linux-kernel - Re: [RFC PATCH v1 65/70] oprofile, timer_int:

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Date:	Mon, 28 Jul 2014 15:35:45 +0200
From:	Robert Richter <rric@...nel.org>
To:	"Chen, Gong" <gong.chen@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org, tglx@...utronix.de,
	paulus@...ba.org, benh@...nel.crashing.org, tony.luck@...el.com,
	hpa@...or.com, jkosina@...e.cz, rafael.j.wysocki@...el.com,
	bp@...en8.de, linux@....linux.org.uk, ralf@...ux-mips.org,
	schwidefsky@...ibm.com, davem@...emloft.net,
	viro@...iv.linux.org.uk, fweisbec@...il.com, cl@...ux.com,
	akpm@...ux-foundation.org, axboe@...nel.dk,
	JBottomley@...allels.com, neilb@...e.de,
	christoffer.dall@...aro.org, rostedt@...dmis.org,
	gregkh@...uxfoundation.org, mhocko@...e.cz, david@...morbit.com
Subject: Re: [RFC PATCH v1 65/70] oprofile, timer_int: _FROZEN Cleanup

On 22.07.14 21:59:41, Chen, Gong wrote:
> Remove XXX_FROZEN state from oprofile/timer_int.
> 
> Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>

Acked-by: Robert Richter <rric@...nel.org>

> ---
>  drivers/oprofile/timer_int.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
> index 61be1d9..ab5a0a9 100644
> --- a/drivers/oprofile/timer_int.c
> +++ b/drivers/oprofile/timer_int.c
> @@ -79,14 +79,12 @@ static int oprofile_cpu_notify(struct notifier_block *self,
>  {
>  	long cpu = (long) hcpu;
>  
> -	switch (action) {
> +	switch (action & ~CPU_TASKS_FROZEN) {
>  	case CPU_ONLINE:
> -	case CPU_ONLINE_FROZEN:
>  		smp_call_function_single(cpu, __oprofile_hrtimer_start,
>  					 NULL, 1);
>  		break;
>  	case CPU_DEAD:
> -	case CPU_DEAD_FROZEN:
>  		__oprofile_hrtimer_stop(cpu);
>  		break;
>  	}
> -- 
> 2.0.0.rc2
> 
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