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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 823A3C388F7 for ; Fri, 13 Nov 2020 10:13:24 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 DDAC622245 for ; Fri, 13 Nov 2020 10:13:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="sDcxpOjb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DDAC622245 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44176 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kdW54-0005Dj-Fv for qemu-devel@archiver.kernel.org; Fri, 13 Nov 2020 05:13:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59392) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kdW3W-0004OX-4q for qemu-devel@nongnu.org; Fri, 13 Nov 2020 05:11:46 -0500 Received: from mail-ed1-x541.google.com ([2a00:1450:4864:20::541]:40285) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kdW3U-0001y2-C8 for qemu-devel@nongnu.org; Fri, 13 Nov 2020 05:11:45 -0500 Received: by mail-ed1-x541.google.com with SMTP id p93so10028435edd.7 for ; Fri, 13 Nov 2020 02:11:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=D3718KrCdKwADXxpYT6OUExFH6MEmkX4SKc+dE5BmJE=; b=sDcxpOjbumuE1RE09iySGFYF/gXj26VPSVM3uvUnhdVoYrqFNMZcyWJyAmsdNKyjTm 0B3Xb9uWZO2dcX6fSXbS/FBWOKJ1qJXuiUgc8/KVEEPfUKPgaVKv/T0FeQ18y93NMD08 4wMMzXQQ6n7+QEFBfl/Re1logzu4KxHt8dTyjkVkKTORKcTS4EcxcYkcsvHEjA4yyfcb osSt3mqkIrfcz67iI0T64FJlDHK54LEH42LgoblLldT2ILM3i/1XEANaM2OWhDmiTP+k XeEkrxY27mGG8L/U6upp9fbcyPNmlTzkxDRm9yTBSgqlnZwRas1yeU/frkh9InZWqWEv 6KhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=D3718KrCdKwADXxpYT6OUExFH6MEmkX4SKc+dE5BmJE=; b=mfiPdxNsHg2Gujy0EV6UfkeZZ+T4Fgj9RONu66je63i5DrJ0JaD4OKzs7boU+FWWE/ /CsxR0kUArYI+rFvU2i+jBbfb52LNMg+R43JYm5wr/UcETXaF3iA4ZCn2njybL1mzixB gdPeXNixSFpjGW5070yf7n1khKqt7H9E/HF/YnHbbBXdpiw1AsvykDj/8LNHr/zOfbuw RIAlpduhqfSv+N4WCgPNkC8k0IV/+a8Qtapb3VHsBEzjD2Iltv6GjaWUpIKex4J2T2wn fD15GRMiLMpdi/D8nBKHRdRJjCM2AqBkO/YPeyZiCkw5Xdja60/9/ZO9i+7YA9UVZKd8 WCZw== X-Gm-Message-State: AOAM530BfyqzGR86AbFHOiCK7nTHbsFdsiEwEQZN03rpyvWIorJPwxja 1aml1XhiCSr4LH+fL5RVE1bIoPmtAKZNAm1xnoFFPg== X-Google-Smtp-Source: ABdhPJzarCMwVJuogJbHFDJ0K294UrPdPAjUyWaP9UlrWJ3JsvpOB6a/KhSYz7Up7AOOEC8F1fJsdRGA/cuWZXB6j1c= X-Received: by 2002:aa7:db8a:: with SMTP id u10mr1732469edt.204.1605262302079; Fri, 13 Nov 2020 02:11:42 -0800 (PST) MIME-Version: 1.0 References: <20201113095854.67668-1-changbin.du@gmail.com> In-Reply-To: <20201113095854.67668-1-changbin.du@gmail.com> From: Peter Maydell Date: Fri, 13 Nov 2020 10:11:30 +0000 Message-ID: Subject: Re: [PATCH] arm/monitor: Add support for 'info tlb' command To: Changbin Du Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::541; envelope-from=peter.maydell@linaro.org; helo=mail-ed1-x541.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm , "Dr. David Alan Gilbert" , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, 13 Nov 2020 at 09:59, Changbin Du wrote: > > This adds hmp 'info tlb' command support for the arm platform. > The limitation is that this only implements a page walker for > ARMv8-A AArch64 Long Descriptor format, 32bit addressing is > not supported yet. "info tlb" needs its own entirely independent implementation of a page-table walk? I see this is how x86 has done it ,but it seems like a recipe for the info command being perpetually behind what we actually implement... thanks -- PMM