From owner-freebsd-current@freebsd.org Mon Apr 20 03:47:34 2020 Return-Path: Delivered-To: freebsd-current@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 DCECF2B51C9 for ; Mon, 20 Apr 2020 03:47:34 +0000 (UTC) (envelope-from ota@j.email.ne.jp) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 495CMB28Phz4Xxy for ; Mon, 20 Apr 2020 03:47:34 +0000 (UTC) (envelope-from ota@j.email.ne.jp) Received: by mailman.nyi.freebsd.org (Postfix) id 47D9A2B51C8; Mon, 20 Apr 2020 03:47:34 +0000 (UTC) Delivered-To: current@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 468FF2B51C6 for ; Mon, 20 Apr 2020 03:47:34 +0000 (UTC) (envelope-from ota@j.email.ne.jp) Received: from mail02.asahi-net.or.jp (mail02.asahi-net.or.jp [202.224.55.14]) by mx1.freebsd.org (Postfix) with ESMTP id 495CM66sY8z4Xxt; Mon, 20 Apr 2020 03:47:29 +0000 (UTC) (envelope-from ota@j.email.ne.jp) Received: from vmware.advok.com (cpe-184-152-96-96.nj.res.rr.com [184.152.96.96]) (Authenticated sender: NR2Y-OOT) by mail02.asahi-net.or.jp (Postfix) with ESMTPSA id 80B44E9DA1; Mon, 20 Apr 2020 12:47:26 +0900 (JST) Date: Sun, 19 Apr 2020 23:40:06 -0400 From: Yoshihiro Ota To: Konstantin Belousov , current@freebsd.org Subject: Re: PAE on i386 Message-Id: <20200419234006.484caaf288ce9025f39cce39@j.email.ne.jp> In-Reply-To: <20190120111854.GF26174@kib.kiev.ua> References: <20190120111854.GF26174@kib.kiev.ua> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; i386-portbld-freebsd12.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 495CM66sY8z4Xxt X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of ota@j.email.ne.jp designates 202.224.55.14 as permitted sender) smtp.mailfrom=ota@j.email.ne.jp X-Spamd-Result: default: False [0.25 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; NEURAL_HAM_MEDIUM(-0.53)[-0.533,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:202.224.55.0/24]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[email.ne.jp]; MV_CASE(0.50)[]; NEURAL_HAM_LONG(-0.47)[-0.474,0]; IP_SCORE(1.05)[ip: (1.00), ipnet: 202.224.32.0/19(0.29), asn: 4685(3.93), country: JP(0.05)]; RCPT_COUNT_TWO(0.00)[2]; RCVD_NO_TLS_LAST(0.10)[]; RECEIVED_SPAMHAUS_PBL(0.00)[96.96.152.184.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.10]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[14.55.224.202.list.dnswl.org : 127.0.5.1]; ASN(0.00)[asn:4685, ipnet:202.224.32.0/19, country:JP]; MID_RHS_MATCH_FROM(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[14.55.224.202.rep.mailspike.net : 127.0.0.17] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Apr 2020 03:47:34 -0000 Hi, I recall this result was committed a while ago to 13-CURRENT: https://svnweb.freebsd.org/base?view=revision&revision=343567 Is there a plan to MFC to 12-STABLE? Does this feature results changing ABI? Regards, Hiro On Sun, 20 Jan 2019 13:18:54 +0200 Konstantin Belousov wrote: > Hello, > at https://reviews.freebsd.org/D18894 I put a review which main goal is > to allow i386 kernels to use NX bits on capable hardware. In essence, > single kernel now can operate using either PAE or non-PAE pagetables, > the selection is done at the cold (very early boot, before paging is > turned on) time. > > This together with earlier 4/4 work gives much more life into i386 kernels > for whoever still needs them. Please review/test, see the differential > review text for more explanation. > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"