From owner-svn-src-all@FreeBSD.ORG Thu Jan 5 18:55:59 2012 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 B9F6B106564A; Thu, 5 Jan 2012 18:55:59 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id A88AC8FC19; Thu, 5 Jan 2012 18:55:59 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q05ItxGW050069; Thu, 5 Jan 2012 18:55:59 GMT (envelope-from jhb@svn.freebsd.org) Received: (from jhb@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q05ItxE8050067; Thu, 5 Jan 2012 18:55:59 GMT (envelope-from jhb@svn.freebsd.org) Message-Id: <201201051855.q05ItxE8050067@svn.freebsd.org> From: John Baldwin Date: Thu, 5 Jan 2012 18:55:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r229619 - stable/9/sys/kern 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: Thu, 05 Jan 2012 18:55:59 -0000 Author: jhb Date: Thu Jan 5 18:55:59 2012 New Revision: 229619 URL: http://svn.freebsd.org/changeset/base/229619 Log: MFC 228207: When changing the user priority of a thread, change the real priority in addition to the user priority for threads whose current real priority is equal to the previous user priority or if the new priority is a real-time priority. This allows priority changes of other threads to have an immediate effect. Modified: stable/9/sys/kern/kern_resource.c Directory Properties: stable/9/sys/ (props changed) stable/9/sys/amd64/include/xen/ (props changed) stable/9/sys/boot/ (props changed) stable/9/sys/boot/i386/efi/ (props changed) stable/9/sys/boot/ia64/efi/ (props changed) stable/9/sys/boot/ia64/ski/ (props changed) stable/9/sys/boot/powerpc/boot1.chrp/ (props changed) stable/9/sys/boot/powerpc/ofw/ (props changed) stable/9/sys/cddl/contrib/opensolaris/ (props changed) stable/9/sys/conf/ (props changed) stable/9/sys/contrib/dev/acpica/ (props changed) stable/9/sys/contrib/octeon-sdk/ (props changed) stable/9/sys/contrib/pf/ (props changed) stable/9/sys/contrib/x86emu/ (props changed) Modified: stable/9/sys/kern/kern_resource.c ============================================================================== --- stable/9/sys/kern/kern_resource.c Thu Jan 5 18:50:37 2012 (r229618) +++ stable/9/sys/kern/kern_resource.c Thu Jan 5 18:55:59 2012 (r229619) @@ -488,8 +488,9 @@ rtp_to_pri(struct rtprio *rtp, struct th sched_class(td, rtp->type); /* XXX fix */ oldpri = td->td_user_pri; sched_user_prio(td, newpri); - if (curthread == td) - sched_prio(curthread, td->td_user_pri); /* XXX dubious */ + if (td->td_user_pri != oldpri && (td == curthread || + td->td_priority == oldpri || td->td_user_pri >= PRI_MAX_REALTIME)) + sched_prio(td, td->td_user_pri); if (TD_ON_UPILOCK(td) && oldpri != newpri) { critical_enter(); thread_unlock(td);