From owner-freebsd-erlang@freebsd.org Fri Aug 21 17:25:46 2020 Return-Path: Delivered-To: freebsd-erlang@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 5E1D43C30EE for ; Fri, 21 Aug 2020 17:25:46 +0000 (UTC) (envelope-from dch@skunkwerks.at) Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4BY7hS4shHz4Fqy for ; Fri, 21 Aug 2020 17:25:43 +0000 (UTC) (envelope-from dch@skunkwerks.at) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id C9C615C0253; Fri, 21 Aug 2020 13:25:42 -0400 (EDT) Received: from imap6 ([10.202.2.56]) by compute4.internal (MEProxy); Fri, 21 Aug 2020 13:25:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Fri, 21 Aug 2020 13:25:42 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.0-214-g5a29d88-fm-20200818.002-g5a29d882 Mime-Version: 1.0 Message-Id: <70a95c79-b899-45d9-84e9-ea491420421b@www.fastmail.com> In-Reply-To: <20200821132051.ixxcwk52tzvlljg5@mutt-hbsd> References: <20200821132051.ixxcwk52tzvlljg5@mutt-hbsd> Date: Fri, 21 Aug 2020 19:23:07 +0200 From: "Dave Cottlehuber" To: freebsd-erlang , "Shawn Webb" Subject: Re: erlang and map32bit Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4BY7hS4shHz4Fqy X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=skunkwerks.at header.s=fm3 header.b=J98gS+iK; dkim=pass header.d=messagingengine.com header.s=fm3 header.b=Tfjpi9ui; dmarc=none; spf=pass (mx1.freebsd.org: domain of dch@skunkwerks.at designates 66.111.4.27 as permitted sender) smtp.mailfrom=dch@skunkwerks.at X-Spamd-Result: default: False [-2.61 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.02)[-1.021]; R_DKIM_ALLOW(-0.20)[skunkwerks.at:s=fm3,messagingengine.com:s=fm3]; XM_UA_NO_VERSION(0.01)[]; FROM_HAS_DN(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[66.111.4.27:from]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.27]; MIME_GOOD(-0.10)[text/plain]; FREEFALL_USER(0.00)[dch]; DMARC_NA(0.00)[skunkwerks.at]; NEURAL_HAM_LONG(-1.03)[-1.032]; RCVD_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[skunkwerks.at:+,messagingengine.com:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.97)[-0.970]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.27:from]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:11403, ipnet:66.111.4.0/24, country:US]; MID_RHS_WWW(0.50)[]; MAILMAN_DEST(0.00)[freebsd-erlang] X-BeenThere: freebsd-erlang@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Support of Erlang-related ports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Aug 2020 17:25:46 -0000 On Fri, 21 Aug 2020, at 15:20, Shawn Webb wrote: > Hey all, >=20 > I noticed that erlang requires use of MAP_32BIT on amd64. I'm curious > why that is and would love to learn. HardenedBSD prohibits use of > MAP_32BIT by default on supporting 64-bit architectures. Hi Shawn, Surfing erlang source on my phone, I=E2=80=99m guessing this is only nee= ded with erlang=E2=80=99s HIPE JIT compiler. I=E2=80=99m afk still but t= ry disabling hipe - it=E2=80=99s a default ports option toggle IIRC. If that isn=E2=80=99t sufficient I can ask over on the erlang list and r= eport back. A+ Dave