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

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Message-ID: <87fv9lk35x.fsf@rustcorp.com.au>
Date:	Wed, 04 Mar 2015 11:08:18 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Amit Shah <amit.shah@...hat.com>,
	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	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

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.
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