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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 C1CFBC433DB for ; Tue, 2 Feb 2021 17:53:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7AC4164F8D for ; Tue, 2 Feb 2021 17:53:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237915AbhBBRx3 (ORCPT ); Tue, 2 Feb 2021 12:53:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234026AbhBBRvM (ORCPT ); Tue, 2 Feb 2021 12:51:12 -0500 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09FB8C061786 for ; Tue, 2 Feb 2021 09:50:32 -0800 (PST) Received: by mail-ej1-x634.google.com with SMTP id p20so11977527ejb.6 for ; Tue, 02 Feb 2021 09:50:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nametag.social; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Q7b/5RMtkxFfK48Fs0uXkc+wVXmOkWkDGx2P6aNVSBY=; b=3adaXgzDp1Tjz/8eZ3bLey54hZKyDnVBiQfbF13dPoj2QNFcIXNJN59PsebH8ePSLi D7b1w2MO4n/UzbldPPr1ldSvUAJnzgC0TR5UUHM6uR7pk8P/RlcvYUu5kmHiJyFmWv9n bkUrx1ULMiVglmhellqf3NBVnFbYOaqeIMonVl6RkN3j1jf46qT0iPrcoBKAK/0H5dGl TKAv1ArPjRbleZ7kii2YBdG9+C9gZ02szggASdXZNe6AMvnklYDQTAjwbw8NFSakDC8M MMlEXr4zkS8JfIHwWY9SNvpjvJQnpR0Kfaytb+d++jXdd1O/qzdc8/vC33qzQiEJ8FqC gZHg== 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=Q7b/5RMtkxFfK48Fs0uXkc+wVXmOkWkDGx2P6aNVSBY=; b=K0i8en50d7zJrmz7UTChKu30dBpFSQAo5wXK+UZVO+HB9P3xBvgX0HoLROqAZ4kztH E0orJHGILdTBVNIeVQrgwqa7evB5hRc4vGY6B9QNgNgrOoKk7I5yIbYtTa7NtZxzhUrn Rmcw5iACiAQcw7s439+CM33vdGoJcwDYLlE+eaLXwszpBtqS831T3lygG8IfWXbZW18h 9pmzWgVLePUhWvy8tIis/sZNpqYn670TbLD8Bw4B7xHsORX5vnaAONuyiYYQ34etkynI h7FZ2+cW+HOiDmcfBC+R0nzQSTfKMDxtILramfEhnAISERHMsKtTtTK8aqyXl822kr2W +6FQ== X-Gm-Message-State: AOAM533leBUhFTA2R75sVDFc5bXZa3l+IoPdaIykpV4O0dwYetbzLj+i 5qdVxmS5q2YzXy1LupEGQHZXJOszeX0OmICSGGqnzA== X-Google-Smtp-Source: ABdhPJwS4vkqyzhtGwAnnXT0ZE8f3XBRnYonycLCnx8CCV+WefHuzvtwW4qGYkxgh5lmzSalYq79EE+ppYMYHDZz4Pk= X-Received: by 2002:a17:906:1c13:: with SMTP id k19mr23670591ejg.338.1612288230765; Tue, 02 Feb 2021 09:50:30 -0800 (PST) MIME-Version: 1.0 References: <49743b61-3777-f152-e1d5-128a53803bcd@gmail.com> <4b44f4e1-c039-a6b6-711f-22952ce1abfb@kernel.dk> <06ceae30-7221-80e9-13e3-148cdf5e3c9f@kernel.dk> <1baf259f-5a78-3044-c061-2c08c37f7d58@kernel.dk> In-Reply-To: <1baf259f-5a78-3044-c061-2c08c37f7d58@kernel.dk> From: Victor Stewart Date: Tue, 2 Feb 2021 12:50:19 -0500 Message-ID: Subject: Re: bug with fastpoll accept and sqpoll + IOSQE_FIXED_FILE To: Jens Axboe Cc: Pavel Begunkov , io-uring Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org > Alright, so you're doing ACCEPT with 5.10 and you cannot do ACCEPT > with SQPOLL as it needs access to the file table. That works in 5.11 > and newer, NOT in 5.10. Same goes or eg open/close and those kinds > of requests. okay i must have missed that point somewhere. perfect i'll just avoid sqpoll until using 5.11. at least this exercise exposed some other issue pavel wanted to look into! > -- > Jens Axboe >