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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 33842C2BB1D for ; Mon, 16 Mar 2020 15:47:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E12F82051A for ; Mon, 16 Mar 2020 15:47:08 +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="LJScDWCj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E12F82051A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8C1FA6B0005; Mon, 16 Mar 2020 11:47:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 899B76B0007; Mon, 16 Mar 2020 11:47:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7B0976B0008; Mon, 16 Mar 2020 11:47:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0225.hostedemail.com [216.40.44.225]) by kanga.kvack.org (Postfix) with ESMTP id 606446B0005 for ; Mon, 16 Mar 2020 11:47:08 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id D16858248047 for ; Mon, 16 Mar 2020 15:47:07 +0000 (UTC) X-FDA: 76601654094.30.leg59_5b5405f7d5f58 X-HE-Tag: leg59_5b5405f7d5f58 X-Filterd-Recvd-Size: 2823 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf28.hostedemail.com (Postfix) with ESMTP for ; Mon, 16 Mar 2020 15:47:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ouN0e4/1zqiBLoUJJ4QgzJ5Y6SjVqjDFHS+Tu4nAdmM=; b=LJScDWCjj3NCA4uVHCSkioMP/q /Z7XCUgEjkky9gRxRqun4cAZU1jNAliOiH17ROlaWz91YJlSBnmbXIR142K9TDY8WJI+fiVPH2KQX GESP7Vu07So0GETmAOlWvCQn7UXcBwg8Ya+QmAceR3w3eBV2c8pAp5CfPNfABsdRslgltWnytBCoP qPoV38uCGdIE9woLQ2E8wMziYu21I2p72c0gppQ5GAdApUH55lp3uCCSy/ENm2L3bRV0sRL9YhWB3 CYKx0LHNkpiirDs6Thno8xvGgd+zMeIzwagUfoLnlv1S6AtPy7ECDPuX+MvSNfdzQuzP6kxCS0AbG UoDB9Zig==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDrxD-00028Q-5o; Mon, 16 Mar 2020 15:46:59 +0000 Date: Mon, 16 Mar 2020 08:46:59 -0700 From: Christoph Hellwig To: Jason Gunthorpe Cc: Jean-Philippe Brucker , mark.rutland@arm.com, devicetree@vger.kernel.org, kevin.tian@intel.com, Dimitri Sivanich , Arnd Bergmann , Greg Kroah-Hartman , linux-pci@vger.kernel.org, robin.murphy@arm.com, linux-mm@kvack.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, catalin.marinas@arm.com, zhangfei.gao@linaro.org, Andrew Morton , will@kernel.org, christian.koenig@amd.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 01/26] mm/mmu_notifiers: pass private data down to alloc_notifier() Message-ID: <20200316154659.GA18704@infradead.org> References: <20200224182401.353359-2-jean-philippe@linaro.org> <20200224190056.GT31668@ziepe.ca> <20200225092439.GB375953@myrica> <20200225140814.GW31668@ziepe.ca> <20200228143935.GA2156@myrica> <20200228144844.GQ31668@ziepe.ca> <20200228150427.GF2156@myrica> <20200228151339.GS31668@ziepe.ca> <20200306095614.GA50020@myrica> <20200306130919.GJ31668@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200306130919.GJ31668@ziepe.ca> 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: On Fri, Mar 06, 2020 at 09:09:19AM -0400, Jason Gunthorpe wrote: > This is why release must do invalidate all - but it doesn't need to do > any more - as no SPTE can be established without a mmget() - and > mmget() is no longer possible past release. Maybe we should rename the release method to invalidate_all?