linux-kernel - [PATCH 2/2] sparc64: Remove unused sparc64_multi

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Message-ID: <20140304210744.16893.75929.stgit@bhelgaas-glaptop.roam.corp.google.com>
Date:	Tue, 04 Mar 2014 14:07:44 -0700
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Cc:	linux-mips@...ux-mips.org, linux-ia64@...r.kernel.org,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	sparclinux@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 2/2] sparc64: Remove unused sparc64_multi_core

Remove sparc64_multi_core because it's not used any more.

It was added by a2f9f6bbb30e ("Fix {mc,smt}_capable()"), and the last uses
were removed by e637d96bf462 ("sched: Remove unused mc_capable() and
smt_capable()").

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 arch/sparc/include/asm/smp_64.h |    1 -
 arch/sparc/kernel/mdesc.c       |    4 ----
 arch/sparc/kernel/prom_64.c     |    3 ---
 arch/sparc/kernel/smp_64.c      |    2 --
 4 files changed, 10 deletions(-)

diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h
index dd3bef4b9896..05710393959f 100644
--- a/arch/sparc/include/asm/smp_64.h
+++ b/arch/sparc/include/asm/smp_64.h
@@ -32,7 +32,6 @@
 
 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
 extern cpumask_t cpu_core_map[NR_CPUS];
-extern int sparc64_multi_core;
 
 extern void arch_send_call_function_single_ipi(int cpu);
 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index b90bf23e3aab..a1a4400d4025 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -896,10 +896,6 @@ void mdesc_fill_in_cpu_data(cpumask_t *mask)
 
 	mdesc_iterate_over_cpus(fill_in_one_cpu, NULL, mask);
 
-#ifdef CONFIG_SMP
-	sparc64_multi_core = 1;
-#endif
-
 	hp = mdesc_grab();
 
 	set_core_ids(hp);
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index 6b39125eb927..9a690d39c01b 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -555,9 +555,6 @@ static void *fill_in_one_cpu(struct device_node *dp, int cpuid, int arg)
 
 		cpu_data(cpuid).core_id = portid + 1;
 		cpu_data(cpuid).proc_id = portid;
-#ifdef CONFIG_SMP
-		sparc64_multi_core = 1;
-#endif
 	} else {
 		cpu_data(cpuid).dcache_size =
 			of_getintprop_default(dp, "dcache-size", 16 * 1024);
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index b085311dcd0e..9781048161ab 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -53,8 +53,6 @@
 
 #include "cpumap.h"
 
-int sparc64_multi_core __read_mostly;
-
 DEFINE_PER_CPU(cpumask_t, cpu_sibling_map) = CPU_MASK_NONE;
 cpumask_t cpu_core_map[NR_CPUS] __read_mostly =
 	{ [0 ... NR_CPUS-1] = CPU_MASK_NONE };

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