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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 9B9C5C7618B for ; Thu, 25 Jul 2019 05:04:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 73C7B22BF3 for ; Thu, 25 Jul 2019 05:04:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rkyHm/te" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390316AbfGYFDx (ORCPT ); Thu, 25 Jul 2019 01:03:53 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:41944 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390203AbfGYFDx (ORCPT ); Thu, 25 Jul 2019 01:03:53 -0400 Received: by mail-qt1-f195.google.com with SMTP id d17so47782998qtj.8; Wed, 24 Jul 2019 22:03:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=GuNGF4te9uGOqfh3/j24z/rr+ibi6UtsrswhQy3VB4M=; b=rkyHm/teCMVeDPLPYdgzviyhcPg6fFLtCxN9DNJdyuLIVAislbVk9PnC35UBLm1g01 qXG4hNumissyXSQhhK2qpIGiq9yVLC+biBEShD68LJsDqoG9pUl7rSOZ5Cn7sM+p4l0W eSXG2qe/XO8Gqlx62dBOIusbkYOBYxJMGW24HBBSeYMPGEgK0V5zPNqBQwfpN005/TfP UKQkfXWnoyq1KA0a6aYIxL1UP6KSvhm2c9GtdQZML4tvnIO1+cwiDVLvlOkd4kYGaM9c FrqbPujJvqtiRBhVehZI2GJmhAgYtRlQb6roxjlLFCb5qztFNj9wcW/zgetAvsM8GKt4 fijA== 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:date:message-id:in-reply-to :references; bh=GuNGF4te9uGOqfh3/j24z/rr+ibi6UtsrswhQy3VB4M=; b=QL4s6R9O9f/XYXkqHueiyV3UwJaGwpGaXV10aK1FTELzXtF5qcESgHjF+CH2SYkE79 et/+Je6nLyb5DQxz1wQ1I+TcREd+WHcY/MBcInmlwNjOseVgfSrtGsJ1gx+oQj03tnQv GmYZobb+d8S/QZ+rKl//xvO4WhNtOatdJIpbeXyQ9Ha9quluvkaZI4eQZ4zlLIxk9DoP 5vKxsw7cYtrkMTVfw2xL56S9qsvGjAt5L+wgBf+LKfu2iCRsJo0C7kVjLgMgImcst5aQ pSXeN+CV/UOGFZcXrpyyfw3H33sTmhbaioptd8Vd5henbGM8DqMIYZdA3nOdUff/N3Di aboQ== X-Gm-Message-State: APjAAAUdabMEk7SyK2qzcmRlaHYwciJsbjZM5u1DOyhgkVkxnW0s/oSA Y9Kp65Cn0Zk1y0WKGqxSZYY= X-Google-Smtp-Source: APXvYqx+asM1BMq5QfFQpEKCdo1HGKVr0l2LQq92FA4tQV5C9VmRobv9SHastnuYEPowZIp/oBamqA== X-Received: by 2002:a0c:d0ab:: with SMTP id z40mr62308786qvg.216.1564031032278; Wed, 24 Jul 2019 22:03:52 -0700 (PDT) Received: from AzureHyper-V.3xjlci4r0w3u5g13o212qxlisd.bx.internal.cloudapp.net ([13.68.195.119]) by smtp.gmail.com with ESMTPSA id y2sm21835328qkj.8.2019.07.24.22.03.51 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 24 Jul 2019 22:03:51 -0700 (PDT) From: Himadri Pandya X-Google-Original-From: Himadri Pandya To: mikelley@microsoft.com, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, Himadri Pandya Subject: [PATCH 2/2] Drivers: hv: util: Specify ring buffer size using Hyper-V page size Date: Thu, 25 Jul 2019 05:03:15 +0000 Message-Id: <20190725050315.6935-3-himadri18.07@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190725050315.6935-1-himadri18.07@gmail.com> References: <20190725050315.6935-1-himadri18.07@gmail.com> Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org VMbus ring buffers are sized based on the 4K page size used by Hyper-V. The Linux guest page size may not be 4K on all architectures so use the Hyper-V page size to specify the ring buffer size. Signed-off-by: Himadri Pandya --- drivers/hv/hv_util.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index c2c08f26bd5f..766bd8457346 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -413,8 +413,9 @@ static int util_probe(struct hv_device *dev, hv_set_drvdata(dev, srv); - ret = vmbus_open(dev->channel, 4 * PAGE_SIZE, 4 * PAGE_SIZE, NULL, 0, - srv->util_cb, dev->channel); + ret = vmbus_open(dev->channel, 4 * HV_HYP_PAGE_SIZE, + 4 * HV_HYP_PAGE_SIZE, NULL, 0, srv->util_cb, + dev->channel); if (ret) goto error; -- 2.17.1