linux-kernel - Re: [PATCH v2] hrtimer: select housekeeping CPU during migration

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Date: Wed, 14 Feb 2024 10:10:14 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Costa Shulyupin <costa.shul@...hat.com>, linux-kernel@...r.kernel.org
Cc: Costa Shulyupin <costa.shul@...hat.com>, Waiman Long
 <longman@...hat.com>, Frederic Weisbecker <frederic@...nel.org>
Subject: Re: [PATCH v2] hrtimer: select housekeeping CPU during migration

On Tue, Feb 13 2024 at 18:46, Costa Shulyupin wrote:
> @@ -2224,7 +2224,7 @@ static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base,
>  int hrtimers_cpu_dying(unsigned int dying_cpu)
>  {
>  	struct hrtimer_cpu_base *old_base, *new_base;
> -	int i, ncpu = cpumask_first(cpu_active_mask);
> +	int i, ncpu = cpumask_any_and(cpu_active_mask, housekeeping(HK_TYPE_TIMER));

kernel/time/hrtimer.c:2224:56: error: implicit declaration of function ‘housekeeping’ [-Werror=implicit-function-declaration]

Sigh,