linux-kernel - Re: [PATCH 0/3] hv: vmbus: add fuzz testing to hv devices

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Message-ID: <87ftmkgh2t.fsf@vitty.brq.redhat.com>
Date:   Fri, 02 Aug 2019 09:30:18 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Branden Bonaby <brandonbonaby94@...il.com>
Cc:     linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        sashal@...nel.org
Subject: Re: [PATCH 0/3] hv: vmbus: add fuzz testing to hv devices

Branden Bonaby <brandonbonaby94@...il.com> writes:

> This patchset introduces a testing framework for Hyper-V drivers.
> This framework allows us to introduce delays in the packet receive
> path on a per-device basis. While the current code only supports 
> introducing arbitrary delays in the host/guest communication path,
> we intend to expand this to support error injection in the future.
>
> Branden Bonaby (3):
>   drivers: hv: vmbus: Introduce latency testing
>   drivers: hv: vmbus: add fuzz test attributes to sysfs
>   tools: hv: add vmbus testing tool
>
>  Documentation/ABI/stable/sysfs-bus-vmbus |  22 ++
>  drivers/hv/connection.c                  |   5 +
>  drivers/hv/ring_buffer.c                 |  10 +
>  drivers/hv/vmbus_drv.c                   |  97 ++++++-

Can we have something like CONFIG_HYPERV_TESTING and put this new 
code under #ifdef?

>  include/linux/hyperv.h                   |  14 +
>  tools/hv/vmbus_testing                   | 326 +++++++++++++++++++++++
>  6 files changed, 473 insertions(+), 1 deletion(-)
>  create mode 100644 tools/hv/vmbus_testing

-- 
Vitaly