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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: "Xia, Chenbo" <chenbo.xia@intel.com>,
	Adrian Moreno <amorenoz@redhat.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Ye, Xiaolong" <xiaolong.ye@intel.com>,
	"shahafs@mellanox.com" <shahafs@mellanox.com>,
	"matan@mellanox.com" <matan@mellanox.com>,
	"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
	"Wang, Xiao W" <xiao.w.wang@intel.com>,
	"viacheslavo@mellanox.com" <viacheslavo@mellanox.com>
Cc: "jasowang@redhat.com" <jasowang@redhat.com>,
	"lulu@redhat.com" <lulu@redhat.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v3 1/8] vhost: fix virtio ready flag check
Date: Wed, 8 Jul 2020 15:22:44 +0100
Message-ID: <7f88eebd-b74d-f994-e378-3f60a28b5613@intel.com> (raw)
In-Reply-To: <MN2PR11MB4063FA5A4410447665B658269C660@MN2PR11MB4063.namprd11.prod.outlook.com>

On 7/7/2020 4:21 AM, Xia, Chenbo wrote:
> 
>> -----Original Message-----
>> From: Adrian Moreno <amorenoz@redhat.com>
>> Sent: Monday, July 6, 2020 7:25 PM
>> To: dev@dpdk.org; Xia, Chenbo <chenbo.xia@intel.com>; Ye, Xiaolong
>> <xiaolong.ye@intel.com>; shahafs@mellanox.com; matan@mellanox.com;
>> maxime.coquelin@redhat.com; Wang, Xiao W <xiao.w.wang@intel.com>;
>> viacheslavo@mellanox.com
>> Cc: jasowang@redhat.com; lulu@redhat.com; stable@dpdk.org
>> Subject: [PATCH v3 1/8] vhost: fix virtio ready flag check
>>
>> From: Maxime Coquelin <maxime.coquelin@redhat.com>
>>
>> Before checking whether the device is ready is done a check on whether the
>> RUNNING flag is set. Then the READY flag is set if virtio_is_ready() returns true.
>>
>> While it seems to not cause any issue, it makes more sense to check whether the
>> READY flag is set and not the RUNNING one.
>>
>> Fixes: c0674b1bc898 ("vhost: move the device ready check at proper place")
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
>> ---
>>  lib/librte_vhost/vhost_user.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index
>> 6039a8fdb..5750dde6d 100644
>> --- a/lib/librte_vhost/vhost_user.c
>> +++ b/lib/librte_vhost/vhost_user.c
>> @@ -2825,7 +2825,7 @@ vhost_user_msg_handler(int vid, int fd)
>>  	}
>>
>>
>> -	if (!(dev->flags & VIRTIO_DEV_RUNNING) && virtio_is_ready(dev)) {
>> +	if (!(dev->flags & VIRTIO_DEV_READY) && virtio_is_ready(dev)) {
>>  		dev->flags |= VIRTIO_DEV_READY;
>>
>>  		if (!(dev->flags & VIRTIO_DEV_RUNNING)) {
>> --
>> 2.26.2
> 
> Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
> 

Series applied to dpdk-next-net/master, thanks.

  reply	other threads:[~2020-07-08 14:22 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-06 11:24 [dpdk-dev] [PATCH (v20.08) v3 0/8] vhost: improve Vhost/vDPA device init Adrian Moreno
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 1/8] vhost: fix virtio ready flag check Adrian Moreno
2020-07-07  3:21   ` Xia, Chenbo
2020-07-08 14:22     ` Ferruh Yigit [this message]
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 2/8] vhost: refactor Virtio ready check Adrian Moreno
2020-07-07  3:21   ` Xia, Chenbo
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 3/8] vhost: make some vDPA callbacks mandatory Adrian Moreno
2020-07-07  3:21   ` Xia, Chenbo
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 4/8] vhost: check vDPA configuration succeed Adrian Moreno
2020-07-07  3:22   ` Xia, Chenbo
2020-07-08 13:20   ` Ferruh Yigit
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 5/8] vhost: add support for virtio status Adrian Moreno
2020-07-07  3:22   ` Xia, Chenbo
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 6/8] vhost: add support for virtio get status message Adrian Moreno
2020-07-07  3:22   ` Xia, Chenbo
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 7/8] vdpa/ifc: enable status protocol feature Adrian Moreno
2020-07-07  3:22   ` Xia, Chenbo
2020-07-06 11:24 ` [dpdk-dev] [PATCH v3 8/8] vdpa/mlx5: " Adrian Moreno
2020-07-07  3:23   ` Xia, Chenbo

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