[PATCH v3.1-rc9] ARM: populate processor tag in proc-cpuinfo for Uni-processor.

[Russell King - ARM Linux]

On Thu, Oct 13, 2011 at 04:43:10PM +0100, Srinivas KANDAGATLA wrote:
> We recently encountered issue while running cyclesoak on ARM-uniprocessor
> system, What we have noticed it that /proc/cpuinfo does not have
> "processor" tag when its uniprocessor, which looked incorrect.
> All the processors code in kernel do populate this tag for both uni and
> multi processor systems.
> 
> This patch just add processor tag for cpuinfo for ARM uni-processor systems.

I wonder why cyclesoak doesn't use the sysconf(_SC_NPROCESSORS_ONLN)
rather than implementing this functionality itself.

akpm?

>  arch/arm/kernel/setup.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
> index 621acad..4364071 100644
> --- a/arch/arm/kernel/setup.c
> +++ b/arch/arm/kernel/setup.c
> @@ -807,7 +807,7 @@ static const char *hwcap_str[] = {
>  
>  static int c_show(struct seq_file *m, void *v)
>  {
> -	int i;
> +	int i = 0;
>  
>  	seq_printf(m, "Processor\t: %s rev %d (%s)\n",
>  		   cpu_name, read_cpuid_id() & 15, elf_platform);
> @@ -825,6 +825,7 @@ static int c_show(struct seq_file *m, void *v)
>  			   (per_cpu(cpu_data, i).loops_per_jiffy / (5000UL/HZ)) % 100);
>  	}
>  #else /* CONFIG_SMP */
> +	seq_printf(m, "processor\t: %d\n", i);
>  	seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
>  		   loops_per_jiffy / (500000/HZ),
>  		   (loops_per_jiffy / (5000/HZ)) % 100);
> -- 
> 1.6.3.3
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel