linux-kernel - Re: [PATCH v5 07/14] vfio/mdev: idxd: add 1dwq-v1 mdev type

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Date:   Wed, 10 Feb 2021 20:00:28 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Dave Jiang <dave.jiang@...el.com>
CC:     <alex.williamson@...hat.com>, <kwankhede@...dia.com>,
        <tglx@...utronix.de>, <vkoul@...nel.org>, <megha.dey@...el.com>,
        <jacob.jun.pan@...el.com>, <ashok.raj@...el.com>,
        <yi.l.liu@...el.com>, <baolu.lu@...el.com>, <kevin.tian@...el.com>,
        <sanjay.k.kumar@...el.com>, <tony.luck@...el.com>,
        <dan.j.williams@...el.com>, <eric.auger@...hat.com>,
        <parav@...lanox.com>, <netanelg@...lanox.com>,
        <shahafs@...lanox.com>, <pbonzini@...hat.com>,
        <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kvm@...r.kernel.org>
Subject: Re: [PATCH v5 07/14] vfio/mdev: idxd: add 1dwq-v1 mdev type

On Fri, Feb 05, 2021 at 01:53:37PM -0700, Dave Jiang wrote:

> -static const struct mdev_parent_ops idxd_vdcm_ops = {
> +static ssize_t name_show(struct kobject *kobj, struct device *dev, char *buf)
> +{
> +	struct vdcm_idxd_type *type;
> +
> +	type = idxd_vdcm_find_vidxd_type(dev, kobject_name(kobj));
> +
> +	if (type)
> +		return sprintf(buf, "%s\n", type->name);
> +
> +	return -EINVAL;

Success oriented flow

Jason