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=-8.3 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_PASS,USER_AGENT_MUTT 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 72B77C4360F for ; Fri, 5 Apr 2019 01:16:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3F784217D4 for ; Fri, 5 Apr 2019 01:16:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZKqS7e7l" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730720AbfDEBQO (ORCPT ); Thu, 4 Apr 2019 21:16:14 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:34832 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728762AbfDEBQO (ORCPT ); Thu, 4 Apr 2019 21:16:14 -0400 Received: by mail-pg1-f195.google.com with SMTP id g8so2139186pgf.2; Thu, 04 Apr 2019 18:16:13 -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=rSmrtwds6phmiS5rkG4PAMwIL17Ba4GekRHSmWsFNcY=; b=ZKqS7e7lyMUXDhTjXZSvjbph1gc3PJ0s5zC7eDac7jaByK6aOBBozZSIO9KulNRTpu paWcFfJKs546iStZB1+dJfAXNEMrf7v0/jnOSWpZSptjh4YJqElCbVQzsItrXFNOu8MC 2TEQs4Vdf7vGvFx4Toh9m5tPLpc06VB5BeHFcAueEbkyUTfr5RHQrGIxjjWYI/BWOrUI P1FVJnvQ5g5v21dPztPOs0wte7EQVFrhxodR7QpM5amyyuQpMBYWMjmI2JHWwDtZO5fu 9SAy+j4IyAKabOmiww02i9xnZPecFQNpmSop9chzljEeMPBuSYWX/j1Yuyv5MvRBgv5u Mfww== 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=rSmrtwds6phmiS5rkG4PAMwIL17Ba4GekRHSmWsFNcY=; b=DWZGvO99oQ2jVDLpaxV149EXKCuTqCTfwyl5iLh4LZREbaXliu2JOfzXprR+7+FYsI o/psaFVL8eqVoQlMEKJowxZFALZXiy7Gi0MnGqRVpc0I9jfi9v19+3Z/3kEabnXYyX5R QEL0dyePbseyyuvQBKybT969TECheAwKWJmW2XIeiAupASCw47en6vyEQBl2hh9GZN4/ Ut0afTmrmdfoPPGcszhgA5Rtt3b6lK/lAj8PXlqfxiW30nGtiOq0AIHCopqAayysECvS LHmXiPA4DJKks0IWOVRAaAmTIipTIbdeA+X4CL+Zs4ayh8llI61nZWafSu7Rf3DfhYsf sbWQ== X-Gm-Message-State: APjAAAUYrbrkxxl1B0AZyphw8nPY9O8vd+GG2ko0ZYm88Z7qIHwREh1S A1MvX6DfQP0TdnSLDkWEUrbCSfNgh4y1IQ== X-Google-Smtp-Source: APXvYqxQ7s7vcdXgkehXLZcb2YDIUow9q+4b195abWQ2Qu2wZ+fQ0I3PfDTL2bR0VBTWD0UL5hVEhQ== X-Received: by 2002:a62:4290:: with SMTP id h16mr9340869pfd.8.1554426973503; Thu, 04 Apr 2019 18:16:13 -0700 (PDT) Received: from maya190131 ([52.250.109.216]) by smtp.gmail.com with ESMTPSA id x24sm27187240pfn.128.2019.04.04.18.16.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 04 Apr 2019 18:16:12 -0700 (PDT) Date: Fri, 5 Apr 2019 01:16:12 +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 3/6] hv: vmbus: Replace page definition with Hyper-V specific one Message-ID: <2db6149c45e8f1406cfff145d7a7cf83a99f2fc6.1554426040.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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- 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 a94aab94e0b5..00ad573870e9 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -207,11 +207,11 @@ 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