From owner-freebsd-hackers@freebsd.org Sun Dec 13 18:17:52 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 EFA2B4BF8E3 for ; Sun, 13 Dec 2020 18:17:52 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from outbound5a.ore.mailhop.org (outbound5a.ore.mailhop.org [44.233.67.66]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4CvCS03rDvz4hvj for ; Sun, 13 Dec 2020 18:17:52 +0000 (UTC) (envelope-from ian@freebsd.org) ARC-Seal: i=1; a=rsa-sha256; t=1607883471; cv=none; d=outbound.mailhop.org; s=arc-outbound20181012; b=he/3qM8AIR6dUzV90qETVZp+s+9DneNZuIihNSAfx7X3wAqrexZV2IrvNgt4ah+5ndOlGxtM9//+R fWFFj5U0OvqjZ50p5vE2eldyv65rGo7Xk5yfhLTEYHSFED7REkDQ2wLUsTVPIFG+dDyo2Fo5pbRZow Xyq1BIzVCqRFbqM7cv7lqTJkVTnXkGvt4Gs17xKJyQ/tbuCIBXPov965WoPbd2hFv46z2z6uedFlr8 9p1jiQRUilvhVGP41/Afa/xC9WlU+UnDATaQvSHdp6/sLCIGMcOhatAHrlosH5Hz20CiHdx8orXWxJ WhSGeET01u26PcMsqbgnDAaMZpAaxZA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=arc-outbound20181012; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:to:from:subject:message-id:dkim-signature:from; bh=6hawAtwhkQW2sNr8vSUNUyTpvWvxKdaPvuF8Q5VNfgw=; b=qdbvZ3JbbtUfrINCq5iG4liYlSHfmF8sYirXveS6BJBfPI1UXLL6wWb3gaVOSnZ+XBvZgyRhiRLzx +xJiuZyOc+kuLQVkQJYGLKO2aq23LvMu58V3KvUeMjk08LSw0w+261YaywRQ56QFZIsAm4S5gIiKPY /1eMIVWgYqijMEdfLqTXG9fPke9A0q/5mjdstmK/+tDss9fN5v8jEENfVBEbLmfXjsP0MrsW7bArkc GQPA5+kfZeIsnWDSCXKq2HycMAcdg1HwTDTL9owlN6KDupbfR2caWJNAO8VGkgBhXiSSjmUlWSsyXM ye173oibJLZlKdDFwPcI52fHbP17ToA== ARC-Authentication-Results: i=1; outbound3.ore.mailhop.org; spf=softfail smtp.mailfrom=freebsd.org smtp.remote-ip=67.177.211.60; dmarc=none header.from=freebsd.org; arc=none header.oldest-pass=0; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=dkim-high; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:to:from:subject:message-id:from; bh=6hawAtwhkQW2sNr8vSUNUyTpvWvxKdaPvuF8Q5VNfgw=; b=q5zaX/VuQVsAwSK3XdE0KeCSxQLx70+Lo8naAz27EoPSqJgCSAuRY+fMumnArY4KnySR9Lov5dM+1 8z951lE0PgCqHeP3QcjpzSZ0k/BmigCzh+NYWvEPiGcVpaDJS5iDiawdXcOdid6zzyeXOHt/DxmLSp J95PyAeVpWRVT0yCjdoGNeGXqRgNP6VwL8BT0Gh+LhlOfrT1y4s8D1xhkmlwcGn/ARodacLjujBm1l C0J7pLpa97CO9PYrOQ/uwgomiUzxHFJjV4sOnj78WwCHy2IND6tQQBFCWhXDFZXoFY7oIaUKzkkBwj Dy60dNwfFFSI+c7nZPfzjRYLEcX3VAw== X-MHO-RoutePath: aGlwcGll X-MHO-User: 81934082-3d6f-11eb-8b5f-614106969e8d X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 67.177.211.60 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (c-67-177-211-60.hsd1.co.comcast.net [67.177.211.60]) by outbound3.ore.mailhop.org (Halon) with ESMTPSA id 81934082-3d6f-11eb-8b5f-614106969e8d; Sun, 13 Dec 2020 18:17:49 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id 0BDIHm1R043156; Sun, 13 Dec 2020 11:17:48 -0700 (MST) (envelope-from ian@freebsd.org) Message-ID: <6dd927984d69ef0e95e1e90651bcd8087bc4eec4.camel@freebsd.org> Subject: Re: char devices without SI_UNMAPPED? From: Ian Lepore To: alan somers , FreeBSD Hackers Date: Sun, 13 Dec 2020 11:17:48 -0700 In-Reply-To: References: Content-Type: text/plain; charset="ASCII" X-Mailer: Evolution 3.28.5 FreeBSD GNOME Team Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4CvCS03rDvz4hvj X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [0.00 / 15.00]; local_wl_from(0.00)[freebsd.org]; ASN(0.00)[asn:16509, ipnet:44.224.0.0/11, country:US] 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 18:17:53 -0000 On Sun, 2020-12-13 at 10:27 -0700, alan somers wrote: > 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 > I assume you mean disk-like devices? Probably mmcsd, flash/at45d, flash/mx25l. -- Ian