linux-kernel - Re: [PATCH 2/4] vhost: move features to core

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Date:	Thu, 10 Sep 2015 22:15:05 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>, linux-kernel@...r.kernel.org
Cc:	"Xie, Huawei" <huawei.xie@...el.com>,
	virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 2/4] vhost: move features to core

Hello.

On 09/10/2015 10:23 AM, Michael S. Tsirkin wrote:

> virtio 1 and any layout are core features, move them
> there. This fixes vhost test.
>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

[...]
> diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
> index d9c501e..f2882ac 100644
> --- a/drivers/vhost/test.c
> +++ b/drivers/vhost/test.c
> @@ -277,10 +277,13 @@ static long vhost_test_ioctl(struct file *f, unsigned int ioctl,
>   			return -EFAULT;
>   		return 0;
>   	case VHOST_SET_FEATURES:
> +		printk(KERN_ERR "1\n");
>   		if (copy_from_user(&features, featurep, sizeof features))
>   			return -EFAULT;
> +		printk(KERN_ERR "2\n");
>   		if (features & ~VHOST_FEATURES)
>   			return -EOPNOTSUPP;
> +		printk(KERN_ERR "3\n");
>   		return vhost_test_set_features(n, features);
>   	case VHOST_RESET_OWNER:
>   		return vhost_test_reset_owner(n);

    Debugging printk's remained?

MBR, Sergei

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