From owner-svn-src-all@FreeBSD.ORG Mon Jun 16 19:28:32 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 183A0A89; Mon, 16 Jun 2014 19:28:32 +0000 (UTC) Received: from gromit.grondar.org (grandfather.grondar.org [IPv6:2a01:348:0:15:5d59:5c20:0:2]) (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 CA66F2537; Mon, 16 Jun 2014 19:28:31 +0000 (UTC) Received: from graveyard.grondar.org ([88.96.155.33] helo=gronkulator.grondar.org) by gromit.grondar.org with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.80.1 (FreeBSD)) (envelope-from ) id 1WwcZp-000JHV-Cs; Mon, 16 Jun 2014 20:28:29 +0100 Subject: Re: svn commit: r266083 - in head/sys/arm: arm include Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) Content-Type: text/plain; charset=windows-1252 From: Mark R V Murray In-Reply-To: <494BE7DA-26BC-43A7-8BC0-ECAE8A75E1EF@freebsd.org> Date: Mon, 16 Jun 2014 20:29:32 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <6268E444-F6C7-4B8B-86B7-244A2BB3C4DE@FreeBSD.org> References: <201405141911.s4EJBFZZ097826@svn.freebsd.org> <537D0952.2040001@selasky.org> <7610C8E6-3F01-4317-BC1A-67645A162CD7@FreeBSD.org> <53871493.2010502@selasky.org> <9412A358-EBCB-4A5A-B728-2A15C50FC217@fh-muenster.de> <9B438991-C970-46A7-8116-A490E02D7139@fh-muenster.de> <3841D090-5973-40B0-B61C-F15E8C1978C9@FreeBSD.org> <3664DBD3-7CEA-43E8-9757-E835BB21FE9E@freebsd.org> <5F36DFA5-C5B1-4E5D-88EE-9D60240B40FD@FreeBSD.org> <494BE7DA-26BC-43A7-8BC0-ECAE8A75E1EF@freebsd.org> To: Michael Tuexen X-Mailer: Apple Mail (2.1878.2) X-SA-Score: -1.0 Cc: Hans Petter Selasky , svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jun 2014 19:28:32 -0000 On 16 Jun 2014, at 20:25, Michael Tuexen wrote: >> Should print a whole lotta numbers, incrementing, unless you hit the = wraparound. > Don't I need to compile a kernel with _PMC_USER_READ_WRITE_ being = defined, since > without it a user process can't access the register. When running it = on a kernel > not defining _PMC_USER_READ_WRITE_, I get a core with Illegal = instruction. No. That only enables _write_ access. That=92s on ARMv7. What=92s in = ARMv6 may also work. > Let me build a kernel with the above define and retest. Please try without it. M --=20 Mark R V Murray