linux-kernel - Re: [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication

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Message-Id: <200910011404.37601.borntraeger@de.ibm.com>
Date:	Thu, 1 Oct 2009 14:04:37 +0200
From:	Christian Borntraeger <borntraeger@...ibm.com>
To:	Amit Shah <amit.shah@...hat.com>
Cc:	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, Alan Cox <alan@...ux.intel.com>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication

Am Donnerstag 01 Oktober 2009 13:58:01 schrieben Sie:
> I spawned two ports; one doing 'find /' and the other transferring a
> 800M file from the host to the guest, both running at the same time.
> This is on top of the latest Linus tree + my patches. It works fine.
> 
> Can you give me any additional info that can help me nail this down?

This is just a wild guess: My guest has 8 cpus and virtio requires that users do 
a proper locking. But as far as I see you use schedule_work which should be 
single threaded. 
Or maybe this is an existing bug that is just exposed by your patch - dont know. 

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