From owner-freebsd-hackers@freebsd.org Sun Dec 13 17:27:35 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 02A794BEE24 for ; Sun, 13 Dec 2020 17:27:35 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-ot1-x330.google.com (mail-ot1-x330.google.com [IPv6:2607:f8b0:4864:20::330]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CvBKy0hmpz4flF for ; Sun, 13 Dec 2020 17:27:33 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-ot1-x330.google.com with SMTP id w3so13434117otp.13 for ; Sun, 13 Dec 2020 09:27:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=Qf/Et/P3ZPPLt4azw3SbzVT47MuXZiYKiZ9bgRvXS6o=; b=gd+v4tDqNF1bYbLKSRU6aDH176X/q/m266fLmg5LBDnGm1i/5z8PPavL4CYVPeOX77 yZAupHL6yDZgrfIMekuoQX5Jm8KsFyXJr3X2WZy9Ce06lIIdoU+JjJQfRC3KSMlwI1ie WIOFs11sNYnhAA45LnmcAXt6GHRz01GGHsrf9IQHIXN1pzt+XKeQ1GumZo02rONjSNKO Qn/Vu1e3vr5F7+uFqiyUqWe3UcKDS2FMpY5vpa4ktd+34BB6m3T+t2PMGPRHJ5AH48uA Slqh7wj2oJzDRBcrC61B5Peji6hx4fa2bCXjBYkTtX+/i2kjNs+lDQuOPXQ+cjjuXQNl ulgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Qf/Et/P3ZPPLt4azw3SbzVT47MuXZiYKiZ9bgRvXS6o=; b=iGJxJ4XVKEcjlzaV9bhP5V2Q3JRONUXEBnon9xv3p216r89AxuPUmMr01RBH7/5fvE vu9dbUHrKXVcKu5a1pAcvj96xuB75gRgYEAui1Ue+ekXeP6GDbFgOpsaTxvOa8dBQISR m/gsgvgngW0qZdWsnCuoJ2YiuGonhOlgJ51RFYKeDd5eVlijW5SCGlZI2RZ5R1lyRJ0f k2MTtZJtxucNi05k/VuVw9mlsxhFSq3fcwvsL/Lk+WETF/GS0ppsiANGgR28gavRgvZD x/l23wUXrIilcQnjf+Q0iudm8JKic6WP5NAogUdtgl1j/JrUafBVV6f7F3USXbDTAyaG P+1Q== X-Gm-Message-State: AOAM530YxS+TVwBQHrXYSNf8MDjM/tNRe7c1SV6+e2cU86JE6zElBaqK 0rBpDeo9Rb89GYAHz0xZUYTBBEw6niVZg8XKsOg8A9BE7qw= X-Google-Smtp-Source: ABdhPJztbcBukaB6qFEtsmB1cb74qYwRtuALhzifIXl4HR99s2n+T1tSbe0jadSJgYN0gdbeEy4Uhrk9Y/u+JfxEO6E= X-Received: by 2002:a05:6830:2413:: with SMTP id j19mr8136743ots.251.1607880452673; Sun, 13 Dec 2020 09:27:32 -0800 (PST) MIME-Version: 1.0 From: alan somers Date: Sun, 13 Dec 2020 10:27:21 -0700 Message-ID: Subject: char devices without SI_UNMAPPED? To: FreeBSD Hackers X-Rspamd-Queue-Id: 4CvBKy0hmpz4flF X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=gd+v4tDq; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of asomers@gmail.com designates 2607:f8b0:4864:20::330 as permitted sender) smtp.mailfrom=asomers@gmail.com X-Spamd-Result: default: False [-2.41 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.41)[-0.415]; FROM_EQ_ENVFROM(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::330:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FREEFALL_USER(0.00)[asomers]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::330:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::330:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-hackers] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Dec 2020 17:27:35 -0000 I'm trying to exercise the aio code that handles character devices that don't set the SI_UNMAPPED flag. But I can't find any. Are there any remaining character devices that don't allow unmapped I/O? -Alan