Re: [PATCH 4/6] arm64: topology: Implement basic CPU topology support

On 12/11/2013 09:13 PM, Mark Brown wrote:

diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h new file mode 100644 index 000000000000..611edefaeaf1 --- /dev/null +++ b/arch/arm64/include/asm/topology.h @@ -0,0 +1,42 @@ +#ifndef _ASM_ARM_TOPOLOGY_H +#define _ASM_ARM_TOPOLOGY_H

+#ifdef CONFIG_ARM_CPU_TOPOLOGY

+#include <linux/cpumask.h>

+struct cputopo_arm {

• int thread_id;
• int core_id;
• int socket_id;
• cpumask_t thread_sibling;
• cpumask_t core_sibling;

+};

Forgive me if I am stupid. :)

why we don't need a cluster_id? and does one cpu socket include few clusters?