From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967079AbdEWI5p (ORCPT ); Tue, 23 May 2017 04:57:45 -0400 Received: from terminus.zytor.com ([65.50.211.136]:55105 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967098AbdEWI5h (ORCPT ); Tue, 23 May 2017 04:57:37 -0400 Date: Tue, 23 May 2017 01:53:59 -0700 From: tip-bot for Thomas Gleixner Message-ID: Cc: tglx@linutronix.de, gregkh@linuxfoundation.org, arjan@linux.intel.com, mingo@kernel.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, rostedt@goodmis.org, torvalds@linux-foundation.org, hpa@zytor.com, peterz@infradead.org Reply-To: gregkh@linuxfoundation.org, arjan@linux.intel.com, tglx@linutronix.de, peterz@infradead.org, mingo@kernel.org, mark.rutland@arm.com, linux-kernel@vger.kernel.org, rostedt@goodmis.org, hpa@zytor.com, torvalds@linux-foundation.org In-Reply-To: <20170516184735.865155020@linutronix.de> References: <20170516184735.865155020@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] async: Adjust system_state checks Git-Commit-ID: b4def42724594cd399cfee365221f5b38639711d X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: b4def42724594cd399cfee365221f5b38639711d Gitweb: http://git.kernel.org/tip/b4def42724594cd399cfee365221f5b38639711d Author: Thomas Gleixner AuthorDate: Tue, 16 May 2017 20:42:43 +0200 Committer: Ingo Molnar CommitDate: Tue, 23 May 2017 10:01:37 +0200 async: Adjust system_state checks To enable smp_processor_id() and might_sleep() debug checks earlier, it's required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING. Adjust the system_state check in async_run_entry_fn() and async_synchronize_cookie_domain() to handle the extra states. Tested-by: Mark Rutland Signed-off-by: Thomas Gleixner Signed-off-by: Peter Zijlstra (Intel) Acked-by: Arjan van de Ven Cc: Greg Kroah-Hartman Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Steven Rostedt Link: http://lkml.kernel.org/r/20170516184735.865155020@linutronix.de Signed-off-by: Ingo Molnar --- kernel/async.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/async.c b/kernel/async.c index d2edd6e..2cbd3dd 100644 --- a/kernel/async.c +++ b/kernel/async.c @@ -114,14 +114,14 @@ static void async_run_entry_fn(struct work_struct *work) ktime_t uninitialized_var(calltime), delta, rettime; /* 1) run (and print duration) */ - if (initcall_debug && system_state == SYSTEM_BOOTING) { + if (initcall_debug && system_state < SYSTEM_RUNNING) { pr_debug("calling %lli_%pF @ %i\n", (long long)entry->cookie, entry->func, task_pid_nr(current)); calltime = ktime_get(); } entry->func(entry->data, entry->cookie); - if (initcall_debug && system_state == SYSTEM_BOOTING) { + if (initcall_debug && system_state < SYSTEM_RUNNING) { rettime = ktime_get(); delta = ktime_sub(rettime, calltime); pr_debug("initcall %lli_%pF returned 0 after %lld usecs\n", @@ -284,14 +284,14 @@ void async_synchronize_cookie_domain(async_cookie_t cookie, struct async_domain { ktime_t uninitialized_var(starttime), delta, endtime; - if (initcall_debug && system_state == SYSTEM_BOOTING) { + if (initcall_debug && system_state < SYSTEM_RUNNING) { pr_debug("async_waiting @ %i\n", task_pid_nr(current)); starttime = ktime_get(); } wait_event(async_done, lowest_in_progress(domain) >= cookie); - if (initcall_debug && system_state == SYSTEM_BOOTING) { + if (initcall_debug && system_state < SYSTEM_RUNNING) { endtime = ktime_get(); delta = ktime_sub(endtime, starttime);