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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 CCD34C00454 for ; Tue, 10 Dec 2019 21:39:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 90D2E20637 for ; Tue, 10 Dec 2019 21:39:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576013959; bh=nFxcgDnb6O25p6af5qRs7FXhfkUAYgJz96qP3fowiQA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Nlf0W+H7Kao4cnkiqcFwcIb93YC0HfNlO/dfa6JuCCEVHYBb7WsHz66Wwmwe4Hx4o DgEqnxktIA/he1eYlEWx4B9cMhcLnpoA0IhT6PZOaQ/Y7PSLapWc0qiGjHMotTDNwz 79xbEcSq0kMtAKi34XqpYLpED+55L0INvkex7PcA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729110AbfLJVfC (ORCPT ); Tue, 10 Dec 2019 16:35:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:40202 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730101AbfLJVes (ORCPT ); Tue, 10 Dec 2019 16:34:48 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 13F412465C; Tue, 10 Dec 2019 21:34:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576013688; bh=nFxcgDnb6O25p6af5qRs7FXhfkUAYgJz96qP3fowiQA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MazmakwaiuCvyWxmx2PlB4w7Jak4st3DrrDIrv9vKm+54QoF/5PekZyxipIM02Rpq JmpZskURjES1nrzfBUgXZikqFySGUiX67IGZerN63G3XnUHzBg4GFeiZYQfX7WDBr+ d6yOLDPDYvxnjCR/Wijsiwse5R7u9zPRpACujVnE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jason Gunthorpe , Oleksandr Andrushchenko , Boris Ostrovsky , xen-devel@lists.xenproject.org, Juergen Gross , Stefano Stabellini , Sasha Levin Subject: [PATCH AUTOSEL 4.19 120/177] xen/gntdev: Use select for DMA_SHARED_BUFFER Date: Tue, 10 Dec 2019 16:31:24 -0500 Message-Id: <20191210213221.11921-120-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210213221.11921-1-sashal@kernel.org> References: <20191210213221.11921-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 90d387b50ab74..0505eeb593b5c 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -158,7 +158,8 @@ 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