linux-kernel - Re: drivers/leds: Replace __get_cpu_var use through this_cpu

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Message-ID: <CAK5ve-+L05fdHzHkL+rcvFk5Y9X5LBnC1kOnFo5FgTop7yysZQ@mail.gmail.com>
Date:	Wed, 7 May 2014 18:57:17 -0700
From:	Bryan Wu <cooloney@...il.com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: drivers/leds: Replace __get_cpu_var use through this_cpu_ptr

On Mon, May 5, 2014 at 9:48 AM, Christoph Lameter <cl@...ux.com> wrote:
> Would you merge this patch please?
>
>

Sure, I merged it to my my tree
Thanks,
-Bryan

> Use this_cpu_ptr for the address calculation instead of __get_cpu_var.
>
> Acked-by: Bryan Wu <cooloney@...il.com>
> Signed-off-by: Christoph Lameter <cl@...ux.com>
>
> Index: linux/drivers/leds/trigger/ledtrig-cpu.c
> ===================================================================
> --- linux.orig/drivers/leds/trigger/ledtrig-cpu.c       2014-04-14 13:24:54.833360823 -0500
> +++ linux/drivers/leds/trigger/ledtrig-cpu.c    2014-04-14 13:24:54.825360977 -0500
> @@ -47,7 +47,7 @@
>   */
>  void ledtrig_cpu(enum cpu_led_event ledevt)
>  {
> -       struct led_trigger_cpu *trig = &__get_cpu_var(cpu_trig);
> +       struct led_trigger_cpu *trig = this_cpu_ptr(&cpu_trig);
>
>         /* Locate the correct CPU LED */
>         switch (ledevt) {
--
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