Always ask the hardware to obtain hardware processor id - ia64
authorFernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Wed, 9 May 2007 09:33:28 +0000 (02:33 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Wed, 9 May 2007 19:30:49 +0000 (12:30 -0700)
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>
include/asm-ia64/smp.h

index 62014b643ecd2df5164e8617cadf25f606db821f..c60024989ebd59b70bd090d01cc0ada6a95ad9d4 100644 (file)
@@ -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()