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 05FA1ECE58C for ; Fri, 11 Oct 2019 08:22:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB9D0222BD for ; Fri, 11 Oct 2019 08:22:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727328AbfJKIWI (ORCPT ); Fri, 11 Oct 2019 04:22:08 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:55689 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726983AbfJKIWG (ORCPT ); Fri, 11 Oct 2019 04:22:06 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 46qLXX4HkYz9sP6; Fri, 11 Oct 2019 19:22:04 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 4ab8a485f7bc69e04e3e8d75f62bdcac5f4ed02e 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 Subject: Re: [PATCH] powerpc/pseries: Remove confusing warning message. Message-Id: <46qLXX4HkYz9sP6@ozlabs.org> Date: Fri, 11 Oct 2019 19:22:04 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Reapplied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/4ab8a485f7bc69e04e3e8d75f62bdcac5f4ed02e cheers