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=-10.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 BA30CC433DB for ; Mon, 8 Feb 2021 23:04:34 +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 0217164E7A for ; Mon, 8 Feb 2021 23:04:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0217164E7A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=weilnetz.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60638 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l9Fa4-0002YT-Dc for qemu-devel@archiver.kernel.org; Mon, 08 Feb 2021 18:04:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33410) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9BqD-0005c8-9Y for qemu-devel@nongnu.org; Mon, 08 Feb 2021 14:04:57 -0500 Received: from mail.weilnetz.de ([37.120.169.71]:43364 helo=mail.v2201612906741603.powersrv.de) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9BqA-0006Jy-F2 for qemu-devel@nongnu.org; Mon, 08 Feb 2021 14:04:56 -0500 Received: from macbook02.fritz.box (p5b1511bf.dip0.t-ipconnect.de [91.21.17.191]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.v2201612906741603.powersrv.de (Postfix) with ESMTPSA id 19A27DA1795; Mon, 8 Feb 2021 20:04:52 +0100 (CET) To: Richard Henderson , Paolo Bonzini , Peter Maydell References: <20210204014509.882821-1-richard.henderson@linaro.org> <20210204014509.882821-64-richard.henderson@linaro.org> <9d107cb2-ee8c-2a89-e004-9996a647a060@weilnetz.de> <9f552075-1783-dc8b-f338-23e12a138ffd@linaro.org> <69d3bc09-aeb8-6a40-157e-bf0dc19c0035@linaro.org> <2a61b461-c460-3b25-edd8-30e52b2eb578@redhat.com> <02ea197e-7ad0-0d85-78d7-c58f4aeceddc@weilnetz.de> <61a56eac-8afc-fa52-1681-21607b5294fd@linaro.org> From: Stefan Weil Subject: Re: [PATCH v2 63/93] tcg/tci: Use ffi for calls Message-ID: <9f4e07d9-be5c-8bf4-f54a-424a844e8e7e@weilnetz.de> Date: Mon, 8 Feb 2021 20:04:51 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <61a56eac-8afc-fa52-1681-21607b5294fd@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=37.120.169.71; envelope-from=sw@weilnetz.de; helo=mail.v2201612906741603.powersrv.de X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-0.265, 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 Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Am 08.02.21 um 18:39 schrieb Richard Henderson: > On 2/8/21 5:07 AM, Stefan Weil wrote: >> Richard, this commit is also the one which breaks qemu-system-i386 on = sparc64 >> for me: > You'll have to give me more details than that, because qemu-system-i386= works > for me on a niagara5 w/ debian sid. I am testing on a similar Debian system (debian-ports unstable), but=20 with a Niagara3 cpu: Linux gcc102.fsffrance.org 5.10.0-3-sparc64-smp #1 SMP Debian 5.10.12-1=20 (2021-01-30) sparc64 GNU/Linux gcc (Debian 10.2.1-6) 10.2.1 20210110 $ cat /proc/cpuinfo cpu=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 : UltraSparc T3 (Niagara3) fpu=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 : UltraSparc T3 integrated FPU pmu=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 : niagara3 prom=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 : OBP 4.34.6.c 2017/03/22 13:55= type=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 : sun4v ncpus probed=C2=A0=C2=A0=C2=A0 : 256 ncpus active=C2=A0=C2=A0=C2=A0 : 256 D$ parity tl1=C2=A0=C2=A0=C2=A0 : 0 I$ parity tl1=C2=A0=C2=A0=C2=A0 : 0 cpucaps=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 :=20 flush,stbar,swap,muldiv,v9,blkinit,n2,mul32,div32,v8plus,popc,vis,vis2,AS= IBlkInit,fmaf,vis3,hpc [...] During "git bisect" I had to apply fixes for unaligned memory access as=20 your series starts with TCI code which does not include my patch for=20 that. The first bisect step was tested with your tci-next branch, the=20 last step was tested with my bisect-tci branch=20 (https://gitlab.com/stweil/qemu/-/commits/bisect-tci). Stefan