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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 ADF33CA90AF for ; Wed, 13 May 2020 08:51:51 +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 2A78D206F5 for ; Wed, 13 May 2020 08:51:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2A78D206F5 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 bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49MT1c2wF6zDqsM for ; Wed, 13 May 2020 18:51:48 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49MSz835hwzDqf6 for ; Wed, 13 May 2020 18:49:40 +1000 (AEST) 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 49MSz75sKMz9sRf; Wed, 13 May 2020 18:49:39 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: fe4a6856cb4f4353a6cb8d3629bcfe9204e3d57d In-Reply-To: <20200505071729.54912-2-aneesh.kumar@linux.ibm.com> To: "Aneesh Kumar K.V" , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Subject: Re: [PATCH v4 01/22] powerpc/pkeys: Avoid using lockless page table walk Message-Id: <49MSz75sKMz9sRf@ozlabs.org> Date: Wed, 13 May 2020 18:49:39 +1000 (AEST) 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: "Aneesh Kumar K.V" , Ram Pai , npiggin@gmail.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, 2020-05-05 at 07:17:08 UTC, "Aneesh Kumar K.V" wrote: > Fetch pkey from vma instead of linux page table. Also document the fact that in > some cases the pkey returned in siginfo won't be the same as the one we took > keyfault on. Even with linux page table walk, we can end up in a similar scenario. > > Cc: Ram Pai > Signed-off-by: Aneesh Kumar K.V Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/fe4a6856cb4f4353a6cb8d3629bcfe9204e3d57d cheers