lkml.org 
[lkml]   [2007]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 4/5] Always ask the hardware to obtain hardware processor id - ia64
From
Date
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()

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-03-01 08:21    [W:0.050 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site