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From: Thomas Gleixner <tglx@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	x86@kernel.org, Oleg Nesterov <oleg@redhat.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Frederic Weisbecker <frederic@kernel.org>,
	John Stultz <john.stultz@linaro.org>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [patch V2 3/5] posix-cpu-timers: Provide mechanisms to defer timer handling to task_work
Date: Fri, 17 Jul 2020 20:38:10 +0200	[thread overview]
Message-ID: <87tuy6q965.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20200716225458.GL5523@worktop.programming.kicks-ass.net>

Peter Zijlstra <peterz@infradead.org> writes:
> On Thu, Jul 16, 2020 at 10:19:26PM +0200, Thomas Gleixner wrote:
>> +static void __run_posix_cpu_timers(struct task_struct *tsk)
>> +{
>> +	struct posix_cputimers *pct = &tsk->posix_cputimers;
>> +
>> +	if (!test_and_set_bit(CPUTIMERS_WORK_SCHEDULED, &pct->flags))
>> +		task_work_add(tsk, &pct->task_work, true);
>
> s/true/TWA_RESUME/g
>
> see: e91b48162332 ("task_work: teach task_work_add() to do signal_wake_up()")

Duh, yes.

  reply	other threads:[~2020-07-17 18:38 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-16 20:19 [patch V2 0/5] posix-cpu-timers: Move expiry into task work context Thomas Gleixner
2020-07-16 20:19 ` [patch V2 1/5] posix-cpu-timers: Split run_posix_cpu_timers() Thomas Gleixner
2020-07-16 20:19 ` [patch V2 2/5] posix-cpu-timers: Convert the flags to a bitmap Thomas Gleixner
2020-07-21 12:34   ` Frederic Weisbecker
2020-07-21 16:10     ` Thomas Gleixner
2020-07-21 16:23       ` David Laight
2020-07-21 18:30         ` Thomas Gleixner
2020-07-16 20:19 ` [patch V2 3/5] posix-cpu-timers: Provide mechanisms to defer timer handling to task_work Thomas Gleixner
2020-07-16 22:50   ` Peter Zijlstra
2020-07-17 18:37     ` Thomas Gleixner
2020-07-23  1:03     ` Frederic Weisbecker
2020-07-23  8:32       ` Thomas Gleixner
2020-07-23 12:15         ` Frederic Weisbecker
2020-07-16 22:54   ` Peter Zijlstra
2020-07-17 18:38     ` Thomas Gleixner [this message]
2020-07-19 19:33       ` Thomas Gleixner
2020-07-21 18:50         ` Thomas Gleixner
2020-07-17 17:26   ` Oleg Nesterov
2020-07-17 18:35     ` Thomas Gleixner
2020-07-16 20:19 ` [patch V2 4/5] posix-cpu-timers: Expiry timers directly when in task work context Thomas Gleixner
2020-07-16 20:19 ` [patch V2 5/5] x86: Select POSIX_CPU_TIMERS_TASK_WORK Thomas Gleixner

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