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* [PATCH 4/5] Always ask the hardware to obtain hardware processor id - ia64
@ 2007-03-01 7:18 Fernando Luis Vázquez Cao
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From: Fernando Luis Vázquez Cao @ 2007-03-01 7:18 UTC (permalink / raw)
To: Linux Kernel Mailing List; +Cc: fastboot, ebiederm, ak, akpm, judith
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>
---
diff -urNp linux-2.6.21-rc2/include/asm-ia64/smp.h linux-2.6.21-rc2-hwcpuid/include/asm-ia64/smp.h
--- linux-2.6.21-rc2/include/asm-ia64/smp.h 2007-02-05 03:44:54.000000000 +0900
+++ linux-2.6.21-rc2-hwcpuid/include/asm-ia64/smp.h 2007-03-07 13:03:48.000000000 +0900
@@ -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);
@@ -128,7 +128,7 @@ extern void unlock_ipi_calllock(void);
extern void identify_siblings (struct cpuinfo_ia64 *);
extern int is_multithreading_enabled(void);
-#else
+#else /* CONFIG_SMP */
#define cpu_logical_id(i) 0
#define cpu_physical_id(i) ia64_get_lid()
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2007-03-01 7:18 [PATCH 4/5] Always ask the hardware to obtain hardware processor id - ia64 Fernando Luis Vázquez Cao
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