Jan Beulich
2007-Dec-06 15:45 UTC
[Xen-devel] [PATCH] linux/x86: Reduce delta to native IO-APIC code
.. again making applying other patches easier.
As usual, written and tested against 2.6.24-rc3 and made apply against
2.6.18 without further testing.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Index: head-2007-11-30/arch/i386/kernel/io_apic-xen.c
==================================================================---
head-2007-11-30.orig/arch/i386/kernel/io_apic-xen.c 2007-12-05
12:06:21.000000000 +0100
+++ head-2007-11-30/arch/i386/kernel/io_apic-xen.c 2007-12-05 12:09:28.000000000
+0100
@@ -1542,8 +1542,6 @@ void __init print_IO_APIC(void)
return;
}
-#if 0
-
static void print_APIC_bitfield (int base)
{
unsigned int v;
@@ -1684,11 +1682,6 @@ void /*__init*/ print_PIC(void)
v = inb(0x4d1) << 8 | inb(0x4d0);
printk(KERN_DEBUG "... PIC ELCR: %04x\n", v);
}
-
-#endif /* 0 */
-
-#else
-void __init print_IO_APIC(void) { }
#endif /* !CONFIG_XEN */
static void __init enable_IO_APIC(void)
Index: head-2007-11-30/arch/x86_64/kernel/io_apic-xen.c
==================================================================---
head-2007-11-30.orig/arch/x86_64/kernel/io_apic-xen.c 2007-12-04
14:10:56.000000000 +0100
+++ head-2007-11-30/arch/x86_64/kernel/io_apic-xen.c 2007-12-05
11:58:19.000000000 +0100
@@ -1022,8 +1022,6 @@ void __apicdebuginit print_IO_APIC(void)
return;
}
-#if 0
-
static __apicdebuginit void print_APIC_bitfield (int base)
{
unsigned int v;
@@ -1158,11 +1156,6 @@ void __apicdebuginit print_PIC(void)
v = inb(0x4d1) << 8 | inb(0x4d0);
printk(KERN_DEBUG "... PIC ELCR: %04x\n", v);
}
-
-#endif /* 0 */
-
-#else
-void __init print_IO_APIC(void) { }
#endif /* !CONFIG_XEN */
static void __init enable_IO_APIC(void)
Index: head-2007-11-30/include/asm-i386/mach-xen/asm/hw_irq.h
==================================================================---
head-2007-11-30.orig/include/asm-i386/mach-xen/asm/hw_irq.h 2007-12-04
14:10:56.000000000 +0100
+++ head-2007-11-30/include/asm-i386/mach-xen/asm/hw_irq.h 2007-12-05
11:58:49.000000000 +0100
@@ -49,7 +49,7 @@ void FASTCALL(send_IPI_self(int vector))
void init_VISWS_APIC_irqs(void);
void setup_IO_APIC(void);
void disable_IO_APIC(void);
-void print_IO_APIC(void);
+#define print_IO_APIC()
int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
void send_IPI(int dest, int vector);
void setup_ioapic_dest(void);
Index: head-2007-11-30/include/asm-x86_64/mach-xen/asm/hw_irq.h
==================================================================---
head-2007-11-30.orig/include/asm-x86_64/mach-xen/asm/hw_irq.h 2007-12-04
14:10:56.000000000 +0100
+++ head-2007-11-30/include/asm-x86_64/mach-xen/asm/hw_irq.h 2007-12-05
11:59:03.000000000 +0100
@@ -137,7 +137,7 @@ extern void send_IPI_self(int vector);
extern void init_VISWS_APIC_irqs(void);
extern void setup_IO_APIC(void);
extern void disable_IO_APIC(void);
-extern void print_IO_APIC(void);
+#define print_IO_APIC()
extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
extern void send_IPI(int dest, int vector);
extern void setup_ioapic_dest(void);
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