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_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 9E928C32771 for ; Mon, 13 Jan 2020 03:29:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 68EFC206D6 for ; Mon, 13 Jan 2020 03:29:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=flygoat.com header.i=@flygoat.com header.b="ogakWJEJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733103AbgAMD3j (ORCPT ); Sun, 12 Jan 2020 22:29:39 -0500 Received: from forward103j.mail.yandex.net ([5.45.198.246]:43328 "EHLO forward103j.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733091AbgAMD3j (ORCPT ); Sun, 12 Jan 2020 22:29:39 -0500 Received: from mxback29g.mail.yandex.net (mxback29g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:329]) by forward103j.mail.yandex.net (Yandex) with ESMTP id C97BC674102D; Mon, 13 Jan 2020 06:29:35 +0300 (MSK) Received: from myt6-016ca1315a73.qloud-c.yandex.net (myt6-016ca1315a73.qloud-c.yandex.net [2a02:6b8:c12:4e0e:0:640:16c:a131]) by mxback29g.mail.yandex.net (mxback/Yandex) with ESMTP id hpkNKU8PuF-TYOOR1Sc; Mon, 13 Jan 2020 06:29:35 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; s=mail; t=1578886175; bh=VOgMDGdvTzv5y4W/TbHrKqKQQ6yp8jZMoFl2RcSABik=; h=From:To:Subject:CC:References:Date:In-Reply-To:Message-ID; b=ogakWJEJZR8Jt2QzfMJKuKLr6Pif+C6CW/6nBlP32UKQCFl96FVTZQSEnuCAm3muc gODFB/lClBD4H5BUT+XzUVT8yZmg0Sk8LHC9D3SvyT8YseGUWXRhKMb54W6264/leE /0RoASXtCN6hTA4ArPSlwMt/1SEMGZd/zIem1JpU= Authentication-Results: mxback29g.mail.yandex.net; dkim=pass header.i=@flygoat.com Received: by myt6-016ca1315a73.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id yxSOjOv5nm-TXVigarp; Mon, 13 Jan 2020 06:29:33 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) Date: Mon, 13 Jan 2020 11:29:28 +0800 User-Agent: K-9 Mail for Android In-Reply-To: References: <20200109212404.GA1750666@aurel32.net> <783FE963-FE06-40FA-8F8B-980B912A9602@flygoat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: debian bootup hangs on qemu-system-mips64el To: Jun Sun CC: qemu-discuss@nongnu.org, debian-mips@lists.debian.org, linux-mips@vger.kernel.org, lixing <13699171092@139.com>, Aurelien Jarno From: Jiaxun Yang Message-ID: <6D105399-ECD4-49C1-B789-2334BB2B65AE@flygoat.com> Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org =E4=BA=8E 2020=E5=B9=B41=E6=9C=8813=E6=97=A5 GMT+08:00 =E4=B8=8A=E5=8D=881= 0:35:18, Jun Sun =E5=86=99=E5=88=B0: >Thanks, Jiaxun=2E See more questions below=2E > >Jun > >On Sun, Jan 12, 2020 at 5:17 PM Jiaxun Yang >wrote: >> >> >> >> =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=2E >> > >> >>https://www=2Emips=2Ecom/blog/how-to-run-smp-linux-in-qemu-on-a-mips64-r= elease-6-cpu/ >> > >> >Also, as Lixing mentioned in our private exchange, there is SMP >> >support for loongson=2E 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 >instead of MIPS MT One=2E >> There QEMU implementation could be found here [1]=2E >> QEMU have implemented MIPS MT ASE for SMP=2E >> > >Do you know how to enable and run MIPS MT ASE in qemu? For with CPU >options? I tried maxcpus=3D2 cpu=3D34kf for malta long ago and it was working=2E But I'm not sure whether it still works now=2E --=20 Jiaxun Yang