linux-kernel - [patch 1/2] revert: x86: move prefill_possible

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Message-ID: <20080929182756.4e33b06b@redhat.com>
Date:	Mon, 29 Sep 2008 18:27:56 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: [patch 1/2] revert: x86: move prefill_possible_map calling early,
 fix

From: Chuck Ebbert <cebbert@...hat.com>

revert: x86: move prefill_possible_map calling early, fix

revert 4a7017370aa0a94a00ae5b5705e9169cdcae5fb8

This is the wrong fix: prefill_possible_map() needs to be available
even when CONFIG_HOTPLUG_CPU is not set. A followon patch will do that.

Signed-off-by: Chuck Ebbert <cebbert@...hat.com>

---

--- b/include/asm-x86/smp.h
+++ a/include/asm-x86/smp.h
@@ -116,6 +116,8 @@
 extern int __cpu_disable(void);
 extern void __cpu_die(unsigned int cpu);
 
+extern void prefill_possible_map(void);
+
 void smp_store_cpu_info(int id);
 #define cpu_physical_id(cpu)	per_cpu(x86_cpu_to_apicid, cpu)
 
@@ -124,15 +126,11 @@
 {
 	return cpus_weight(cpu_callout_map);
 }
-#endif /* CONFIG_SMP */
-
-#if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_CPU)
-extern void prefill_possible_map(void);
 #else
 static inline void prefill_possible_map(void)
 {
 }
+#endif /* CONFIG_SMP */
-#endif
 
 extern unsigned disabled_cpus __cpuinitdata;
 
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