linux-kernel - [PATCH] x86: remove first_free_entry/pin_map

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Date:	Sat, 16 Aug 2008 23:31:50 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com>
Subject: [PATCH] x86: remove first_free_entry/pin_map_size

no user now

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>

---
 arch/x86/kernel/io_apic.c |    7 -------
 arch/x86/kernel/setup.c   |    4 ----
 include/asm-x86/irq.h     |    3 ---
 3 files changed, 14 deletions(-)

Index: linux-2.6/arch/x86/kernel/io_apic.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/io_apic.c
+++ linux-2.6/arch/x86/kernel/io_apic.c
@@ -72,13 +72,6 @@ int sis_apic_bug = -1;
 static DEFINE_SPINLOCK(ioapic_lock);
 static DEFINE_SPINLOCK(vector_lock);
 
-int first_free_entry;
-/*
- * Rough estimation of how many shared IRQs there are, can
- * be changed anytime.
- */
-int pin_map_size;
-
 /*
  * # of IRQ routing registers
  */
Index: linux-2.6/arch/x86/kernel/setup.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup.c
+++ linux-2.6/arch/x86/kernel/setup.c
@@ -878,10 +878,6 @@ void __init setup_arch(char **cmdline_p)
 		nr_irqs = 32 * nr_cpu_ids + 224;
 	init_cpu_to_node();
 #endif
-#ifdef CONFIG_X86_IO_APIC
-	pin_map_size = nr_irqs * 2;
-	first_free_entry = nr_irqs;
-#endif
 
 	init_apic_mappings();
 	ioapic_init_mappings();
Index: linux-2.6/include/asm-x86/irq.h
===================================================================
--- linux-2.6.orig/include/asm-x86/irq.h
+++ linux-2.6/include/asm-x86/irq.h
@@ -10,9 +10,6 @@
 #include <asm/apicdef.h>
 #include <asm/irq_vectors.h>
 
-extern int pin_map_size;
-extern int first_free_entry;
-
 static inline int irq_canonicalize(int irq)
 {
 	return ((irq == 2) ? 9 : irq);
--
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