linux-kernel - Re: [PATCH v4 2/2] vfio/mdev: Re-order sysfs attribute creation

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Date:   Tue, 22 May 2018 10:14:53 +0200
From:   Cornelia Huck <cohuck@...hat.com>
To:     Alex Williamson <alex.williamson@...hat.com>
Cc:     kwankhede@...dia.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, pasic@...ux.ibm.com
Subject: Re: [PATCH v4 2/2] vfio/mdev: Re-order sysfs attribute creation

On Fri, 18 May 2018 13:10:35 -0600
Alex Williamson <alex.williamson@...hat.com> wrote:

> There exists a gap at the end of mdev_device_create() where the device
> is visible to userspace, but we're not yet ready to handle removal, as
> triggered through the 'remove' attribute.  We handle this properly in
> mdev_device_remove() with an -EAGAIN return, but we can marginally
> reduce this gap by adding this attribute as a final step of our sysfs
> setup.
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
> ---
>  drivers/vfio/mdev/mdev_sysfs.c |   14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)

Reviewed-by: Cornelia Huck <cohuck@...hat.com>