Return-path: Received: from mail-pf0-f175.google.com ([209.85.192.175]:50141 "EHLO mail-pf0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751396AbdJDX2C (ORCPT ); Wed, 4 Oct 2017 19:28:02 -0400 Received: by mail-pf0-f175.google.com with SMTP id l188so7035877pfc.6 for ; Wed, 04 Oct 2017 16:28:01 -0700 (PDT) From: Kees Cook To: Thomas Gleixner Cc: Kees Cook , Martin Schwidefsky , Heiko Carstens , Tejun Heo , Lai Jiangshan , linux-s390@vger.kernel.org, Andrew Morton , Arnd Bergmann , Benjamin Herrenschmidt , Chris Metcalf , Geert Uytterhoeven , Greg Kroah-Hartman , Guenter Roeck , Harish Patil , "James E.J. Bottomley" , John Stultz , Julian Wiedmann , Kalle Valo , Len Brown , Manish Chopra , Mark Gross , "Martin K. Petersen" , Michael Ellerman , Michael Reed , netdev@vger.kernel.org, Oleg Nesterov , Paul Mackerras , Pavel Machek , Petr Mladek , "Rafael J. Wysocki" , Ralf Baechle , Sebastian Reichel , Stefan Richter , Stephen Boyd , Sudip Mukherjee , Ursula Braun , Viresh Kumar , Wim Van Sebroeck , linux1394-devel@lists.sourceforge.net, linux-mips@linux-mips.org, linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-scsi@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 06/13] timer: Remove users of TIMER_DEFERRED_INITIALIZER Date: Wed, 4 Oct 2017 16:27:00 -0700 Message-Id: <1507159627-127660-7-git-send-email-keescook@chromium.org> (sfid-20171005_012840_919032_2C0D2974) In-Reply-To: <1507159627-127660-1-git-send-email-keescook@chromium.org> References: <1507159627-127660-1-git-send-email-keescook@chromium.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: This removes uses of TIMER_DEFERRED_INITIALIZER and chooses a location to call timer_setup() from before add_timer() or mod_timer() is called. Adjusts callbacks to use from_timer() as needed. Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: Tejun Heo Cc: Lai Jiangshan Cc: linux-s390@vger.kernel.org Signed-off-by: Kees Cook --- arch/s390/kernel/lgr.c | 6 +++--- arch/s390/kernel/topology.c | 6 +++--- kernel/workqueue.c | 8 +++----- 3 files changed, 9 insertions(+), 11 deletions(-) diff --git a/arch/s390/kernel/lgr.c b/arch/s390/kernel/lgr.c index ae7dff110054..bf9622f0e6b1 100644 --- a/arch/s390/kernel/lgr.c +++ b/arch/s390/kernel/lgr.c @@ -153,14 +153,13 @@ static void lgr_timer_set(void); /* * LGR timer callback */ -static void lgr_timer_fn(unsigned long ignored) +static void lgr_timer_fn(struct timer_list *unused) { lgr_info_log(); lgr_timer_set(); } -static struct timer_list lgr_timer = - TIMER_DEFERRED_INITIALIZER(lgr_timer_fn, 0, 0); +static struct timer_list lgr_timer; /* * Setup next LGR timer @@ -181,6 +180,7 @@ static int __init lgr_init(void) debug_register_view(lgr_dbf, &debug_hex_ascii_view); lgr_info_get(&lgr_info_last); debug_event(lgr_dbf, 1, &lgr_info_last, sizeof(lgr_info_last)); + timer_setup(&lgr_timer, lgr_timer_fn, TIMER_DEFERRABLE); lgr_timer_set(); return 0; } diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index ed0bdd220e1a..d7ece9888c29 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -320,15 +320,14 @@ static void topology_flush_work(void) flush_work(&topology_work); } -static void topology_timer_fn(unsigned long ignored) +static void topology_timer_fn(struct timer_list *unused) { if (ptf(PTF_CHECK)) topology_schedule_update(); set_topology_timer(); } -static struct timer_list topology_timer = - TIMER_DEFERRED_INITIALIZER(topology_timer_fn, 0, 0); +static struct timer_list topology_timer; static atomic_t topology_poll = ATOMIC_INIT(0); @@ -597,6 +596,7 @@ static struct ctl_table topology_dir_table[] = { static int __init topology_init(void) { + timer_setup(&topology_timer, topology_timer_fn, TIMER_DEFERRABLE); if (MACHINE_HAS_TOPOLOGY) set_topology_timer(); else diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 64d0edf428f8..a5361fc6215d 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -5390,11 +5390,8 @@ static void workqueue_sysfs_unregister(struct workqueue_struct *wq) { } */ #ifdef CONFIG_WQ_WATCHDOG -static void wq_watchdog_timer_fn(unsigned long data); - static unsigned long wq_watchdog_thresh = 30; -static struct timer_list wq_watchdog_timer = - TIMER_DEFERRED_INITIALIZER(wq_watchdog_timer_fn, 0, 0); +static struct timer_list wq_watchdog_timer; static unsigned long wq_watchdog_touched = INITIAL_JIFFIES; static DEFINE_PER_CPU(unsigned long, wq_watchdog_touched_cpu) = INITIAL_JIFFIES; @@ -5408,7 +5405,7 @@ static void wq_watchdog_reset_touched(void) per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies; } -static void wq_watchdog_timer_fn(unsigned long data) +static void wq_watchdog_timer_fn(struct timer_list *unused) { unsigned long thresh = READ_ONCE(wq_watchdog_thresh) * HZ; bool lockup_detected = false; @@ -5510,6 +5507,7 @@ module_param_cb(watchdog_thresh, &wq_watchdog_thresh_ops, &wq_watchdog_thresh, static void wq_watchdog_init(void) { + timer_setup(&wq_watchdog_timer, wq_watchdog_timer_fn, TIMER_DEFERRABLE); wq_watchdog_set_thresh(wq_watchdog_thresh); } -- 2.7.4