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,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 18A7FCA9EC7 for ; Mon, 28 Oct 2019 20:10:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8410208C0 for ; Mon, 28 Oct 2019 20:10:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="Q6k/mUFV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725776AbfJ1UKs (ORCPT ); Mon, 28 Oct 2019 16:10:48 -0400 Received: from mail-qk1-f195.google.com ([209.85.222.195]:35858 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727569AbfJ1UKs (ORCPT ); Mon, 28 Oct 2019 16:10:48 -0400 Received: by mail-qk1-f195.google.com with SMTP id y189so9776383qkc.3 for ; Mon, 28 Oct 2019 13:10:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=H/THPQGyz40LBFYEHcweT4lmD8Nqu8ZrqzmWM4HcCKs=; b=Q6k/mUFVxOBv3aTuq8oo7JDrjEauKE9HcDgFt84omZdU9K/XVboyEcdOWxaTkCBJ28 h0r5uedPPYCRhOvIEi8rMBg+LxDQ1kJy7G2KvTYOl8k1ftSUoOMiMEEi9CN59pf6OuOz MkDtPlTPswGrs8e2T9pzn8MdFhY0MZ1R+E+e8/2U9m/8aBR9ebJ0DsvWpb0j8hwE9f1i UuJJWkpCmSjN3VETuju98bl50r4w0WLDME6cbun6/34JTiAY6IEaZyv4ggnF2jWvcBtU qyxdFQalzd9YBNgYiQZmA0WiFjG+it9BlIMayLu3aVh2wFRpwpxXSydrKKoYGdfkI+Dw /p1A== 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:mime-version:content-transfer-encoding; bh=H/THPQGyz40LBFYEHcweT4lmD8Nqu8ZrqzmWM4HcCKs=; b=URxecmBwNWe+84jc3BMOk0wsHmBRIwIc2uPrneE7kjIlMLXswinr5cZk65ki8UzLaG H9cNy/mtA1eFLPwGtxr+6SsLbwtc+0ekv9rlKiiohk+zA5xJKdKLBesUTrx+mleT13iw R+eIZ2Wd8TVrDefNe9jC8xNezwJy8l+SyWs5+RMk5XFEOMMeVgeKP30JH2zbpyQ9A9hz KJ20ZaTjaF/5SeuY6Hn7gOzv08RC3nJ/T+Aw4j9Q9IL36+Pto31K24bDk3GlJP+jm+ZL ItyS2xlclwJN49sMyHyuExXaAqS04Fc/RjHaOXtDXj2EA1BassRDJ8P9P6dVHXNGZW5l 5NDQ== X-Gm-Message-State: APjAAAXiqxjpcYBJi89JgTVtJKMgbJTugq7ajffA61J1+/Kt5XQ2kBBs 2I61EswbtJp/m8MqjEK5XRC5Tg== X-Google-Smtp-Source: APXvYqxsKzO+DlZf4GHZfVwOfUDUz0csib+6zwvHr9p6l/rK8t+hVqnPNQxoUohuqD3TYtVARBRFtg== X-Received: by 2002:a05:620a:1410:: with SMTP id d16mr14987766qkj.284.1572293447562; Mon, 28 Oct 2019 13:10:47 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-162-113-180.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.162.113.180]) by smtp.gmail.com with ESMTPSA id q44sm8677492qtk.16.2019.10.28.13.10.43 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 28 Oct 2019 13:10:43 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1iPBLf-0001gk-DA; Mon, 28 Oct 2019 17:10:43 -0300 From: Jason Gunthorpe To: linux-mm@kvack.org, Jerome Glisse , Ralph Campbell , John Hubbard , Felix.Kuehling@amd.com Cc: linux-rdma@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Alex Deucher , Ben Skeggs , Boris Ostrovsky , =?UTF-8?q?Christian=20K=C3=B6nig?= , David Zhou , Dennis Dalessandro , Juergen Gross , Mike Marciniszyn , Oleksandr Andrushchenko , Petr Cvek , Stefano Stabellini , nouveau@lists.freedesktop.org, xen-devel@lists.xenproject.org, Christoph Hellwig , Jason Gunthorpe Subject: [PATCH v2 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER Date: Mon, 28 Oct 2019 17:10:25 -0300 Message-Id: <20191028201032.6352-9-jgg@ziepe.ca> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191028201032.6352-1-jgg@ziepe.ca> References: <20191028201032.6352-1-jgg@ziepe.ca> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Jason Gunthorpe DMA_SHARED_BUFFER can not be enabled by the user (it represents a library set in the kernel). The kconfig convention is to use select for such symbols so they are turned on implicitly when the user enables a kconfig that needs them. Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficult to enable. Fixes: 932d6562179e ("xen/gntdev: Add initial support for dma-buf UAPI") Cc: Oleksandr Andrushchenko Cc: Boris Ostrovsky Cc: xen-devel@lists.xenproject.org Cc: Juergen Gross Cc: Stefano Stabellini Reviewed-by: Juergen Gross Reviewed-by: Oleksandr Andrushchenko Signed-off-by: Jason Gunthorpe --- drivers/xen/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 79cc75096f4232..a50dadd0109336 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -141,7 +141,8 @@ config XEN_GNTDEV config XEN_GNTDEV_DMABUF bool "Add support for dma-buf grant access device driver extension" - depends on XEN_GNTDEV && XEN_GRANT_DMA_ALLOC && DMA_SHARED_BUFFER + depends on XEN_GNTDEV && XEN_GRANT_DMA_ALLOC + select DMA_SHARED_BUFFER help Allows userspace processes and kernel modules to use Xen backed dma-buf implementation. With this extension grant references to -- 2.23.0