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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 870DCC2D0DA for ; Sun, 29 Dec 2019 18:05:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5191F206DB for ; Sun, 29 Dec 2019 18:05:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577642702; bh=LE9cdr8eK35EQnzMPDAGO/gXk9BabTnFaFTDvZSMwoI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XXL8zkh1G5BWl4Ia8207Q7OUB6JwqDBnRtEmircG3arqqDhex1k3FvRCH5yjyyeYZ itE91tSR/6Kg+sAKuIFVNwa60VWiy+xcPCpdcpB5mCK/hPQSg/DuY/Xc9Q3+3A2MGx R0MaizPeSrq4cP2lVQ19d0atnPl1dTdOMS/ufQ8U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732164AbfL2SE5 (ORCPT ); Sun, 29 Dec 2019 13:04:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:37320 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732137AbfL2Rvm (ORCPT ); Sun, 29 Dec 2019 12:51:42 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 93A21208C4; Sun, 29 Dec 2019 17:51:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577641902; bh=LE9cdr8eK35EQnzMPDAGO/gXk9BabTnFaFTDvZSMwoI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q83Xjd2TYW0nIhxzxWJWsMpVZDOjpFZvPcikWHT2rIZenZFZsbU+sWz4SmTILk1TD /lfcEOeHtLuWG/FVQpZLChahx32Fuzpiv7DL/+G0Y+gbqJj1JLajemnOVM83+yLUUk 9PDJAdxEKT5Y+lkRx3TdakfUzH/AtZVXGMKG7euI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Oleksandr Andrushchenko , Boris Ostrovsky , xen-devel@lists.xenproject.org, Juergen Gross , Stefano Stabellini , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.4 259/434] xen/gntdev: Use select for DMA_SHARED_BUFFER Date: Sun, 29 Dec 2019 18:25:12 +0100 Message-Id: <20191229172719.139077677@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191229172702.393141737@linuxfoundation.org> References: <20191229172702.393141737@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jason Gunthorpe [ Upstream commit fa6614d8ef13c63aac52ad7c07c5e69ce4aba3dd ] 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 Signed-off-by: Juergen Gross Signed-off-by: Sasha Levin --- drivers/xen/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 79cc75096f42..a50dadd01093 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 -- 2.20.1