linux-kernel - Re: [PATCH] virtio_console: avoid config access from irq

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Message-ID: <20150304101436.GB26213@redhat.com>
Date:	Wed, 4 Mar 2015 11:14:36 +0100
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Amit Shah <amit.shah@...hat.com>, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] virtio_console: avoid config access from irq

On Wed, Mar 04, 2015 at 11:08:18AM +1030, Rusty Russell wrote:
> Amit Shah <amit.shah@...hat.com> writes:
> > On (Sat) 28 Feb 2015 [18:42:25], Michael S. Tsirkin wrote:
> >> when multiport is off, virtio console invokes config access from irq
> >> context, config access is blocking on s390.
> >> Fix this up by scheduling work from config irq - similar to what we do
> >> for multiport configs.
> >> 
> >> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> >
> > Reviewed-by: Amit Shah <amit.shah@...hat.com>
> 
> Applied, thanks.
> 
> Should these be CC: stable?
> 
> Cheers,
> Rusty.

Yes, you are right.
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