---

yaml --- r: 200585 b: refs/heads/master c: a4384df h: refs/heads/master i: 200583: 7b66990 v: v3
git-mirror · Jun 9, 2010 · ff32f94 · ff32f94
1 parent c757f44
commit ff32f94
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Showing 6 changed files with 15 additions and 15 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fc4ac7a5f5996712d9123ae4850948c640edb315
+refs/heads/master: a4384df3e24579d6292a1b3b41d500349948f30b
diff --git a/trunk/arch/x86/include/asm/io_apic.h b/trunk/arch/x86/include/asm/io_apic.h
@@ -183,7 +183,7 @@ struct mp_ioapic_gsi{
 	u32 gsi_end;
 };
 extern struct mp_ioapic_gsi  mp_gsi_routing[];
-extern u32 gsi_end;
+extern u32 gsi_top;
 int mp_find_ioapic(u32 gsi);
 int mp_find_ioapic_pin(int ioapic, u32 gsi);
 void __init mp_register_ioapic(int id, u32 address, u32 gsi_base);
@@ -197,7 +197,7 @@ static const int timer_through_8259 = 0;
 static inline void ioapic_init_mappings(void)	{ }
 static inline void ioapic_insert_resources(void) { }
 static inline void probe_nr_irqs_gsi(void)	{ }
-#define gsi_end (NR_IRQS_LEGACY - 1)
+#define gsi_top (NR_IRQS_LEGACY)
 static inline int mp_find_ioapic(u32 gsi) { return 0; }
 
 struct io_apic_irq_attr;

diff --git a/trunk/arch/x86/kernel/acpi/boot.c b/trunk/arch/x86/kernel/acpi/boot.c
@@ -118,7 +118,7 @@ static unsigned int gsi_to_irq(unsigned int gsi)
 	if (gsi >= NR_IRQS_LEGACY)
 		irq = gsi;
 	else
-		irq = gsi_end + 1 + gsi;
+		irq = gsi_top + gsi;
 
 	return irq;
 }
@@ -129,10 +129,10 @@ static u32 irq_to_gsi(int irq)
 
 	if (irq < NR_IRQS_LEGACY)
 		gsi = isa_irq_to_gsi[irq];
-	else if (irq <= gsi_end)
+	else if (irq < gsi_top)
 		gsi = irq;
-	else if (irq <= (gsi_end + NR_IRQS_LEGACY))
-		gsi = irq - gsi_end;
+	else if (irq < (gsi_top + NR_IRQS_LEGACY))
+		gsi = irq - gsi_top;
 	else
 		gsi = 0xffffffff;
 

diff --git a/trunk/arch/x86/kernel/apic/io_apic.c b/trunk/arch/x86/kernel/apic/io_apic.c
@@ -89,8 +89,8 @@ int nr_ioapics;
 /* IO APIC gsi routing info */
 struct mp_ioapic_gsi  mp_gsi_routing[MAX_IO_APICS];
 
-/* The last gsi number used */
-u32 gsi_end;
+/* The one past the highest gsi number used */
+u32 gsi_top;
 
 /* MP IRQ source entries */
 struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
@@ -1035,7 +1035,7 @@ static int pin_2_irq(int idx, int apic, int pin)
 		if (gsi >= NR_IRQS_LEGACY)
 			irq = gsi;
 		else
-			irq = gsi_end + 1 + gsi;
+			irq = gsi_top + gsi;
 	}
 
 #ifdef CONFIG_X86_32
@@ -3853,7 +3853,7 @@ void __init probe_nr_irqs_gsi(void)
 {
 	int nr;
 
-	nr = gsi_end + 1 + NR_IRQS_LEGACY;
+	nr = gsi_top + NR_IRQS_LEGACY;
 	if (nr > nr_irqs_gsi)
 		nr_irqs_gsi = nr;
 
@@ -4294,8 +4294,8 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
 	 */
 	nr_ioapic_registers[idx] = entries;
 
-	if (mp_gsi_routing[idx].gsi_end > gsi_end)
-		gsi_end = mp_gsi_routing[idx].gsi_end;
+	if (mp_gsi_routing[idx].gsi_end >= gsi_top)
+		gsi_top = mp_gsi_routing[idx].gsi_end + 1;
 
 	printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
 	       "GSI %d-%d\n", idx, mp_ioapics[idx].apicid,

diff --git a/trunk/arch/x86/kernel/mpparse.c b/trunk/arch/x86/kernel/mpparse.c
@@ -123,7 +123,7 @@ static void __init MP_ioapic_info(struct mpc_ioapic *m)
 	printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n",
 	       m->apicid, m->apicver, m->apicaddr);
 
-	mp_register_ioapic(m->apicid, m->apicaddr, gsi_end + 1);
+	mp_register_ioapic(m->apicid, m->apicaddr, gsi_top);
 }
 
 static void print_MP_intsrc_info(struct mpc_intsrc *m)

diff --git a/trunk/arch/x86/kernel/sfi.c b/trunk/arch/x86/kernel/sfi.c
@@ -93,7 +93,7 @@ static int __init sfi_parse_ioapic(struct sfi_table_header *table)
 	pentry = (struct sfi_apic_table_entry *)sb->pentry;
 
 	for (i = 0; i < num; i++) {
-		mp_register_ioapic(i, pentry->phys_addr, gsi_end + 1);
+		mp_register_ioapic(i, pentry->phys_addr, gsi_top);
 		pentry++;
 	}