From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755393AbeEaO4M (ORCPT ); Thu, 31 May 2018 10:56:12 -0400 Received: from mail-io0-f196.google.com ([209.85.223.196]:34250 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755134AbeEaO4H (ORCPT ); Thu, 31 May 2018 10:56:07 -0400 X-Google-Smtp-Source: ADUXVKIjbifICFD9DJ1kHyPRngxTSF9kZoaA3V4w4oe9o0OMT6TouizkRdh7L0l+AUSxN58HF27fpQ== Subject: Re: [PATCH BUGFIX/IMPROVEMENTS 0/4] bfq: fix regressions on slow virtual machines To: Paolo Valente Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ulf.hansson@linaro.org, broonie@kernel.org, linus.walleij@linaro.org, bfq-iosched@googlegroups.com, oleksandr@natalenko.name, sapienza.dav@gmail.com, 177992@studenti.unimore.it References: <20180531144508.3927-1-paolo.valente@linaro.org> From: Jens Axboe Message-ID: <2e19f92d-5319-f023-7f4c-89ee81c58348@kernel.dk> Date: Thu, 31 May 2018 08:56:04 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 In-Reply-To: <20180531144508.3927-1-paolo.valente@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/31/18 8:45 AM, Paolo Valente wrote: > Hi, > we have bumped into some BFQ latency regressions on slow virtual > machines. The patches in this series fix all these regressions, apart > from the first patch, which provides an indirect contribution, by > improving the description of the mechanisms affected by these > regressions. Pulled for 4.18, thanks Paolo. -- Jens Axboe