shah
[not found] ` <20090911173307.GB27046@amit-x200.redhat.com>
2009-09-11 17:35 ` Anthony Liguori
[not found] ` <4AAA8A56.3040707@codemonkey.ws>
2009-09-16 10:23 ` Alan Cox
[not found] ` <20090916112332.6bf981a5@linux.intel.com>
2009-09-16 22:20 ` Anthony Liguori
[not found] ` <4AB164A0.8000402@codemonkey.ws>
2009-09-17 13:06 ` Markus Armbruster
[not found] ` <87tyz1en5f.fsf@pike.pond.sub.org>
2009-09-17 13:15 ` Alan Cox
[not found] ` <20090917141531.4d2489d4@lxorguk.ukuu.org.uk>
2009-09-17 13:41 ` Amit Shah
[not found] ` <20090917134125.GA27511@amit-x200.redhat.com>
2009-09-17 15:57 ` Alan Cox
[not found] ` <20090917165701.400ad28c@lxorguk.ukuu.org.uk>
2009-09-17 16:46 ` Amit Shah
2009-09-18 16:00 ` Alan Cox
[not found] ` <20090918170048.53ba8cf6@linux.intel.com>
2009-09-18 17:55 ` Anthony Liguori
[not found] ` <4AB3C988.2040303@codemonkey.ws>
2009-09-18 17:57 ` H. Peter Anvin
[not found] ` <4AB3CA27.1040307@zytor.com>
2009-09-18 18:02 ` Anthony Liguori
2009-09-19 7:04 ` Amit Shah
2009-09-18 20:11 ` Gerd Hoffmann
2009-09-19 7:01 ` Amit Shah
2009-09-21 10:06 ` Alan Cox
2009-09-15 12:37 ` Amit Shah
[not found] ` <20090915123752.GB5247@amit-x200.redhat.com>
2009-09-15 12:57 ` Anthony Liguori
[not found] ` <4AAF8F26.8030503@codemonkey.ws>
2009-09-15 13:03 ` Amit Shah
[not found] ` <20090915130357.GC5247@amit-x200.redhat.com>
2009-09-15 13:37 ` Anthony Liguori
2009-09-15 14:08 ` Gerd Hoffmann
2009-09-15 14:09 ` Anthony Liguori [this message]
2009-09-22 2:44 ` Rusty Russell
[not found] ` <200909221214.04340.rusty@rustcorp.com.au>
2009-09-22 15:45 ` Amit Shah
[not found] ` <20090922154549.GA11379@amit-x200.redhat.com>
2009-09-29 9:24 ` Amit Shah
[not found] ` <20090929092431.GA3368@amit-x200.redhat.com>
2009-09-29 10:09 ` Christian Borntraeger
[not found] ` <200909291209.25775.borntraeger@de.ibm.com>
2009-09-29 10:33 ` Amit Shah
[not found] ` <20090929103354.GA3766@amit-x200.redhat.com>
2009-09-29 11:02 ` Christian Borntraeger
[not found] ` <200909291302.51432.borntraeger@de.ibm.com>
2009-09-29 11:40 ` Christian Borntraeger
2009-09-29 12:03 ` Christian Borntraeger
[not found] ` <200909291403.08547.borntraeger@de.ibm.com>
2009-09-29 12:20 ` Amit Shah
[not found] ` <20090929122006.GB3766@amit-x200.redhat.com>
2009-09-29 12:56 ` Christian Borntraeger
[not found] ` <200909291456.56723.borntraeger@de.ibm.com>
2009-09-29 13:09 ` Amit Shah
[not found] ` <20090929130950.GA23395@amit-x200.redhat.com>
2009-09-29 13:31 ` Christian Borntraeger
[not found] ` <200909291531.23389.borntraeger@de.ibm.com>
2009-09-30 17:13 ` Amit Shah
[not found] ` <20090930171321.GA17200@amit-x200.redhat.com>
2009-10-01 8:17 ` Christian Borntraeger
[not found] ` <200910011017.29502.borntraeger@de.ibm.com>
2009-10-01 8:47 ` Amit Shah
[not found] ` <20091001084737.GA8385@amit-x200.redhat.com>
2009-10-01 8:55 ` Christian Borntraeger
2009-10-01 9:00 ` Christian Borntraeger
[not found] ` <200910011100.48087.borntraeger@de.ibm.com>
2009-10-01 10:04 ` Amit Shah
2009-10-01 10:28 ` Christian Borntraeger
[not found] ` <200910011228.30563.borntraeger@de.ibm.com>
2009-10-01 10:42 ` Amit Shah
2009-10-01 11:58 ` Amit Shah
[not found] ` <20091001114244.GB12334@amit-x200.redhat.com>
2009-10-01 12:04 ` Christian Borntraeger
[not found] ` <200910011404.37601.borntraeger@de.ibm.com>
2009-10-01 13:50 ` Amit Shah
2009-10-05 14:05 ` Amit Shah
2009-10-06 6:49 ` Christian Borntraeger
2009-10-06 6:55 ` Amit Shah
2009-09-29 13:11 ` Rusty Russell
[not found] ` <200909292241.46275.rusty@rustcorp.com.au>
2009-09-29 13:24 ` Amit Shah
[not found] <1252483925-26336-1-git-send-email-amit.shah@redhat.com>
2009-09-09 8:12 ` Amit Shah
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