From patchwork Mon Dec 28 12:47:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 354773 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 271FAC433DB for ; Mon, 28 Dec 2020 14:49:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE6EB20867 for ; Mon, 28 Dec 2020 14:49:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438109AbgL1OV7 (ORCPT ); Mon, 28 Dec 2020 09:21:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:57204 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2441455AbgL1OV6 (ORCPT ); Mon, 28 Dec 2020 09:21:58 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id E4B272245C; Mon, 28 Dec 2020 14:21:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609165297; bh=MEIaGCsYs120eQxJ23SWsWAAtreazA3Z5+j9wP3P9sQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fOoNPEPv9odb7x1WuGbRVfjp1hMN024nke8ewYe+BJcPjpZmWNnkkI/DEuKUxSO2K mjb1XhGBrP/sPPxU3X6DGp0B4pLgsF1YPWO3VycroDk/Gjox4XkNjg67asdur7BDa0 r/CBhuQfTRVTNT+WG2Pj7wdnfRiyaS5Labp7gYz8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Geert Uytterhoeven , Nicholas Piggin , Michael Ellerman , Sasha Levin Subject: [PATCH 5.10 475/717] powerpc/32s: Fix cleanup_cpu_mmu_context() compile bug Date: Mon, 28 Dec 2020 13:47:53 +0100 Message-Id: <20201228125043.723873815@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228125020.963311703@linuxfoundation.org> References: <20201228125020.963311703@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Michael Ellerman [ Upstream commit c1bea0a840ac75dca19bc6aa05575a33eb9fd058 ] Currently pmac32_defconfig with SMP=y doesn't build: arch/powerpc/platforms/powermac/smp.c: error: implicit declaration of function 'cleanup_cpu_mmu_context' It would be nice for consistency if all platforms clear mm_cpumask and flush TLBs on unplug, but the TLB invalidation bug described in commit 01b0f0eae081 ("powerpc/64s: Trim offlined CPUs from mm_cpumasks") only applies to 64s and for now we only have the TLB flush code for that platform. So just add an empty version for 32-bit Book3S. Fixes: 01b0f0eae081 ("powerpc/64s: Trim offlined CPUs from mm_cpumasks") Reported-by: Geert Uytterhoeven Signed-off-by: Nicholas Piggin [mpe: Change log based on comments from Nick] Signed-off-by: Michael Ellerman Signed-off-by: Sasha Levin --- arch/powerpc/include/asm/book3s/32/mmu-hash.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/include/asm/book3s/32/mmu-hash.h b/arch/powerpc/include/asm/book3s/32/mmu-hash.h index 2e277ca0170fb..a8982d52f6b1d 100644 --- a/arch/powerpc/include/asm/book3s/32/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/32/mmu-hash.h @@ -94,6 +94,7 @@ typedef struct { } mm_context_t; void update_bats(void); +static inline void cleanup_cpu_mmu_context(void) { }; /* patch sites */ extern s32 patch__hash_page_A0, patch__hash_page_A1, patch__hash_page_A2;