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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CC8F7C25B10 for ; Mon, 6 May 2024 21:08:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s45ZI-00035m-EB; Mon, 06 May 2024 17:08:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s45ZF-00035H-NF for qemu-devel@nongnu.org; Mon, 06 May 2024 17:08:13 -0400 Received: from mail-ot1-x32d.google.com ([2607:f8b0:4864:20::32d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1s45ZE-0000nJ-0J for qemu-devel@nongnu.org; Mon, 06 May 2024 17:08:13 -0400 Received: by mail-ot1-x32d.google.com with SMTP id 46e09a7af769-6f05b8fc6c1so862724a34.0 for ; Mon, 06 May 2024 14:08:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1715029690; x=1715634490; darn=nongnu.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=z/loUhp5PrsBYSFWbwTS+0yfJJR9vjwcisKcGSpp6iI=; b=RfEo3SX05QHQbplaOM+1Z2wResriPQfg963QlskG0CFf/pHSyv3ke0/hLicuq97mHa VKaktSbfzYcjNW5HV9OafBdnsUlV0X1rLq30yHV3LzwMr/eIk5DIktlgvekGliyd8YH7 mELDhMi9fBLlUrJTeFPhhF1HLO9VVrigQ56R61bXjBS2cBgTlxnRgEnxQgTss9QjHSbW YEOs79VC6mdYg3q0u/2F4BWDDGQ93jBd7CqZlfF3KUkXYCasaERd+X89JOyO0yX6d7C9 evVuiqjPSZtXnX0XSbbylFi80uX+YNS6ioYCvY9JtTHl53QLhFuZzMioVFrCm7RpVC5R N9dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715029690; x=1715634490; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=z/loUhp5PrsBYSFWbwTS+0yfJJR9vjwcisKcGSpp6iI=; b=QRYLp8/4xCzHgIuxmpmVU2foXrWMmihvqFS9vKqj6KTuG4ROH13ZbcLHpYvXK6NTbQ 6gWXhtv3pBFsp0JxZrCXnbwOS0/t1gfBft+Jm7T0SPTy8F8U788JMY9smAH8ZraF7A/2 Yl2Ra3SElbEIPFzCygdkCV1XANcQnrdSOCjRsgqyn/HR+MhGc0IXsY9gFbc4Lbwj4fKC ZXlcR7E2fSeeDDx4qHUw8MybrsnTFFx9/JlJwwYiXtKV4j1SVXVHAVIgrnEFkX42+7I0 IDQihBmuL87cNvgsWzozllkHKnNInlWvVPtHAKPTWUoZkqWpOWRuPnQqRkrh0Ibhbjrx SYuQ== X-Forwarded-Encrypted: i=1; AJvYcCWZuXx13INXQN0mLBXnRDKqc76u6PjPk9iTsdskbQJQrtAvc8u+RlCB80ALm7HrCmXR8E/bMozOFpOcDtz+JYsphMW1D0U= X-Gm-Message-State: AOJu0Yz4Kj5cg9IUWtiVWR326EJaOdt3wSjKwfEoQOjh+5QldL8oB5bI wUhBRk7A+M1YhVSlewuDcLs2ESAskhPiPtZQLd8dcqqDOQZ9zlCHCBTKfSSntbKoPM8t9fdhfV4 pbzERE8HVfOsFdhyTvyEjJA944Jfh0OyX12pvPQ== X-Google-Smtp-Source: AGHT+IHk83H1LbLbgeXy1rhJDqBJSijyh2jEZtuBHC8q6qDqnKHNYotBOITFXBqa6J752ulyK18YWae85ZB1JBeG0iE= X-Received: by 2002:a05:6871:799e:b0:23c:ffe8:a80c with SMTP id pb30-20020a056871799e00b0023cffe8a80cmr12517231oac.52.1715029690482; Mon, 06 May 2024 14:08:10 -0700 (PDT) MIME-Version: 1.0 References: <20240304100554.1143763-1-mnissler@rivosinc.com> In-Reply-To: From: Mattias Nissler Date: Mon, 6 May 2024 23:07:59 +0200 Message-ID: Subject: Re: [PATCH v8 0/5] Support message-based DMA in vfio-user server To: Peter Xu Cc: Stefan Hajnoczi , Peter Maydell , Jagannathan Raman , QEMU Developers , =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= , john.levon@nutanix.com, David Hildenbrand , "Michael S. Tsirkin" , Paolo Bonzini , Richard Henderson , Marcel Apfelbaum , Elena Ufimtseva Content-Type: multipart/alternative; boundary="0000000000007b1aad0617cf77d6" Received-SPF: pass client-ip=2607:f8b0:4864:20::32d; envelope-from=mnissler@rivosinc.com; helo=mail-ot1-x32d.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --0000000000007b1aad0617cf77d6 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, May 6, 2024 at 4:44=E2=80=AFPM Peter Xu wrote: > On Thu, Mar 28, 2024 at 08:53:36AM +0100, Mattias Nissler wrote: > > Stefan, to the best of my knowledge this is fully reviewed and ready > > to go in - can you kindly pick it up or advise in case there's > > something I missed? Thanks! > > Fails cross-compile on mipsel: > > https://gitlab.com/peterx/qemu/-/jobs/6787790601 Ah, bummer, thanks for reporting. 4GB of bounce buffer should be plenty, so switching to 32 bit atomics seems a good idea at first glance. I'll take a closer look tomorrow and send a respin with a fix. --0000000000007b1aad0617cf77d6 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


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On Mon, May 6, 2024 at 4:44=E2=80=AFP= M Peter Xu <peterx@redhat.com&g= t; wrote:
On Thu= , Mar 28, 2024 at 08:53:36AM +0100, Mattias Nissler wrote:
> Stefan, to the best of my knowledge this is fully reviewed and ready > to go in - can you kindly pick it up or advise in case there's
> something I missed? Thanks!

Fails cross-compile on mipsel:

https://gitlab.com/peterx/qemu/-/jobs/6787790601=

Ah, bummer, thanks for reporting. 4GB of b= ounce buffer should be plenty, so switching to 32 bit atomics seems a good = idea at first glance. I'll take a closer look tomorrow and send a respi= n with a fix.
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