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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Kevin O'Connor <kevin@koconnor.net>,
	kvm@vger.kernel.org, seabios-devel <seabios@seabios.org>,
	qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org,
	target-devel@vger.kernel.org,
	Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [PATCH V3 WIP 3/3] disable vhost_verify_ring_mappings check
Date: Thu, 28 Mar 2013 06:13:31 -0400 (EDT)	[thread overview]
Message-ID: <8300718.16452772.1364465611936.JavaMail.root@redhat.com> (raw)
In-Reply-To: <20130328090416.GA18482@redhat.com>

> I think it's the right thing to do, but maybe not the right place
> to do this, need to reset after all IO is done, before
> ring memory is write protected.

Our emails are crossing each other unfortunately, but I want to
reinforce this: ring memory is not write protected.  Remember that
SeaBIOS can even provide virtio-scsi access to DOS, so you must
not reset the device.  It must remain functional all the time,
and the OS's own driver will reset it when it's started.

Paolo

  parent reply	other threads:[~2013-03-28 10:13 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-19  0:34 [PATCH V3 WIP 0/3] vhost-scsi: new device supporting the tcm_vhost Linux kernel module Asias He
2013-03-19  0:34 ` [PATCH V3 WIP 1/3] virtio-scsi: create VirtIOSCSICommon Asias He
2013-03-19  0:34 ` [PATCH V3 WIP 2/3] vhost-scsi: new device supporting the tcm_vhost Linux kernel module Asias He
2013-03-19  0:34 ` [PATCH V3 WIP 3/3] disable vhost_verify_ring_mappings check Asias He
     [not found] ` <1363653285-23776-3-git-send-email-asias@redhat.com>
2013-03-19  8:40   ` [PATCH V3 WIP 2/3] vhost-scsi: new device supporting the tcm_vhost Linux kernel module Stefan Hajnoczi
     [not found] ` <1363653285-23776-4-git-send-email-asias@redhat.com>
2013-03-19  8:40   ` [PATCH V3 WIP 3/3] disable vhost_verify_ring_mappings check Stefan Hajnoczi
2013-03-19  8:47     ` Asias He
2013-03-20  1:57     ` Nicholas A. Bellinger
     [not found]     ` <1363744628.13070.28.camel@haakon2.linux-iscsi.org>
2013-03-20  9:51       ` Michael S. Tsirkin
2013-03-27 21:31         ` Nicholas A. Bellinger
     [not found]         ` <1364419887.17698.19.camel@haakon2.linux-iscsi.org>
2013-03-27 21:56           ` Michael S. Tsirkin
     [not found]           ` <20130327215625.GC10678@redhat.com>
2013-03-27 22:33             ` Nicholas A. Bellinger
     [not found]             ` <1364423629.17698.25.camel@haakon2.linux-iscsi.org>
2013-03-28  6:45               ` Nicholas A. Bellinger
2013-03-28  7:35                 ` Nicholas A. Bellinger
     [not found]                 ` <1364456142.10253.6.camel@haakon2.linux-iscsi.org>
2013-03-28  9:04                   ` Michael S. Tsirkin
2013-03-28 10:03                     ` Paolo Bonzini
2013-03-29  2:47                       ` Nicholas A. Bellinger
2013-03-28 10:13                     ` Paolo Bonzini [this message]
2013-03-29  2:53                       ` Nicholas A. Bellinger
     [not found]                       ` <1364525606.10253.69.camel@haakon2.linux-iscsi.org>
2013-03-29  8:14                         ` Paolo Bonzini
2013-04-02  1:05                           ` Nicholas A. Bellinger
     [not found]                           ` <1364864747.3898.8.camel@haakon2.linux-iscsi.org>
2013-04-02 13:27                             ` Michael S. Tsirkin
2013-04-03  4:04                               ` Nicholas A. Bellinger
     [not found]                               ` <1364961850.3898.261.camel@haakon2.linux-iscsi.org>
2013-04-03  4:59                                 ` Nicholas A. Bellinger
2013-04-03  6:47                                   ` Paolo Bonzini
2013-03-29  3:28                     ` Nicholas A. Bellinger

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