From: Alan Cox <alan@linux.intel.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: kvm@vger.kernel.org, linuxppc-dev@ozlabs.org,
linux-kernel@vger.kernel.org, miltonm@bga.com,
qemu-devel@nongnu.org, borntraeger@de.ibm.com,
brueckner@linux.vnet.ibm.com, Amit Shah <amit.shah@redhat.com>,
virtualization@lists.linux-foundation.org
Subject: Re: Extending virtio_console to support multiple ports
Date: Thu, 27 Aug 2009 10:08:09 +0100 [thread overview]
Message-ID: <20090827100809.5f0aa0a7__47239.6927340471$1251397117$gmane$org@linux.intel.com> (raw)
In-Reply-To: <1251346023.20467.21.camel@pasglop>
> - Then, are we certain that there's no case where the tty layer will
> call us with some lock held or in an atomic context ? To be honest,
> I've totally lost track of the locking rules in tty land lately so it
> might well be ok, but something to verify.
Some of the less well behaved line disciplines do this and always have
done.
Alan
next prev parent reply other threads:[~2009-08-27 9:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1251181044-3696-1-git-send-email-amit.shah@redhat.com>
2009-08-25 6:17 ` [PATCH] virtio_console: Add interface for guest and host communication Amit Shah
[not found] ` <1251181044-3696-2-git-send-email-amit.shah@redhat.com>
2009-08-25 6:17 ` [PATCH 1/3] char: Emit 'CLOSED' events on char device close Amit Shah
[not found] ` <1251181044-3696-3-git-send-email-amit.shah@redhat.com>
2009-08-25 6:17 ` [PATCH 2/3] virtio-console: rename dvq to ovq Amit Shah
2009-08-25 8:16 ` [PATCH 3/3] virtio-console: Add interface for generic guest-host communication Amit Shah
2009-08-26 11:27 ` Extending virtio_console to support multiple ports Amit Shah
[not found] ` <20090826112718.GA11117@amit-x200.redhat.com>
2009-08-26 15:45 ` Amit Shah
[not found] ` <20090826154552.GA31910@amit-x200.redhat.com>
2009-08-27 4:07 ` Benjamin Herrenschmidt
2009-08-27 5:04 ` Michael Ellerman
[not found] ` <1251346023.20467.21.camel@pasglop>
2009-08-27 6:51 ` [Qemu-devel] " Amit Shah
2009-08-27 9:08 ` Alan Cox [this message]
[not found] ` <20090827100809.5f0aa0a7@linux.intel.com>
2009-08-27 9:27 ` Benjamin Herrenschmidt
[not found] ` <1251365243.20467.47.camel@pasglop>
2009-08-27 11:45 ` [PATCH] hvc_console: provide (un)locked version for hvc_resize() Hendrik Brueckner
2009-08-29 1:15 ` [Qemu-devel] Re: Extending virtio_console to support multiple ports Jamie Lokier
[not found] ` <1251349485.6267.6.camel@concordia>
2009-08-27 6:52 ` Amit Shah
[not found] ` <20090827065251.GB3218@amit-x200.redhat.com>
2009-08-27 14:13 ` Ryan Arnold
2009-08-28 17:00 ` Anthony Liguori
2009-08-30 10:10 ` Amit Shah
[not found] ` <20090830101057.GB32563@amit-x200.redhat.com>
2009-08-30 12:48 ` Anthony Liguori
[not found] ` <4A9A7525.6010707@codemonkey.ws>
2009-08-30 13:17 ` Amit Shah
[not found] ` <20090830131738.GC3401@amit-x200.redhat.com>
2009-08-31 13:17 ` Anthony Liguori
[not found] ` <4A9BCD61.2040903@codemonkey.ws>
2009-08-31 13:51 ` Amit Shah
[not found] ` <20090831135147.GA16371@amit-x200.redhat.com>
2009-08-31 14:21 ` Anthony Liguori
[not found] ` <4A9BDC59.1090801@codemonkey.ws>
2009-08-31 14:31 ` Amit Shah
[not found] ` <20090831143101.GA16943@amit-x200.redhat.com>
2009-08-31 15:56 ` Anthony Liguori
2009-08-31 16:19 ` Amit Shah
[not found] ` <20090831161925.GA22928@amit-x200.redhat.com>
2009-08-31 16:37 ` Anthony Liguori
[not found] ` <4A9BFC31.9070005@codemonkey.ws>
2009-09-21 5:20 ` Rusty Russell
2009-08-25 6:17 Amit Shah
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