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=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,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=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 07D9CC63777 for ; Sat, 28 Nov 2020 16:16:50 +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 5BC542224D for ; Sat, 28 Nov 2020 16:16:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ssXbLd8Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5BC542224D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 4CjxTC2S6bzF0fL for ; Sun, 29 Nov 2020 03:16:47 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::443; helo=mail-pf1-x443.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=ssXbLd8Y; dkim-atps=neutral Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) (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 4Cjx8d5h39zDrQh for ; Sun, 29 Nov 2020 03:02:25 +1100 (AEDT) Received: by mail-pf1-x443.google.com with SMTP id x24so7086208pfn.6 for ; Sat, 28 Nov 2020 08:02:25 -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=ssXbLd8YUR2ZIFy9Jd8hXHpF+Y+ZgoHlIRFX9zhsrsp+ZLU7bKlg7EuG2lSdedrjvR wE/qE7l+MWwYSzP1wi8Op9LZacYNj0TFM33blDINJeQw3k661TnuMoVq1P9kWsUpYm2L GU+Rh70ojG5i/bX6AWDs/ACxCKMtupmq6KLpdZta42wvOGpj65dxqcLBcKS1XebjeT2g HWp9e3wV/L0EXL2Ys40bmy1FkuapWC6KRItPGmNgSBbEo8WylcMXRQEawZThlVjdjrJU +e772jc+1LXeLO7pSn+jmxQ4ISH3MsydjpyvNtpmhbzBrVbHsQbAlOUzcGpBsv2LoBoI u0RQ== 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=OZAwcLp27PeALU3M+0jDXRgCnfhK4eEiY3Bpx5ydy9T7SC/CmHxQVIPJr3uYp7+KoT 8tQyM0JSlGSJwOoDQQYYu/6lgJGtQ+eV5wqXP2Xx/3uTTcxXZCihAPzGUQZqGQG6lHiu hZCb8yYs0sT0h3eCKpkz/7hEuyvrZTRV+Mk2qBKOWlYYBUvQ+N1HyZ6+VG7G401ueZh4 MUyUMd0twj9AByyAVWY/liuPcCLAj/6/zl0r3KDVBp4F8qysRjNReaptIV362nL4rZ3K P9elkSoj5ankr7lPUPPNkKxHnOI2PTrSPX2B1f8zHjMEiO0uSCTKbkS7BkCdgrbZCQ7y Y3Hg== X-Gm-Message-State: AOAM532j+7I3ElkJq05sq7C5OOnAoRGEOOo8PEZEcJMXDucTbiq3sROU uhbagqykhhtpujPOuyxSPd3S+0pe48M= X-Google-Smtp-Source: ABdhPJw9UtKcgVJk5VujOdxJVrz6MfFXjvC+/8I9Mi89OeiWtMkzRMjtujCg4EGW63Zc1A5/CzokHQ== X-Received: by 2002:a63:4956:: with SMTP id y22mr11011753pgk.266.1606579343363; Sat, 28 Nov 2020 08:02:23 -0800 (PST) Received: from bobo.ibm.com (193-116-103-132.tpgi.com.au. [193.116.103.132]) by smtp.gmail.com with ESMTPSA id d4sm9762607pjz.28.2020.11.28.08.02.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Nov 2020 08:02:23 -0800 (PST) From: Nicholas Piggin To: linux-kernel@vger.kernel.org Subject: [PATCH 7/8] powerpc: use lazy mm refcount helper functions Date: Sun, 29 Nov 2020 02:01:40 +1000 Message-Id: <20201128160141.1003903-8-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20201128160141.1003903-1-npiggin@gmail.com> References: <20201128160141.1003903-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: linux-arch@vger.kernel.org, Arnd Bergmann , Peter Zijlstra , x86@kernel.org, Nicholas Piggin , linux-mm@kvack.org, Mathieu Desnoyers , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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