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From: Cornelia Huck <cornelia.huck@de.ibm.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 07/16] virtio-blk: drop config_mutex
Date: Mon, 6 Oct 2014 13:48:45 +0200	[thread overview]
Message-ID: <20141006134845.157ba74f.cornelia.huck@de.ibm.com> (raw)
In-Reply-To: <1412525038-15871-8-git-send-email-mst@redhat.com>

On Sun, 5 Oct 2014 19:07:10 +0300
"Michael S. Tsirkin" <mst@redhat.com> wrote:

> config_mutex served two purposes: prevent multiple concurrent config
> change handlers, and synchronize access to config_enable flag.
> 
> Since commit dbf2576e37da0fcc7aacbfbb9fd5d3de7888a3c1
>     workqueue: make all workqueues non-reentrant
> all workqueues are non-reentrant, and config_enable
> is now gone.
> 
> Get rid of the unnecessary lock.
> 
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
>  drivers/block/virtio_blk.c | 8 --------
>  1 file changed, 8 deletions(-)
> 

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>


  reply	other threads:[~2014-10-06 11:48 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-05 16:06 [PATCH 00/16] virtio: fix spec compliance issues Michael S. Tsirkin
2014-10-05 16:06 ` [PATCH 01/16] virtio_pci: fix virtio spec compliance on restore Michael S. Tsirkin
2014-10-05 16:06 ` [PATCH 02/16] virtio: unify config_changed handling Michael S. Tsirkin
2014-10-06  9:20   ` Cornelia Huck
2014-10-05 16:06 ` [PATCH 03/16] virtio: refactor to use drv_to_virtio Michael S. Tsirkin
2014-10-06 10:34   ` Cornelia Huck
2014-10-05 16:07 ` [PATCH 04/16] virtio-pci: move freeze/restore to virtio core Michael S. Tsirkin
2014-10-06 10:54   ` Cornelia Huck
2014-10-05 16:07 ` [PATCH 05/16] virtio: defer config changed notifications Michael S. Tsirkin
2014-10-06 11:33   ` Cornelia Huck
2014-10-06 12:00     ` Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 06/16] virtio_blk: drop config_enable Michael S. Tsirkin
2014-10-06 11:42   ` Cornelia Huck
2014-10-06 12:09     ` Michael S. Tsirkin
2014-10-06 12:20       ` Cornelia Huck
2014-10-06 12:31         ` Michael S. Tsirkin
2014-10-06 12:55           ` Cornelia Huck
2014-10-05 16:07 ` [PATCH 07/16] virtio-blk: drop config_mutex Michael S. Tsirkin
2014-10-06 11:48   ` Cornelia Huck [this message]
2014-10-05 16:07 ` [PATCH 08/16] virtio_net: drop config_enable Michael S. Tsirkin
2014-10-06 11:50   ` Cornelia Huck
2014-10-06 12:10     ` Michael S. Tsirkin
2014-10-06 19:02   ` David Miller
2014-10-07  6:49     ` Michael S. Tsirkin
2014-10-07 15:36       ` David Miller
2014-10-07 15:42         ` Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 09/16] virtio-net: drop config_mutex Michael S. Tsirkin
2014-10-06 11:46   ` Sergei Shtylyov
2014-10-06 11:56     ` Michael S. Tsirkin
2014-10-06 12:07       ` Sergei Shtylyov
2014-10-06 12:22         ` Michael S. Tsirkin
2014-10-06 12:31           ` Sergei Shtylyov
2014-10-06 11:56   ` Cornelia Huck
2014-10-06 12:01     ` Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 10/16] virtio: add API to enable VQs early Michael S. Tsirkin
2014-10-06 14:08   ` Cornelia Huck
2014-10-06 14:51     ` Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 11/16] virtio_net: minor cleanup Michael S. Tsirkin
2014-10-06 12:06   ` Cornelia Huck
2014-10-05 16:07 ` [PATCH 12/16] virtio_net: enable VQs early Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 13/16] virtio_blk: " Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 14/16] virtio_console: " Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 15/16] 9p/trans_virtio: " Michael S. Tsirkin
2014-10-05 16:07 ` [PATCH 16/16] virtio_net: fix use after free on allocation failure Michael S. Tsirkin
2014-10-06 14:17   ` Cornelia Huck

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