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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 EAEB4C43387 for ; Sun, 23 Dec 2018 14:15:41 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9BDB621849 for ; Sun, 23 Dec 2018 14:15:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9BDB621849 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 43N4CJ03f9zDqV2 for ; Mon, 24 Dec 2018 01:15:40 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 43N38c6XWWzDqVw for ; Mon, 24 Dec 2018 00:28:16 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 43N38c3ZT6z9sPD; Mon, 24 Dec 2018 00:28:15 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: bdbf649efe21173cae63b4b71db84176420f9039 X-Patchwork-Hint: ignore In-Reply-To: <20180928064539.39050-1-aik@ozlabs.ru> To: Alexey Kardashevskiy , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Subject: Re: [kernel] powerpc/powernv/ioda: Allocate indirect TCE levels of cached userspace addresses on demand Message-Id: <43N38c3ZT6z9sPD@ozlabs.org> Date: Mon, 24 Dec 2018 00:28:14 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , kvm-ppc@vger.kernel.org, David Gibson Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, 2018-09-28 at 06:45:39 UTC, Alexey Kardashevskiy wrote: > The powernv platform maintains 2 TCE tables for VFIO - a hardware TCE > table and a table with userspace addresses; the latter is used for > marking pages dirty when corresponging TCEs are unmapped from > the hardware table. > > a68bd1267b72 ("powerpc/powernv/ioda: Allocate indirect TCE levels > on demand") enabled on-demand allocation of the hardware table, > however it missed the other table so it has still been fully allocated > at the boot time. This fixes the issue by allocating a single level, > just like we do for the hardware table. > > Fixes: a68bd1267b72 ("powerpc/powernv/ioda: Allocate indirect TCE levels on demand") > Signed-off-by: Alexey Kardashevskiy > Reviewed-by: David Gibson Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/bdbf649efe21173cae63b4b71db841 cheers