From patchwork Wed Jun 26 12:27:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11017717 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CDA7914C0 for ; Wed, 26 Jun 2019 12:28:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCC1228673 for ; Wed, 26 Jun 2019 12:28:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB429287AA; Wed, 26 Jun 2019 12:28:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 67A5A287A8 for ; Wed, 26 Jun 2019 12:28:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727775AbfFZM2i (ORCPT ); Wed, 26 Jun 2019 08:28:38 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:43166 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727746AbfFZM2h (ORCPT ); Wed, 26 Jun 2019 08:28:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ZjBYUWyGZeQFbLdeL3I3vLQlcbJ5I4BbNFzVpFyfAyY=; b=KN1fXz1VRCySW0ycRrfAX1GqWC nBzrlUj6EH8tEn5EKRnrhZ/clBQwfvfHZco8c9jjozD1fh/my91ln6undw3f0URs/bl+BIWm9b6hu GRC9l8p7WXmZ8Xxi9iA+E0W9Gm1MASDaRp1hsctZvyH++evwZDdjgMK5FluTFNT1RwdwEeDzbsvSM 2Vaw9si/vPSSHdp8MpGf4yt7KV6VBBfa72BTk2t+4oMw4Ihq6663f/SIsQz3QotN454E3JNgKTXLf k83PbIqllqoxK5hwQg9uLoykDjdc5EnRrvh/P54vz5TNn3UfdvW/VR54c5mGcZIc55bXkoE7hGw3x iOkrcrng==; Received: from clnet-p19-102.ikbnet.co.at ([83.175.77.102] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hg72P-0001gm-Ia; Wed, 26 Jun 2019 12:28:33 +0000 From: Christoph Hellwig To: Dan Williams , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , Ben Skeggs Cc: linux-mm@kvack.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-nvdimm@lists.01.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 25/25] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR Date: Wed, 26 Jun 2019 14:27:24 +0200 Message-Id: <20190626122724.13313-26-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190626122724.13313-1-hch@lst.de> References: <20190626122724.13313-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The migrate_vma helper is only used by noveau to migrate device private pages around. Other HMM_MIRROR users like amdgpu or infiniband don't need it. Signed-off-by: Christoph Hellwig Reviewed-by: Jason Gunthorpe --- drivers/gpu/drm/nouveau/Kconfig | 1 + mm/Kconfig | 1 - 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index 66c839d8e9d1..96b9814e6d06 100644 --- a/drivers/gpu/drm/nouveau/Kconfig +++ b/drivers/gpu/drm/nouveau/Kconfig @@ -88,6 +88,7 @@ config DRM_NOUVEAU_SVM depends on DRM_NOUVEAU depends on HMM_MIRROR depends on STAGING + select MIGRATE_VMA_HELPER default n help Say Y here if you want to enable experimental support for diff --git a/mm/Kconfig b/mm/Kconfig index 1e426c26b1d6..40cf0562412d 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -680,7 +680,6 @@ config HMM_MIRROR depends on (X86_64 || PPC64) depends on MMU && 64BIT select MMU_NOTIFIER - select MIGRATE_VMA_HELPER help Select HMM_MIRROR if you want to mirror range of the CPU page table of a process into a device page table. Here, mirror means "keep synchronized".