linux-kernel - Re: [PATCH] rcu: RCU-based detection of stalled CPUs for Classic RCU, fix

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Date:	Fri, 3 Oct 2008 08:14:31 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, mathieu.desnoyers@...ymtl.ca,
	akpm@...ux-foundation.org, laijs@...fujitsu.com,
	manfred@...orfullife.com, dipankar@...ibm.com, niv@...ibm.com,
	dvhltc@...ibm.com, josht@...ux.vnet.ibm.com,
	ltt-dev@...ts.casi.polymtl.ca
Subject: Re: [PATCH] rcu: RCU-based detection of stalled CPUs for Classic
	RCU, fix

On Fri, Oct 03, 2008 at 10:42:33AM +0200, Ingo Molnar wrote:
> 
> -tip testing found a minor build bug - find the fix below.
> 
> 	Ingo
> 
> -------------------->
> >From 2ec2b482b10a1ed3493c224f1893cddd3d33833b Mon Sep 17 00:00:00 2001
> From: Ingo Molnar <mingo@...e.hu>
> Date: Fri, 3 Oct 2008 10:41:00 +0200
> Subject: [PATCH] rcu: RCU-based detection of stalled CPUs for Classic RCU, fix
> 
> fix the !CONFIG_RCU_CPU_STALL_DETECTOR path:
> 
>  kernel/rcuclassic.c: In function '__rcu_pending':
>  kernel/rcuclassic.c:609: error: too few arguments to function 'check_cpu_stall'
> 
> Signed-off-by: Ingo Molnar <mingo@...e.hu>
> ---
>  kernel/rcuclassic.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c
> index 0d07e6e..37f72e5 100644
> --- a/kernel/rcuclassic.c
> +++ b/kernel/rcuclassic.c
> @@ -239,7 +239,7 @@ static void record_gp_stall_check_time(struct rcu_ctrlblk *rcp)
>  {
>  }
> 
> -static void check_cpu_stall(struct rcu_ctrlblk *rcp, struct rcu_data *rdp)
> +static inline void check_cpu_stall(struct rcu_ctrlblk *rcp)
>  {
>  }

I should have learned by now to test with all relevant config parameter
combinations...  My apologies for the hassle!!!

							Thanx, Paul
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