From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Petr Mladek To: Sergey Senozhatsky , Steven Rostedt Cc: Peter Zijlstra , Tetsuo Handa , Sergey Senozhatsky , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Petr Mladek Subject: [PATCH v2 2/3] printk: Create helper function to queue deferred console handling Date: Wed, 27 Jun 2018 16:08:16 +0200 Message-Id: <20180627140817.27764-3-pmladek@suse.com> In-Reply-To: <20180627140817.27764-1-pmladek@suse.com> References: <20180627140817.27764-1-pmladek@suse.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: It is just a preparation step. The patch does not change the existing behavior. Signed-off-by: Petr Mladek --- kernel/printk/printk.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index a844c611b17c..5105ad9c5eb8 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2887,16 +2887,20 @@ void wake_up_klogd(void) preempt_enable(); } -int vprintk_deferred(const char *fmt, va_list args) +void defer_console(void) { - int r; - - r = vprintk_emit(0, LOGLEVEL_SCHED, NULL, 0, fmt, args); - preempt_disable(); __this_cpu_or(printk_pending, PRINTK_PENDING_OUTPUT); irq_work_queue(this_cpu_ptr(&wake_up_klogd_work)); preempt_enable(); +} + +int vprintk_deferred(const char *fmt, va_list args) +{ + int r; + + r = vprintk_emit(0, LOGLEVEL_SCHED, NULL, 0, fmt, args); + defer_console(); return r; } -- 2.13.7