From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751440AbbCBF4v (ORCPT ); Mon, 2 Mar 2015 00:56:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:38879 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751267AbbCBF4r (ORCPT ); Mon, 2 Mar 2015 00:56:47 -0500 Date: Mon, 2 Mar 2015 11:26:25 +0530 From: Amit Shah To: "Michael S. Tsirkin" Cc: linux-kernel@vger.kernel.org, Rusty Russell , Arnd Bergmann , Greg Kroah-Hartman , virtualization@lists.linux-foundation.org Subject: Re: [PATCH] virtio_console: avoid config access from irq Message-ID: <20150302055625.GE26196@grmbl.mre> References: <1425145305-27917-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1425145305-27917-1-git-send-email-mst@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Reviewed-by: Amit Shah Amit