From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D0FDC32750 for ; Fri, 2 Aug 2019 07:30:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F37320657 for ; Fri, 2 Aug 2019 07:30:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389682AbfHBHaW (ORCPT ); Fri, 2 Aug 2019 03:30:22 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:41065 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389656AbfHBHaW (ORCPT ); Fri, 2 Aug 2019 03:30:22 -0400 Received: by mail-wr1-f67.google.com with SMTP id c2so72860552wrm.8 for ; Fri, 02 Aug 2019 00:30:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=qpvX7/WeVyRtLNS5W1XR6+ViveiHMM5DFdzi+nH8f/c=; b=YxI64iag55vfjsGmLzQtERLKRusLHZJ+r/Os6eiS5SgkNWMa9XDDJH644yDGiW356O oAGfwDnP4KSaUtSNN2sgTws7IBgb84YFg0+qW+hI8uaTzmdowjuySqyTewGKsdYVVl1T LCKn5xd8jcu/mYtUsvNh+waIK7q+FacqnxKPcp+66OS/k1OSx//VrNlncnhLcLhboBI7 jA6GWGDfIVJB6EJ4jCqYaT6RFEcWhJbnXbC28YfnJpXPDEQc72ZH4yoPCnkvq62pAE/S v1jLe1DLzn6BqAAnm8Vevk7nz9fAyKdVcsqHUL6A5iE/xNT/BAUXtllpIF7yd2hl1lT6 sH8g== X-Gm-Message-State: APjAAAW9556jINbeXJdnn0LJkPfx+TGewUpXI1oD2l7PTDmMmiTRtpQW 86e3A68XA4XLCSyWWl6+3fbzqg== X-Google-Smtp-Source: APXvYqxmdlPd/oQ5dQRfxfIqrgz1a/a7DfY/skn79VPh1U4+qZY7pWaVE7vccEualPXpFdaLBMOXjw== X-Received: by 2002:adf:9f0e:: with SMTP id l14mr4855268wrf.23.1564731020432; Fri, 02 Aug 2019 00:30:20 -0700 (PDT) Received: from vitty.brq.redhat.com (ip-89-176-127-93.net.upcbroadband.cz. [89.176.127.93]) by smtp.gmail.com with ESMTPSA id c78sm102668211wmd.16.2019.08.02.00.30.19 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 02 Aug 2019 00:30:19 -0700 (PDT) From: Vitaly Kuznetsov To: Branden Bonaby Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org Subject: Re: [PATCH 0/3] hv: vmbus: add fuzz testing to hv devices In-Reply-To: References: Date: Fri, 02 Aug 2019 09:30:18 +0200 Message-ID: <87ftmkgh2t.fsf@vitty.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Branden Bonaby 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