[PATCH] arm: Fix build error with context tracking calls

Russell King - ARM Linux linux at arm.linux.org.uk
Sat Sep 14 10:32:13 EDT 2013


On Fri, Sep 13, 2013 at 07:03:34PM +0200, Frederic Weisbecker wrote:
> diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
> index 247091b..859c8df 100644
> --- a/kernel/context_tracking.c
> +++ b/kernel/context_tracking.c
> @@ -51,6 +51,15 @@ void context_tracking_user_enter(void)
>  	unsigned long flags;
>  
>  	/*
> +	 * Repeat the user_enter() check here because some archs may be calling
> +	 * this from asm and if no CPU needs context tracking, they shouldn't
> +	 * go further. We can remove that check here once these archs support the static key
> +	 * check.

The only (minor) comment on this is that the above would fail checkpatch,
but that's not a good enough reason to respin it if you've already applied
it IMHO.



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