linux-kernel - [PATCH] [8/50] x86_64: remove x86_cpu_to_log

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Date:	Sat, 22 Sep 2007 00:32:06 +0200 (CEST)
From:	Andi Kleen <ak@...e.de>
To:	travis@....com, patches@...-64.org, linux-kernel@...r.kernel.org
Subject: [PATCH] [8/50] x86_64: remove x86_cpu_to_log_apicid


From: Mike Travis <travis@....com>

Remove the x86_cpu_to_log_apicid array.  It is set in
arch/x86_64/kernel/genapic_flat.c:flat_init_apic_ldr() and
arch/x86_64/kernel/smpboot.c:do_boot_cpu() but it is never
referenced.

Signed-off-by: Mike Travis <travis@....com>
Signed-off-by: Christoph Lameter <clameter@....com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Andi Kleen <ak@...e.de>

---

 arch/x86_64/kernel/genapic.c      |    2 --
 arch/x86_64/kernel/genapic_flat.c |    1 -
 arch/x86_64/kernel/smpboot.c      |    1 -
 include/asm-x86_64/smp.h          |    1 -
 4 files changed, 5 deletions(-)

Index: linux/arch/x86_64/kernel/genapic.c
===================================================================
--- linux.orig/arch/x86_64/kernel/genapic.c
+++ linux/arch/x86_64/kernel/genapic.c
@@ -29,8 +29,6 @@ u8 x86_cpu_to_apicid[NR_CPUS] __read_mos
 					= { [0 ... NR_CPUS-1] = BAD_APICID };
 EXPORT_SYMBOL(x86_cpu_to_apicid);
 
-u8 x86_cpu_to_log_apicid[NR_CPUS]	= { [0 ... NR_CPUS-1] = BAD_APICID };
-
 struct genapic __read_mostly *genapic = &apic_flat;
 
 /*
Index: linux/arch/x86_64/kernel/genapic_flat.c
===================================================================
--- linux.orig/arch/x86_64/kernel/genapic_flat.c
+++ linux/arch/x86_64/kernel/genapic_flat.c
@@ -52,7 +52,6 @@ static void flat_init_apic_ldr(void)
 
 	num = smp_processor_id();
 	id = 1UL << num;
-	x86_cpu_to_log_apicid[num] = id;
 	apic_write(APIC_DFR, APIC_DFR_FLAT);
 	val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
 	val |= SET_APIC_LOGICAL_ID(id);
Index: linux/arch/x86_64/kernel/smpboot.c
===================================================================
--- linux.orig/arch/x86_64/kernel/smpboot.c
+++ linux/arch/x86_64/kernel/smpboot.c
@@ -702,7 +702,6 @@ do_rest:
 		cpu_clear(cpu, cpu_present_map);
 		cpu_clear(cpu, cpu_possible_map);
 		x86_cpu_to_apicid[cpu] = BAD_APICID;
-		x86_cpu_to_log_apicid[cpu] = BAD_APICID;
 		return -EIO;
 	}
 
Index: linux/include/asm-x86_64/smp.h
===================================================================
--- linux.orig/include/asm-x86_64/smp.h
+++ linux/include/asm-x86_64/smp.h
@@ -78,7 +78,6 @@ static inline int hard_smp_processor_id(
  * the real APIC ID <-> CPU # mapping.
  */
 extern u8 x86_cpu_to_apicid[NR_CPUS];	/* physical ID */
-extern u8 x86_cpu_to_log_apicid[NR_CPUS];
 extern u8 bios_cpu_apicid[];
 
 static inline int cpu_present_to_apicid(int mps_cpu)
-
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