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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 42623C32771 for ; Mon, 13 Jan 2020 03:19:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 06CD621556 for ; Mon, 13 Jan 2020 03:19:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tiyi3Pp6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733020AbgAMDT2 (ORCPT ); Sun, 12 Jan 2020 22:19:28 -0500 Received: from mail-io1-f48.google.com ([209.85.166.48]:38026 "EHLO mail-io1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732961AbgAMDT2 (ORCPT ); Sun, 12 Jan 2020 22:19:28 -0500 Received: by mail-io1-f48.google.com with SMTP id c16so3906867iom.5 for ; Sun, 12 Jan 2020 19:19:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=3/cOLMl7mwYBctl2xQ5pd+ruSEBnbBUw3ounkb2JugM=; b=tiyi3Pp6BRpuQMwgtvBKxwjWh+EkrWAfWE75yuWSV1F14TrhzA/9zxNcZBnA63sQLX Biy5rVyeYpInqnYQ1a7K9WXoy/vgtftOmkpFg+vzE73fzKoMIWfMhv7R4Mn3wBNH55/A Ab6QIcbhSWV6+kMMURc+Cukm2VHtupQLpMHLrd0iTVK8/LFYCupy2iFTe7GnaA92OlL6 9JTXmR3nMd6OVGLG/aorQO5VVFddVoY+fTSOl8Sg+V9hknTJBYoZAECg7Gd7PJSS6aet BJRgXa8KVOSoFYU1sQDBXC1nPESLKwdDg4W+HPAh/kIHw29MaGo7pwPza+HDFgKdaD60 AomQ== 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:content-transfer-encoding; bh=3/cOLMl7mwYBctl2xQ5pd+ruSEBnbBUw3ounkb2JugM=; b=LEf0xyGPQ65GtmhtYHq5YPqCROpVNzz1m1pMyXoqs5yLC0dr7hKKjeYXbrItSDUuo2 rYjwAnouJ7iZ2aEeOefucTXQ77YB0zUX2g1chhtXRYO/x+LVaOkrlIP89LYbFzJz3JA+ qlZMaAH5YROyOyCFFPWQeY/az+ctbjTf3uj3gkaFp7e2l3acTg7nnjMnVfEti4QmgRmW SwvhfZ9cow9s/PPtpSPjb0ZEUTmZUmw8q2ZC8E6VbPJ/vO+FrnhG5m08xFDwEzRXbyxc oodA6GK6z6ERzYuGWdO4fOZnS2baJx53nrZlQsEvpOBQNOv+2vYLSBY4kghVBAIWvIxZ dvbQ== X-Gm-Message-State: APjAAAXnqXhWesObvWgH02qFLjBYm5rbVd0yoxTsc367+YYgh6P50/Wz 4J2sQVCJWi/RUzlSbLzvSSYFXuO0J9qZk66AMfk= X-Google-Smtp-Source: APXvYqxIpDi53RhOSpwlnmlYyPogZkcO+cUQroVx803Nog3frJKnIqWCX1AedHXL1rmcPeG9E0JZdboHCWx+LCINbts= X-Received: by 2002:a6b:4e0b:: with SMTP id c11mr9692654iob.143.1578885567638; Sun, 12 Jan 2020 19:19:27 -0800 (PST) MIME-Version: 1.0 References: <20200109212404.GA1750666@aurel32.net> <783FE963-FE06-40FA-8F8B-980B912A9602@flygoat.com> In-Reply-To: From: Huacai Chen Date: Mon, 13 Jan 2020 11:23:54 +0800 Message-ID: Subject: Re: debian bootup hangs on qemu-system-mips64el To: Jun Sun Cc: Jiaxun Yang , qemu-discuss@nongnu.org, debian-mips@lists.debian.org, "open list:MIPS" , lixing <13699171092@139.com>, Aurelien Jarno Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Hi, all I'm working on Loongson-3's SMP support in QEMU, and I'll send my patches s= oon. Huacai On Mon, Jan 13, 2020 at 10:35 AM Jun Sun wrote: > > Thanks, Jiaxun. See more questions below. > > Jun > > On Sun, Jan 12, 2020 at 5:17 PM Jiaxun Yang wro= te: > > > > > > > > =E4=BA=8E 2020=E5=B9=B41=E6=9C=8813=E6=97=A5 GMT+08:00 =E4=B8=8A=E5=8D= =883:34:18, Jun Sun =E5=86=99=E5=88=B0: > > >Are you sure QEMU/MIPS does not support SMP? Below link written in > > >2016 clearly shows something was working then. > > > > > >https://www.mips.com/blog/how-to-run-smp-linux-in-qemu-on-a-mips64-rel= ease-6-cpu/ > > > > > >Also, as Lixing mentioned in our private exchange, there is SMP > > >support for loongson. Lixing, I assume loongson SMP support is > > >already merged in QEMU repo, right? Can you point out the relevant > > >source code directories? > > Hi Jun, > > > > As far as I known, Loongson is using there own SMP IPI implementation i= nstead of MIPS MT One. > > There QEMU implementation could be found here [1]. > > QEMU have implemented MIPS MT ASE for SMP. > > > > Do you know how to enable and run MIPS MT ASE in qemu? For with CPU opti= ons?