Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp631084ybt; Fri, 10 Jul 2020 08:29:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyRF1/vrAWjbMSqZjif0Olt8RXx1SsgSoSgXw9G5eByWqgCCzVm8f1bPPal8DiB5zf06+K1 X-Received: by 2002:a05:6402:1c11:: with SMTP id ck17mr74300664edb.38.1594394987044; Fri, 10 Jul 2020 08:29:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594394987; cv=none; d=google.com; s=arc-20160816; b=sSiLeh2/yAXiDt3Zd34BvwkWoOXDQvJBsRRpQysBHxRNGe5lDnvdJCVrvSuXd42aY5 e4KWNrMbuZW8Svk8I2IJfPop+QzFKjvbD8e+BYMWC8Qhe/McSjmkUwQNtpsrbfPY4aar HUxfcNnYfDN4vTcgoCGWBZWv/S6Myx3HGdTwpOEVxIouhUJ19xil/mBLWC4tjNX406gm /cWlXxzDkv8fCGH4V5sYF0vocj8xb06dkvrI43u5lJdPnIoWQ5FSJ7scmiAShrdcAT+5 lkctnjL6YYt4qDsSTQgkYXN5eIljtgBPLWqaEVMZ8xqvlVh0tA5Ln1+zMwxHpzME55RR qyGw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=72N94VtgX4TUEOR3NqcJZVdGWrlB2iEAr9KDeqAICgo=; b=UN+hfXiFQhxO9bQDIdWn39D2aQH7G2UwBkGP7tb+B9fulJnb8fHIV+lGlloNv0Hj+T 4Hc+p7kogMfcG5jlmDIUqphUD5eGMnufUFq1E32WPz4QtZiFBZNYsPYEVSDIVcXtJRHN FeyHOKD1XRpesUnMpXuPCNR4C9hTK5tW9AFk/aLja3NFpFHWD2V++yRldO3vINny3YyL QFZ5ywF33Q29MpERKqxLlp+TWjk/ocZTKoAMnTP+LQfAh+d0x3JPAqt7KHfJ2bAMqypZ jlhds1Dl+upWCX2t8687/X+GlggeIVWttwAptT71Eql6xKkpMLtCmObN8/7AKLLO5bHV wp0w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q28si4144589edw.196.2020.07.10.08.29.24; Fri, 10 Jul 2020 08:29:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727078AbgGJP3N (ORCPT + 99 others); Fri, 10 Jul 2020 11:29:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:52140 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726925AbgGJP3M (ORCPT ); Fri, 10 Jul 2020 11:29:12 -0400 Received: from localhost.localdomain (unknown [95.146.230.158]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F090120720; Fri, 10 Jul 2020 15:29:10 +0000 (UTC) From: Catalin Marinas To: will@kernel.org, Zhenyu Ye Cc: arm@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, xiexiangyou@huawei.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v1] arm64: tlb: don't set the ttl value in flush_tlb_page_nosync Date: Fri, 10 Jul 2020 16:29:08 +0100 Message-Id: <159439494095.22236.16676727348403184772.b4-ty@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200710094158.468-1-yezhenyu2@huawei.com> References: <20200710094158.468-1-yezhenyu2@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 10 Jul 2020 17:41:58 +0800, Zhenyu Ye wrote: > flush_tlb_page_nosync() may be called from pmd level, so we > can not set the ttl = 3 here. > > The callstack is as follows: > > pmdp_set_access_flags > ptep_set_access_flags > flush_tlb_fix_spurious_fault > flush_tlb_page > flush_tlb_page_nosync Applied to arm64 (for-next/tlbi), thanks! [1/1] arm64: tlb: don't set the ttl value in flush_tlb_page_nosync https://git.kernel.org/arm64/c/61c11656b67b -- Catalin