Re: [PATCH V2 3/4] vmbus: add per-channel sysfs info

[Greg KH]

On Sun, Sep 17, 2017 at 08:54:18PM -0700, kys@xxxxxxxxxxxxxxxxxxxxxx wrote:
> From: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx>
> 
> This extends existing vmbus related sysfs structure to provide per-channel
> state information. This is useful when diagnosing issues with multiple
> queues in networking and storage.
> 
> The existing sysfs only displayed information about the primary
> channel. The one place it reported multiple channels was the
> channel_vp_mapping file which violated the sysfs convention
> of one value per file.
> 
> Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---
>  Documentation/ABI/stable/sysfs-bus-vmbus |  56 ++++++++++
>  drivers/hv/channel_mgmt.c                |  10 +-
>  drivers/hv/hyperv_vmbus.h                |   2 +
>  drivers/hv/vmbus_drv.c                   | 185 +++++++++++++++++++++++++++++--
>  include/linux/hyperv.h                   |   6 +
>  5 files changed, 246 insertions(+), 13 deletions(-)

Feels like a new feature to me, and not needed in 4.14-final.

thanks,

greg k-h