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

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Message-ID: <20150302055625.GE26196@grmbl.mre>
Date:	Mon, 2 Mar 2015 11:26:25 +0530
From:	Amit Shah <amit.shah@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	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 (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>

		Amit
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