From owner-svn-src-stable@freebsd.org Wed Aug 8 17:48:03 2018 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DFDFE1064A8C; Wed, 8 Aug 2018 17:48:03 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 94F0089AEE; Wed, 8 Aug 2018 17:48:03 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 7279A5E01; Wed, 8 Aug 2018 17:48:03 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w78Hm3oJ008267; Wed, 8 Aug 2018 17:48:03 GMT (envelope-from bdrewery@FreeBSD.org) Received: (from bdrewery@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w78Hm3w7008266; Wed, 8 Aug 2018 17:48:03 GMT (envelope-from bdrewery@FreeBSD.org) Message-Id: <201808081748.w78Hm3w7008266@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: bdrewery set sender to bdrewery@FreeBSD.org using -f From: Bryan Drewery Date: Wed, 8 Aug 2018 17:48:03 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r337470 - stable/11/sys/kern X-SVN-Group: stable-11 X-SVN-Commit-Author: bdrewery X-SVN-Commit-Paths: stable/11/sys/kern X-SVN-Commit-Revision: 337470 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Aug 2018 17:48:04 -0000 Author: bdrewery Date: Wed Aug 8 17:48:02 2018 New Revision: 337470 URL: https://svnweb.freebsd.org/changeset/base/337470 Log: MFC r335183: proc0_post: Fix some locking issues Modified: stable/11/sys/kern/init_main.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/init_main.c ============================================================================== --- stable/11/sys/kern/init_main.c Wed Aug 8 17:32:02 2018 (r337469) +++ stable/11/sys/kern/init_main.c Wed Aug 8 17:48:02 2018 (r337470) @@ -632,17 +632,23 @@ proc0_post(void *dummy __unused) */ sx_slock(&allproc_lock); FOREACH_PROC_IN_SYSTEM(p) { + PROC_LOCK(p); + if (p->p_state == PRS_NEW) { + PROC_UNLOCK(p); + continue; + } microuptime(&p->p_stats->p_start); PROC_STATLOCK(p); rufetch(p, &ru); /* Clears thread stats */ - PROC_STATUNLOCK(p); p->p_rux.rux_runtime = 0; p->p_rux.rux_uticks = 0; p->p_rux.rux_sticks = 0; p->p_rux.rux_iticks = 0; + PROC_STATUNLOCK(p); FOREACH_THREAD_IN_PROC(p, td) { td->td_runtime = 0; } + PROC_UNLOCK(p); } sx_sunlock(&allproc_lock); PCPU_SET(switchtime, cpu_ticks());