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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 DD117C432C3 for ; Thu, 14 Nov 2019 08:51:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8F9E206F0 for ; Thu, 14 Nov 2019 08:51:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="D31R4REI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726533AbfKNIve (ORCPT ); Thu, 14 Nov 2019 03:51:34 -0500 Received: from mail-oi1-f173.google.com ([209.85.167.173]:45019 "EHLO mail-oi1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725976AbfKNIve (ORCPT ); Thu, 14 Nov 2019 03:51:34 -0500 Received: by mail-oi1-f173.google.com with SMTP id s71so4543818oih.11 for ; Thu, 14 Nov 2019 00:51:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to :content-transfer-encoding; bh=XsJZZBmHWs3oTUecsrmJsTbZW2qXyVQWSBFHP3MYq1w=; b=D31R4REIuPhPkh7gI+AhFWIawJQ7SB2IRl33UYvqHRbgtC/RiQvXz8HxcsgLBxGBhe 4Bg/1NGsfcfigkp8JJdAkE5Rv87jNaDJLjTqESom3qTNdPpBJ3RFfL7PjPJZhLbKO8u4 eKqEcI065u85tpDGY7YMBsgdUi7PCNSCVqSU0nvV+e3uD3dlMDsZtZz38AGtOjvbj6o9 Ydp1qaKJC151J1YFMFckg0/xCEPVeFbLlwzapaQFMhu00+Z94WhH+TC51S3FvJC8jOST q+sOJtjsWkp/wQZpan7T/2M1W9NIiWyUxcklyhaTGZewyCRgzzcLwDEUqeTdybS9MvBa dXdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to :content-transfer-encoding; bh=XsJZZBmHWs3oTUecsrmJsTbZW2qXyVQWSBFHP3MYq1w=; b=J1T2TQzf5zvYWar2FgRM22yDZmBz07wQVgfuGggoew+XlGOW6BTTqJB5oYDCj1GvVD FdYfJZUDS/JLaySGOg+MMhT0+7WOufegA1bR/2yGGCw6T5DehZfXE1Axwjjub7y9hHiE Hkc4B+n4My8+ImOOHf36J9wpIUxovYd3/C0kdVWIQGS0nVowANNKkpesPCWmL8x9NoOT zyfFWgEJ9Ih0+zZun5r0D5orEATmOpQDb2U29Q8hAtq8pxLYMQE3PQH4mkH5b9V8U03P 1O3Ma2iscMUbR8tuTdrVcm9VmuREzcnVCkEy5Ph0caEYGDo+0dNRpND7U9NbhiBULkzU kbkA== X-Gm-Message-State: APjAAAWQ3KJ824bM0YhpaL9KX43aexhHEIGmxZo/cMkutED5KOK+7IzX 8tV0ilKyMCEL7vpfdzvJbvC6/GC/jxMfSwxQ4bvdzKz/ X-Google-Smtp-Source: APXvYqwF5Pv7Az1duMeHCJhRjMDhdJzzZbtHjmr2CWOI7znClzFsaJ1NROnAF2nAkX8ERfRjgKIQ7lncIClwH65QMw8= X-Received: by 2002:aca:c508:: with SMTP id v8mr2486058oif.31.1573721492776; Thu, 14 Nov 2019 00:51:32 -0800 (PST) MIME-Version: 1.0 From: Muni Sekhar Date: Thu, 14 Nov 2019 14:21:21 +0530 Message-ID: Subject: Question about pci_alloc_consistent() return address To: linux-pci@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Hi All, I=E2=80=99m using pci_alloc_consistent() in PCIe driver. My PCIe device on= ly works 64 bit data boundary transactions. Is there a way to make sure pci_alloc_consistent() always returns 64-bit aligned address? --=20 Thanks, Sekhar