From owner-svn-src-all@freebsd.org Wed Sep 28 09:46:30 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 77FB6BE8280; Wed, 28 Sep 2016 09:46:30 +0000 (UTC) (envelope-from kib@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 mx1.freebsd.org (Postfix) with ESMTPS id 450031509; Wed, 28 Sep 2016 09:46:30 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u8S9kT37081045; Wed, 28 Sep 2016 09:46:29 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u8S9kTHh081043; Wed, 28 Sep 2016 09:46:29 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201609280946.u8S9kTHh081043@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Wed, 28 Sep 2016 09:46:29 +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: r306403 - in stable/11/sys: kern sys X-SVN-Group: stable-11 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: 2.1.23 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: Wed, 28 Sep 2016 09:46:30 -0000 Author: kib Date: Wed Sep 28 09:46:29 2016 New Revision: 306403 URL: https://svnweb.freebsd.org/changeset/base/306403 Log: MFC r306089: Make resettodr_lock accessible outside subr_rtc.c. Protect CLOCK_GETTIME() with the lock. Modified: stable/11/sys/kern/subr_rtc.c stable/11/sys/sys/clock.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/subr_rtc.c ============================================================================== --- stable/11/sys/kern/subr_rtc.c Wed Sep 28 09:43:23 2016 (r306402) +++ stable/11/sys/kern/subr_rtc.c Wed Sep 28 09:46:29 2016 (r306403) @@ -75,7 +75,7 @@ __FBSDID("$FreeBSD$"); static device_t clock_dev = NULL; static long clock_res; static struct timespec clock_adj; -static struct mtx resettodr_lock; +struct mtx resettodr_lock; MTX_SYSINIT(resettodr_init, &resettodr_lock, "tod2rl", MTX_DEF); /* XXX: should be kern. now, it's no longer machdep. */ @@ -132,7 +132,9 @@ inittodr(time_t base) goto wrong_time; } /* XXX: We should poll all registered RTCs in case of failure */ + mtx_lock(&resettodr_lock); error = CLOCK_GETTIME(clock_dev, &ts); + mtx_unlock(&resettodr_lock); if (error != 0 && error != EINVAL) { printf("warning: clock_gettime failed (%d), the system time " "will not be set accurately\n", error); Modified: stable/11/sys/sys/clock.h ============================================================================== --- stable/11/sys/sys/clock.h Wed Sep 28 09:43:23 2016 (r306402) +++ stable/11/sys/sys/clock.h Wed Sep 28 09:46:29 2016 (r306403) @@ -54,6 +54,7 @@ */ extern int tz_minuteswest; extern int tz_dsttime; +extern struct mtx resettodr_lock; int utc_offset(void);