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Always ask the hardware to obtain hardware processor id - ia64

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Always ask the hardware to determine the hardware processor id in both UP and
SMP kernels.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fernando Luis Vazquez Cao 2007-05-09 02:33:28 -07:00 committed by Linus Torvalds
parent dd988528f4
commit 818563dcec
1 changed files with 2 additions and 3 deletions
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5
include/asm-ia64/smp.h
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@ -38,6 +38,8 @@ ia64_get_lid (void)
return lid.f.id << 8 | lid.f.eid;
}
#define hard_smp_processor_id() ia64_get_lid()
#ifdef CONFIG_SMP
#define XTP_OFFSET 0x1e0008
@ -110,8 +112,6 @@ max_xtp (void)
writeb(0x0f, ipi_base_addr + XTP_OFFSET); /* Set XTP to max */
}
#define hard_smp_processor_id() ia64_get_lid()
/* Upping and downing of CPUs */
extern int __cpu_disable (void);
extern void __cpu_die (unsigned int cpu);
@ -130,7 +130,6 @@ extern int is_multithreading_enabled(void);
#else /* CONFIG_SMP */
#define hard_smp_processor_id() 0
#define cpu_logical_id(i) 0
#define cpu_physical_id(i) ia64_get_lid()