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=-8.1 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_SANE_1 autolearn=ham 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 A468FC742A5 for ; Fri, 12 Jul 2019 08:25:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A97B21530 for ; Fri, 12 Jul 2019 08:25:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Fyl9TSOd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726057AbfGLIZU (ORCPT ); Fri, 12 Jul 2019 04:25:20 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:46204 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725877AbfGLIZT (ORCPT ); Fri, 12 Jul 2019 04:25:19 -0400 Received: by mail-pf1-f194.google.com with SMTP id c73so3974274pfb.13; Fri, 12 Jul 2019 01:25:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=HNJi6hiuYdfL3u8IXlFr2ptQbwtW7ZdNyo5Hq+iVFb0=; b=Fyl9TSOdi1j2XjtjDLhiWaqB0DR7tBZfgMMw50+vW0/xhDGFPXEnBIm5n0r/NH1kCW 2ZHdnbb+zwOvkoRgSuOcLVwFZOtTo5Z0qripJEWoYTVf0C/gY/3lgjFmDA2ICnAxPa33 QufU1HLF9B4rOLYz5QeL/SoM504liKmkClv5IHra9ZntnJ592tRlOEU6gMGLG9paHjhr mgdLkRN1hKYdFsoqPN9QodWAvWbjK35mKeygwo39PmDNDBmWOLS44OuQhm4lJn9TyYOa 1rco+h38lsbWpXwQXI6nb0noKdxK+3dWK9DndsOA+Ng+6A5K5ySQlHMy43LMI/Iug9w3 ssWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=HNJi6hiuYdfL3u8IXlFr2ptQbwtW7ZdNyo5Hq+iVFb0=; b=VN4UDX1w7pNMD95UfvZALG7s6eDx6uss+9aMxHJOMNNoUpLvclDMnXkMp3QVb1oAp9 //9Zx7xb6510dRdzty3WoP39mh4qH1GMTmb4acpjMeQ22fy910Pw3a/MZ0i+s4KhienR RcAzWRDWXCHiEtTFC+lNaSt63Dj4TwSNFpEz9sxhdXMyziUcMGx+u9LHqYSIXRm5HZEk 4oMsIPDIaMYm8V3HT9z75uWFk1BfeOqWhWOWnKF0q/NydSKvndPIjGkEIjq1GRRkOghx irIEZzsZ9q6xTqdKY81zcwoKKNQ000MW1pySt6qljQWHRiAAqpmO4/87qprDC5bdm26i sleQ== X-Gm-Message-State: APjAAAUONp3grNvWB2IUm+gONnLFqE8gtp0bkG1vczn1alXq20J1NRYG RslZa/d0cv7Np8ZT9T6QP9F8G8p8X1XM5Q== X-Google-Smtp-Source: APXvYqyZqz2vlQC4nbOA8cCJaC3xgKjcnepceJpYKLsSmt+PKJ7es87hhkONCLHvij6MF5XeRwPE0Q== X-Received: by 2002:a65:6448:: with SMTP id s8mr9376254pgv.223.1562919918915; Fri, 12 Jul 2019 01:25:18 -0700 (PDT) Received: from maya190711 ([52.250.118.122]) by smtp.gmail.com with ESMTPSA id m13sm6175192pgv.89.2019.07.12.01.25.18 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 12 Jul 2019 01:25:18 -0700 (PDT) Date: Fri, 12 Jul 2019 08:25:18 +0000 From: Maya Nakamura To: mikelley@microsoft.com, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org Cc: x86@kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 3/5] hv: vmbus: Replace page definition with Hyper-V specific one Message-ID: <0d9e80ecabcc950dc279fdd2e39bea4060123ba4.1562916939.git.m.maya.nakamura@gmail.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Replace PAGE_SIZE with HV_HYP_PAGE_SIZE because the guest page size may not be 4096 on all architectures and Hyper-V always runs with a page size of 4096. Signed-off-by: Maya Nakamura Reviewed-by: Michael Kelley Reviewed-by: Vitaly Kuznetsov --- drivers/hv/hyperv_vmbus.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index 362e70e9d145..019469c3cbca 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -192,11 +192,11 @@ int hv_ringbuffer_read(struct vmbus_channel *channel, u64 *requestid, bool raw); /* - * Maximum channels is determined by the size of the interrupt page - * which is PAGE_SIZE. 1/2 of PAGE_SIZE is for send endpoint interrupt - * and the other is receive endpoint interrupt + * Maximum channels, 16348, is determined by the size of the interrupt page, + * which is HV_HYP_PAGE_SIZE. 1/2 of HV_HYP_PAGE_SIZE is to send endpoint + * interrupt, and the other is to receive endpoint interrupt. */ -#define MAX_NUM_CHANNELS ((PAGE_SIZE >> 1) << 3) /* 16348 channels */ +#define MAX_NUM_CHANNELS ((HV_HYP_PAGE_SIZE >> 1) << 3) /* The value here must be in multiple of 32 */ /* TODO: Need to make this configurable */ -- 2.17.1