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

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Date:   Fri, 2 Aug 2019 15:02:01 -0400
From:   Branden Bonaby <brandonbonaby94@...il.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.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

On Fri, Aug 02, 2019 at 09:30:18AM +0200, Vitaly Kuznetsov wrote:
> 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

You're right, it would be better to do it that way with ifdef's.
Will edit my patches and resend.

Branden Bonaby