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 577EDC10F14 for ; Thu, 3 Oct 2019 23:05:52 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2291A20700 for ; Thu, 3 Oct 2019 23:05:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2291A20700 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=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AD8126B0003; Thu, 3 Oct 2019 19:05:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A888B6B0007; Thu, 3 Oct 2019 19:05:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 99D8B6B0008; Thu, 3 Oct 2019 19:05:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0109.hostedemail.com [216.40.44.109]) by kanga.kvack.org (Postfix) with ESMTP id 7344A6B0003 for ; Thu, 3 Oct 2019 19:05:51 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id ED70F180AD7C3 for ; Thu, 3 Oct 2019 23:05:50 +0000 (UTC) X-FDA: 76004007660.29.spoon88_8a4401ad6bc05 X-HE-Tag: spoon88_8a4401ad6bc05 X-Filterd-Recvd-Size: 1875 Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) by imf45.hostedemail.com (Postfix) with ESMTP for ; Thu, 3 Oct 2019 23:05:50 +0000 (UTC) Received: by ozlabs.org (Postfix, from userid 1034) id 46kpWs0pdbz9sPq; Fri, 4 Oct 2019 09:05:45 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 9123b7914823a7d81dd0e5d8ae40bc6f1ee869c8 In-Reply-To: <20191001132928.72555-1-ldufour@linux.ibm.com> To: Laurent Dufour , sfr@linux.ibm.com, benh@kernel.crashing.org, paulus@samba.org, aneesh.kumar@linux.ibm.com, npiggin@gmail.com, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org From: Michael Ellerman Cc: Subject: Re: [PATCH] powerpc/pseries: Remove confusing warning message. Message-Id: <46kpWs0pdbz9sPq@ozlabs.org> Date: Fri, 4 Oct 2019 09:05:45 +1000 (AEST) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000030, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, 2019-10-01 at 13:29:28 UTC, Laurent Dufour wrote: > Since the commit 1211ee61b4a8 ("powerpc/pseries: Read TLB Block Invalidate > Characteristics"), a warning message is displayed when booting a guest on > top of KVM: > > lpar: arch/powerpc/platforms/pseries/lpar.c pseries_lpar_read_hblkrm_characteristics Error calling get-system-parameter (0xfffffffd) > > This message is displayed because this hypervisor is not supporting the > H_BLOCK_REMOVE hcall and thus is not exposing the corresponding feature. > > Reading the TLB Block Invalidate Characteristics should not be done if the > feature is not exposed. > > Fixes: 1211ee61b4a8 ("powerpc/pseries: Read TLB Block Invalidate Characteristics") > Reported-by: Stephen Rothwell > Signed-off-by: Laurent Dufour Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/9123b7914823a7d81dd0e5d8ae40bc6f1ee869c8 cheers