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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 7ECE2C1B0D9 for ; Mon, 14 Dec 2020 07:03:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3800F225A9 for ; Mon, 14 Dec 2020 07:03:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438838AbgLNHDR (ORCPT ); Mon, 14 Dec 2020 02:03:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2407140AbgLNHCL (ORCPT ); Mon, 14 Dec 2020 02:02:11 -0500 Received: from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com [IPv6:2607:f8b0:4864:20::1042]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6B34C061793; Sun, 13 Dec 2020 23:01:30 -0800 (PST) Received: by mail-pj1-x1042.google.com with SMTP id lb18so5749347pjb.5; Sun, 13 Dec 2020 23:01:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qp8PGJSLWU/dwswnH2/0kSDHsb+wln5XeqPaVW1B5Z8=; b=ah+DQFnviIYaiwW61xx/7aV1EqG6uLPtWc0d5mLXZjof3NJGVQvvrolW/w4GehwsgZ Kjz865XZJBwN7csGduekgiDndqDQMMkH63AuRBe60gEq1+3hlOynV/QU29ZZHZy1dmuh YqRxTfXSx5g3thhMEubi88ti01h4X/dvY+gl6HB5vRVVk6SEJFY/EpUIEzlpW+qFxvL1 6VFFiBv7G2JdHMZs/8xBYZm9YzaSgcsZobouuYIA4wRKopgoW2tqi62eQTCOoAhaLIT0 TK2G/9I2Juvg1hOJVBo51rMWp21v+CNQuh5UMCEp6vNrXNmhMcDRWV0pR3qyedE7yxgr oXIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qp8PGJSLWU/dwswnH2/0kSDHsb+wln5XeqPaVW1B5Z8=; b=E+znByKNgfyX4uJ3T+RVbEmSbxWpC5yu4yyBezVb/kcNYA3T4gHr6uM/Cr9PzfshiP 8oVZ92yZXUSuCm+f9vtoIUqrI18R/jzhNOIOFAUZ2MJ8SAdTgrMGLjvav47VCHu3XikQ LhjmKvVBKp8Xgni7kMWYQmWTtR61KCJt6ac/8qkVQU3UX647k7RI8txs5/nGciRRqs9O f0NKEbjUZ5Gt7WeRJXqyRuzUQw3QUocCgQ/PQCWXaOuhcnm7KvhZ4166i25BDcWOJOB7 zvyAAsDL7Hta8Avhl4u8Dc3drLVLY+ywa8+R00OfKTyE2JLX2vEe6RaOq/bDl/MxE5WB gUoA== X-Gm-Message-State: AOAM533m9lwk45uEEDpO605oHuCWc3CYOzdyrxawI4sNGCr8XBOMvPeI DOBJS8uBdAjlH2djybKW0v1VqZ4YYDQ= X-Google-Smtp-Source: ABdhPJxhvHk5cUvHX6rAbQVwgg8ik+gRYQYw+Z++uVUyjX085PL81mc1MQ6kNeatmpvgR9yE7EELWw== X-Received: by 2002:a17:90a:3841:: with SMTP id l1mr5029772pjf.3.1607929290263; Sun, 13 Dec 2020 23:01:30 -0800 (PST) Received: from bobo.ozlabs.ibm.com ([220.240.228.148]) by smtp.gmail.com with ESMTPSA id 84sm19570018pfy.9.2020.12.13.23.01.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Dec 2020 23:01:29 -0800 (PST) From: Nicholas Piggin To: linux-kernel@vger.kernel.org Cc: Nicholas Piggin , linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, Anton Blanchard , Andy Lutomirski Subject: [PATCH v2 4/5] powerpc: use lazy mm refcount helper functions Date: Mon, 14 Dec 2020 16:53:11 +1000 Message-Id: <20201214065312.270062-5-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20201214065312.270062-1-npiggin@gmail.com> References: <20201214065312.270062-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use _lazy_tlb functions for lazy mm refcounting in powerpc, to prepare to move to MMU_LAZY_TLB_SHOOTDOWN. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 8c2857cbd960..93c0eaa6f4bf 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -1395,7 +1395,7 @@ void start_secondary(void *unused) { unsigned int cpu = raw_smp_processor_id(); - mmgrab(&init_mm); + mmgrab_lazy_tlb(&init_mm); current->active_mm = &init_mm; smp_store_cpu_info(cpu); -- 2.23.0