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[2607:7c80:54:e::133]) by mx.google.com with ESMTPS id t3si2629246pgq.254.2019.06.13.02.44.35 for (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 13 Jun 2019 02:44:35 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of batv+aff2f865c54b6c032bcd+5772+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20170209 header.b=trz7K9US; spf=pass (google.com: best guess record for domain of batv+aff2f865c54b6c032bcd+5772+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) smtp.mailfrom=BATV+aff2f865c54b6c032bcd+5772+infradead.org+hch@bombadil.srs.infradead.org 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=0sAfzDlcAsndHKBt75dqqx/GnOCOQqtRdathOjahJzQ=; b=trz7K9USBFzK+xAnepin47AmRr Ru/Ufe0ArOAav00lGoPPzRUVxrswp05DRpD2d5fXaeZItnlHIGrtF1O1z/B5eK/v1ypkuEUV33AoE O6sWXD/9uMVmrJLXNRSSRwxNiWV3okj38PS6HOorCIE1095zMfIxNPliWKgHj+KFNGQYjRJfvAAE9 OZPPi7DMhfjs+Ay9FbxkmMkIi0kMa6qSNkzN8TL3yorsUR6y30VoiV0rQhnhlXUczuR6wnoc3Tr3D 5CrUdFq3rR6UxwQZviB1fSzfyE69t0fvrojVXmSEKwbbynKreccgHDzaxSTGmzkzt23o/mQnE0h+e YEeclslA==; Received: from mpp-cp1-natpool-1-198.ethz.ch ([82.130.71.198] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hbMHY-0001yQ-Rm; Thu, 13 Jun 2019 09:44:33 +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 22/22] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR Date: Thu, 13 Jun 2019 11:43:25 +0200 Message-Id: <20190613094326.24093-23-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190613094326.24093-1-hch@lst.de> References: <20190613094326.24093-1-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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 73676cb4693f..eca88679b624 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -679,7 +679,6 @@ config HMM_MIRROR bool "HMM mirror CPU page table into a device page table" depends on MMU 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".