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[IA64] multi-core/multi-thread identification

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Version 3 - rediffed to apply on top of Ashok's hotplug cpu
patch.  /proc/cpuinfo output in step with x86.

This is an updated MC/MT identification patch based on the 
previous discussions on list. 

Add the Multi-core and Multi-threading detection for IPF.
  - Add new core and threading related fields in /proc/cpuinfo.
		Physical id
		Core id
		Thread id
		Siblings
  - setup the cpu_core_map and cpu_sibling_map appropriately
  - Handles Hot plug CPU
 
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Gordon Jin <gordon.jin@intel.com>
Signed-off-by: Rohit Seth <rohit.seth@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Suresh Siddha
2005-04-25 13:25:06 -07:00
committed by Tony Luck
parent 6118ec847e
commit e927ecb05e
6 changed files with 365 additions and 2 deletions
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7
include/asm-ia64/processor.h
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@ -148,6 +148,13 @@ struct cpuinfo_ia64 {
#ifdef CONFIG_SMP
__u64 loops_per_jiffy;
int cpu;
__u32 socket_id; /* physical processor socket id */
__u16 core_id; /* core id */
__u16 thread_id; /* thread id */
__u16 num_log; /* Total number of logical processors on
* this socket that were successfully booted */
__u8 cores_per_socket; /* Cores per processor socket */
__u8 threads_per_core; /* Threads per core */
#endif
/* CPUID-derived information: */