From owner-freebsd-standards@freebsd.org Sat Feb 24 19:24:48 2018 Return-Path: Delivered-To: freebsd-standards@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 50439F07045 for ; Sat, 24 Feb 2018 19:24:48 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-it0-x230.google.com (mail-it0-x230.google.com [IPv6:2607:f8b0:4001:c0b::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 990DD72B36 for ; Sat, 24 Feb 2018 19:24:47 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-it0-x230.google.com with SMTP id k135so1626012ite.2 for ; Sat, 24 Feb 2018 11:24:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=0PD9gOOjtdInxYQcjqWu8Y4Io/oLahzY9iFuR7EABek=; b=TvMJaiKgdUgb9lBQib8Bcmu95gwC1iXwMyiWA1qNr1KQUUbvmJD9/PXJ10aWqCRhDw uJPqxaKjjM19F0982Vju0P2bAJ0zJwwLFvtCnxnr8VQTYM5In7XMM6oRrxlrnqYbODsK TajFniP6UxajVZUqZK+WWzR2yX6tU3D250FiewAHFob7sukpQJglaH8Ph4yo/BnTkByb tbqP6FBkUPE4eDRSfvGjL91mRa3+oHIIs4yRRNHGchfRTiUSFNE5793MI/JTejMe4RZK 1JVQ88UXpt7uylWDpnCXSOLQf4IQ2cGdMPkuM0+AguhxZ9bH2ElkZiNdCxLivEGOFmL8 S7mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=0PD9gOOjtdInxYQcjqWu8Y4Io/oLahzY9iFuR7EABek=; b=uEw3Wsu+koVjXGljhCnFKOpqmQN4oZqhQjf0OaMBxTT3t4o1fdwBVaJRvlgxLmv3Wg EFFI2OliTnNVIt/PyyxtwDv8O/H7VCdHLTUcmgy25wtI28wa8YXiNUVex6FF3R6+LV0C cID9AyhrH7SkbUN3R5Hb6UbjGzswRfU+fC5kk6GE9y7RX44B6QqbaYacrb0XLsKTQQY7 GknH9B0ZHDrWzPGeyZwggLaG9xWWjlg3WR3HLkMhKrht/aghISCIwIgkSz1gfohT/IZa nT38LQerRj1W2t0sjXZTj/9auKsvwTIggWQ6/e58Cml9YxTJNAS7V9F1it4HoG73j3Gu e6vg== X-Gm-Message-State: APf1xPDebmIUB6GfrQ4Lh2nhpywDpz7VliHhjkC56mQYrXqOynZE1J9v V+ZD4k4iJbGkc624gbt8UoHbzT9I4v3jSKjs8/Ab8g== X-Google-Smtp-Source: AG47ELt647OapaU3F12OlM2cWT8YcMbQAH863VMQvrlzXTjVqzo/3/Y3efXc0jWP60IajKgumvRTcLv6R3T7jchPfuw= X-Received: by 10.36.6.70 with SMTP id 67mr7020461itv.57.1519500286471; Sat, 24 Feb 2018 11:24:46 -0800 (PST) MIME-Version: 1.0 Sender: wlosh@bsdimp.com Received: by 10.79.201.67 with HTTP; Sat, 24 Feb 2018 11:24:45 -0800 (PST) X-Originating-IP: [2603:300b:6:5100:1052:acc7:f9de:2b6d] In-Reply-To: References: <20180221032247.GA81670@ns.kevlo.org> <20180221104400.GU94212@kib.kiev.ua> <23181.46427.671514.319710@khavrinen.csail.mit.edu> <20180221185920.GA94212@kib.kiev.ua> <23181.50488.186767.579361@khavrinen.csail.mit.edu> <20180221201002.GC94212@kib.kiev.ua> <23181.54825.511195.393054@khavrinen.csail.mit.edu> <20180222212746.GB58772@stack.nl> From: Warner Losh Date: Sat, 24 Feb 2018 12:24:45 -0700 X-Google-Sender-Auth: UjE_V0FEkGeWZwqGgXutPkNjIyI Message-ID: Subject: Re: Marking select(2) as restrict To: "Conrad E. Meyer" Cc: Eitan Adler , FreeBSD Hackers , FreeBSD Standards Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-standards@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Standards compliance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Feb 2018 19:24:48 -0000 On Sat, Feb 24, 2018 at 11:55 AM, Conrad Meyer wrote: > On Sat, Feb 24, 2018 at 10:35 AM, Eitan Adler > wrote: > > After this entire thread here is the summary. If I've misrepresented > > you here please let me know. > > ... > > > > kib@ - no benefit; concerned fallout could be hard to observe > > cem@ - concerned about warnings > > Consider me a +1 to kib@. I did not voice those concerns explicitly > in earlier email because kib did already and I didn't anticipate you > would ignore him. So there's no benefit to the change (we won't optimize better). It's hard to observe breakage. No answer about how we'd even know if something broke because a exp run sure as hell isn't going to tell us. All that militates against the change rather strongly. Your exp run will change no minds because it is useless. Warner