From: Paul Gortmaker <paul.gortmaker@windriver.com>
To: <paulmck@linux.vnet.ibm.com>
Cc: mikey@neuling.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, paulus@samba.org, anton@samba.org,
ben@decadent.org.uk
Subject: Re: [PATCH] powerpc: Define cpus_in_crash only for SMP kernels
Date: Wed, 1 Feb 2012 15:28:34 -0500 [thread overview]
Message-ID: <4F29A072.9050203@windriver.com> (raw)
In-Reply-To: <20120201185510.GA8542@linux.vnet.ibm.com>
On 12-02-01 01:55 PM, Paul E. McKenney wrote:
> The variable cpus_in_crash gets a defined-but-not-used warning when
> CONFIG_SMP=n, so fix by placing the variable under ifdef.
I think Ben already merged a similar fix.
http://patchwork.ozlabs.org/patch/136549/
P.
>
> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
>
> diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
> index 28be345..eb3384e 100644
> --- a/arch/powerpc/kernel/crash.c
> +++ b/arch/powerpc/kernel/crash.c
> @@ -46,7 +46,9 @@
>
> /* This keeps a track of which one is the crashing cpu. */
> int crashing_cpu = -1;
> +#ifdef CONFIG_SMP
> static atomic_t cpus_in_crash;
> +#endif /* #ifdef CONFIG_SMP */
> static int time_to_dump;
>
> #define CRASH_HANDLER_MAX 3
>
next prev parent reply other threads:[~2012-02-01 20:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-01 18:55 [PATCH] powerpc: Define cpus_in_crash only for SMP kernels Paul E. McKenney
2012-02-01 20:28 ` Paul Gortmaker [this message]
2012-02-01 23:15 ` Paul E. McKenney
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