From owner-svn-src-all@FreeBSD.ORG Fri Mar 26 11:49:30 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 46EF91065670; Fri, 26 Mar 2010 11:49:30 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id CE8BD8FC13; Fri, 26 Mar 2010 11:49:29 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id o2QBnP77022458 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 26 Mar 2010 13:49:25 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4) with ESMTP id o2QBnPjH086882; Fri, 26 Mar 2010 13:49:25 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id o2QBnPlL086881; Fri, 26 Mar 2010 13:49:25 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Fri, 26 Mar 2010 13:49:25 +0200 From: Kostik Belousov To: Alexander Leidinger Message-ID: <20100326114925.GS2415@deviant.kiev.zoral.com.ua> References: <201003261143.o2QBhFhK034688@svn.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="R+WA+n3pAWWgNWUs" Content-Disposition: inline In-Reply-To: <201003261143.o2QBhFhK034688@svn.freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-3.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r205683 - head/sys/compat/linprocfs X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 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: Fri, 26 Mar 2010 11:49:30 -0000 --R+WA+n3pAWWgNWUs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 26, 2010 at 11:43:15AM +0000, Alexander Leidinger wrote: > Author: netchild > Date: Fri Mar 26 11:43:15 2010 > New Revision: 205683 > URL: http://svn.freebsd.org/changeset/base/205683 >=20 > Log: > Fix some bogus values in linprocfs. > =20 > Submitted by: Petr Salinger > Verified on: GNU/kFreeBSD debian 8.0-1-686 (by submitter) > PR: 144584 >=20 > Modified: > head/sys/compat/linprocfs/linprocfs.c >=20 > Modified: head/sys/compat/linprocfs/linprocfs.c > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > --- head/sys/compat/linprocfs/linprocfs.c Fri Mar 26 11:33:12 2010 (r2056= 82) > +++ head/sys/compat/linprocfs/linprocfs.c Fri Mar 26 11:43:15 2010 (r2056= 83) > @@ -110,13 +110,36 @@ __FBSDID("$FreeBSD$"); > /* > * Various conversion macros > */ > + > +/* The LINUX_USER_HZ is assumed 100 for now */ > + > +#if defined(__i386__) && defined(__GNUCLIKE_ASM) > +/* we need intermediate result as 64 bit, otherwise it overflows too ear= ly */ > +#define DO64_MULDIV(v,m,d) \ > +({ \ > + unsigned long rv0; \ > + unsigned long rv1; \ > + __asm__ __volatile__( \ > + "mull %1\n\t" \ > + "divl %2\n\t" \ > + :"=3Da" (rv0), "=3Dd" (rv1) \ > + :"r" (d), "0" (v), "1" (m) \ > + :"cc" ); \ > + rv0; \ > +}) Why it is impossible to express the calculation in C ? --R+WA+n3pAWWgNWUs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkusn0QACgkQC3+MBN1Mb4ho4wCg1UBNY2v9VC6QDpzHGFv7RHqH RYoAoNU3Z4R5BNy8HQjeuTjWtm8E1ibC =JYT5 -----END PGP SIGNATURE----- --R+WA+n3pAWWgNWUs--