From owner-svn-src-all@FreeBSD.ORG Sat Apr 5 14:24:46 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 1380268D; Sat, 5 Apr 2014 14:24:46 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (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 F3B7160A; Sat, 5 Apr 2014 14:24:45 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s35EOjF6021541; Sat, 5 Apr 2014 14:24:45 GMT (envelope-from kib@svn.freebsd.org) Received: (from kib@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s35EOjXj021539; Sat, 5 Apr 2014 14:24:45 GMT (envelope-from kib@svn.freebsd.org) Message-Id: <201404051424.s35EOjXj021539@svn.freebsd.org> From: Konstantin Belousov Date: Sat, 5 Apr 2014 14:24:45 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r264148 - in stable/9/sys: amd64/amd64 i386/i386 X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.17 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: Sat, 05 Apr 2014 14:24:46 -0000 Author: kib Date: Sat Apr 5 14:24:45 2014 New Revision: 264148 URL: http://svnweb.freebsd.org/changeset/base/264148 Log: MFC r263912: Clear the kernel grab of the FPU state on fork. Modified: stable/9/sys/amd64/amd64/vm_machdep.c stable/9/sys/i386/i386/vm_machdep.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/amd64/amd64/vm_machdep.c ============================================================================== --- stable/9/sys/amd64/amd64/vm_machdep.c Sat Apr 5 14:24:29 2014 (r264147) +++ stable/9/sys/amd64/amd64/vm_machdep.c Sat Apr 5 14:24:45 2014 (r264148) @@ -446,7 +446,8 @@ cpu_set_upcall(struct thread *td, struct * values here. */ bcopy(td0->td_pcb, pcb2, sizeof(*pcb2)); - clear_pcb_flags(pcb2, PCB_FPUINITDONE | PCB_USERFPUINITDONE); + clear_pcb_flags(pcb2, PCB_FPUINITDONE | PCB_USERFPUINITDONE | + PCB_KERNFPU); pcb2->pcb_save = get_pcb_user_save_pcb(pcb2); bcopy(get_pcb_user_save_td(td0), pcb2->pcb_save, cpu_max_ext_state_size); Modified: stable/9/sys/i386/i386/vm_machdep.c ============================================================================== --- stable/9/sys/i386/i386/vm_machdep.c Sat Apr 5 14:24:29 2014 (r264147) +++ stable/9/sys/i386/i386/vm_machdep.c Sat Apr 5 14:24:45 2014 (r264148) @@ -444,7 +444,8 @@ cpu_set_upcall(struct thread *td, struct * values here. */ bcopy(td0->td_pcb, pcb2, sizeof(*pcb2)); - pcb2->pcb_flags &= ~(PCB_NPXINITDONE | PCB_NPXUSERINITDONE); + pcb2->pcb_flags &= ~(PCB_NPXINITDONE | PCB_NPXUSERINITDONE | + PCB_KERNNPX); pcb2->pcb_save = &pcb2->pcb_user_save; /*