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=-8.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 56B48C31E57 for ; Mon, 17 Jun 2019 12:28:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2488C2166E for ; Mon, 17 Jun 2019 12:28:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="idjxwSVc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727507AbfFQM2m (ORCPT ); Mon, 17 Jun 2019 08:28:42 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:44632 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728302AbfFQM2h (ORCPT ); Mon, 17 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=I8PlqMUI4C1+5AXdWNAvJGUn4z7E5OvP3cFwdUwwRcM=; b=idjxwSVcGR8gj/Hv9rgN32Pbhq n+B3Dw/eAY5nzc0hWjvE0/DJdYcXUudxghMTEfuhBlOZzQqw6Kp9Ri+RNMJ+ZbD/rpwTc7jNnggaJ oWqEp9P7byqhhh4K1c+iPeFxUZ8V7J2oZFOxQqqzjxHYw+5SJgb3oBcJchVokBPs8JXyeVW8tAhRx i7ntPKqW6sOS8kblCvWSXQcLZNVxYW/7zdv6j5cHwyvtGEDGaTmZwfX2j/Yje0mucmxOeMh4+QyGl st8aBl75weQTuuByjCtZpmELlzhnz8odxyh1rYlQ1/iPx/2DY6A/ochv2KYvVjetIbSP6uDrsRviB sLz4N94A==; 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 1hcqkS-0000eV-VL; Mon, 17 Jun 2019 12:28:33 +0000 From: Christoph Hellwig To: Dan Williams , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , 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: Mon, 17 Jun 2019 14:27:33 +0200 Message-Id: <20190617122733.22432-26-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190617122733.22432-1-hch@lst.de> References: <20190617122733.22432-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 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 7fa785551f96..55c9c661e2ee 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". -- 2.20.1