From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
To: Chen Gang <gang.chen@asianux.com>
Cc: chenhui.zhao@freescale.com, "paulus@samba.org" <paulus@samba.org>,
Thomas Gleixner <tglx@linutronix.de>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH v2] powerpc: kernel: remove useless code which related with 'max_cpus'
Date: Mon, 22 Jul 2013 12:21:16 +0530 [thread overview]
Message-ID: <51ECD664.7040708@linux.vnet.ibm.com> (raw)
In-Reply-To: <51ECD3D4.9020405@asianux.com>
On 07/22/2013 12:10 PM, Chen Gang wrote:
> Since not need 'max_cpus' after the related commit, the related code
> are useless too, need be removed.
>
> The related commit:
>
> c1aa687 powerpc: Clean up obsolete code relating to decrementer and timebase
>
> The related warning:
>
> arch/powerpc/kernel/smp.c:323:43: warning: parameter ‘max_cpus’ set but not used [-Wunused-but-set-parameter]
>
> Signed-off-by: Chen Gang <gang.chen@asianux.com>
This version looks good.
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Regards,
Srivatsa S. Bhat
> ---
> arch/powerpc/kernel/smp.c | 9 ++-------
> 1 files changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
> index 38b0ba6..7edbd5b 100644
> --- a/arch/powerpc/kernel/smp.c
> +++ b/arch/powerpc/kernel/smp.c
> @@ -346,13 +346,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
> cpumask_set_cpu(boot_cpuid, cpu_sibling_mask(boot_cpuid));
> cpumask_set_cpu(boot_cpuid, cpu_core_mask(boot_cpuid));
>
> - if (smp_ops)
> - if (smp_ops->probe)
> - max_cpus = smp_ops->probe();
> - else
> - max_cpus = NR_CPUS;
> - else
> - max_cpus = 1;
> + if (smp_ops && smp_ops->probe)
> + smp_ops->probe();
> }
>
> void smp_prepare_boot_cpu(void)
>
next prev parent reply other threads:[~2013-07-22 6:54 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-22 5:58 [PATCH] powerpc: kernel: remove useless code which related with 'max_cpus' Chen Gang
2013-07-22 6:18 ` Srivatsa S. Bhat
2013-07-22 6:27 ` Chen Gang
2013-07-22 6:40 ` [PATCH v2] " Chen Gang
2013-07-22 6:51 ` Srivatsa S. Bhat [this message]
2013-07-22 7:03 ` Chen Gang
2013-07-23 13:44 ` Michael Ellerman
2013-07-24 0:28 ` Chen Gang
2013-07-24 1:16 ` Michael Ellerman
2013-07-24 2:09 ` Chen Gang
2013-07-25 3:15 ` Michael Ellerman
2013-07-25 4:02 ` Chen Gang
2013-07-25 5:16 ` Benjamin Herrenschmidt
2013-07-25 5:24 ` Chen Gang
2013-07-25 5:51 ` Benjamin Herrenschmidt
2013-07-25 6:03 ` Benjamin Herrenschmidt
2013-07-25 6:30 ` Chen Gang
2013-07-25 6:17 ` Chen Gang
2013-07-25 7:33 ` Benjamin Herrenschmidt
2013-07-25 7:59 ` Chen Gang
2013-07-25 8:06 ` Benjamin Herrenschmidt
2013-07-25 8:22 ` Chen Gang
2013-07-25 8:28 ` Benjamin Herrenschmidt
2013-07-25 8:36 ` Chen Gang
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