From owner-svn-src-all@FreeBSD.ORG Fri Jan 21 18:31:57 2011 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 AC0B3106564A; Fri, 21 Jan 2011 18:31:57 +0000 (UTC) (envelope-from jkim@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 9A3FF8FC19; Fri, 21 Jan 2011 18:31:57 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id p0LIVv52063452; Fri, 21 Jan 2011 18:31:57 GMT (envelope-from jkim@svn.freebsd.org) Received: (from jkim@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id p0LIVvYQ063449; Fri, 21 Jan 2011 18:31:57 GMT (envelope-from jkim@svn.freebsd.org) Message-Id: <201101211831.p0LIVvYQ063449@svn.freebsd.org> From: Jung-uk Kim Date: Fri, 21 Jan 2011 18:31:57 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org X-SVN-Group: stable-8 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r217700 - in stable/8/sys/amd64: ia32 linux32 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, 21 Jan 2011 18:31:57 -0000 Author: jkim Date: Fri Jan 21 18:31:57 2011 New Revision: 217700 URL: http://svn.freebsd.org/changeset/base/217700 Log: MFC: r217424 Remove redundant, bogus, and even harmful uses of setting TS bit in CR0. It is done from fpstate_drop() when it is really necessary. Modified: stable/8/sys/amd64/ia32/ia32_signal.c stable/8/sys/amd64/linux32/linux32_sysvec.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/amd64/ia32/ia32_signal.c ============================================================================== --- stable/8/sys/amd64/ia32/ia32_signal.c Fri Jan 21 18:18:55 2011 (r217699) +++ stable/8/sys/amd64/ia32/ia32_signal.c Fri Jan 21 18:31:57 2011 (r217700) @@ -741,7 +741,6 @@ ia32_setregs(td, entry, stack, ps_string regs->tf_gs = _ugssel; regs->tf_flags = TF_HASSEGS; - load_cr0(rcr0() | CR0_MP | CR0_TS); fpstate_drop(td); /* Return via doreti so that we can change to a different %cs */ Modified: stable/8/sys/amd64/linux32/linux32_sysvec.c ============================================================================== --- stable/8/sys/amd64/linux32/linux32_sysvec.c Fri Jan 21 18:18:55 2011 (r217699) +++ stable/8/sys/amd64/linux32/linux32_sysvec.c Fri Jan 21 18:31:57 2011 (r217700) @@ -875,7 +875,7 @@ exec_linux_setregs(td, entry, stack, ps_ regs->tf_flags = TF_HASSEGS; regs->tf_cs = _ucode32sel; regs->tf_rbx = ps_strings; - load_cr0(rcr0() | CR0_MP | CR0_TS); + fpstate_drop(td); /* Do full restore on return so that we can change to a different %cs */