[PATCH] x86: remove UNEXPECTED_IO_APIC()

Many years ago, UNEXPECTED_IO_APIC() contained printk()'s (but nothing more).

Now that it's completely empty for years, we can as well remove it.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andi Kleen <ak@suse.de>

2 files changed, 0 insertions, 58 deletions

diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index b3ab8ffebd27..8191583032d0 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -1403,10 +1403,6 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
         enable_8259A_irq(0);
 }
 
-static inline void UNEXPECTED_IO_APIC(void)
-{
-}
-
 void __init print_IO_APIC(void)
 {
         int apic, i;
@@ -1446,34 +1442,12 @@ void __init print_IO_APIC(void)
         printk(KERN_DEBUG ".......    : physical APIC id: %02X\n", reg_00.bits.ID);
         printk(KERN_DEBUG ".......    : Delivery Type: %X\n", reg_00.bits.delivery_type);
         printk(KERN_DEBUG ".......    : LTS          : %X\n", reg_00.bits.LTS);
-        if (reg_00.bits.ID >= get_physical_broadcast())
-                UNEXPECTED_IO_APIC();
-        if (reg_00.bits.__reserved_1 || reg_00.bits.__reserved_2)
-                UNEXPECTED_IO_APIC();
 
         printk(KERN_DEBUG ".... register #01: %08X\n", reg_01.raw);
         printk(KERN_DEBUG ".......     : max redirection entries: %04X\n", reg_01.bits.entries);
-        if (    (reg_01.bits.entries != 0x0f) && /* older (Neptune) boards */
-                (reg_01.bits.entries != 0x17) && /* typical ISA+PCI boards */
-                (reg_01.bits.entries != 0x1b) && /* Compaq Proliant boards */
-                (reg_01.bits.entries != 0x1f) && /* dual Xeon boards */
-                (reg_01.bits.entries != 0x22) && /* bigger Xeon boards */
-                (reg_01.bits.entries != 0x2E) &&
-                (reg_01.bits.entries != 0x3F)
-        )
-                UNEXPECTED_IO_APIC();
 
         printk(KERN_DEBUG ".......     : PRQ implemented: %X\n", reg_01.bits.PRQ);
         printk(KERN_DEBUG ".......     : IO APIC version: %04X\n", reg_01.bits.version);
-        if (    (reg_01.bits.version != 0x01) && /* 82489DX IO-APICs */
-                (reg_01.bits.version != 0x10) && /* oldest IO-APICs */
-                (reg_01.bits.version != 0x11) && /* Pentium/Pro IO-APICs */
-                (reg_01.bits.version != 0x13) && /* Xeon IO-APICs */
-                (reg_01.bits.version != 0x20)    /* Intel P64H (82806 AA) */
-        )
-                UNEXPECTED_IO_APIC();
-        if (reg_01.bits.__reserved_1 || reg_01.bits.__reserved_2)
-                UNEXPECTED_IO_APIC();
 
         /*
          * Some Intel chipsets with IO APIC VERSION of 0x1? don't have reg_02,
@@ -1483,8 +1457,6 @@ void __init print_IO_APIC(void)
         if (reg_01.bits.version >= 0x10 && reg_02.raw != reg_01.raw) {
                 printk(KERN_DEBUG ".... register #02: %08X\n", reg_02.raw);
                 printk(KERN_DEBUG ".......     : arbitration: %02X\n", reg_02.bits.arbitration);
-                if (reg_02.bits.__reserved_1 || reg_02.bits.__reserved_2)
-                        UNEXPECTED_IO_APIC();
         }
 
         /*
@@ -1496,8 +1468,6 @@ void __init print_IO_APIC(void)
             reg_03.raw != reg_01.raw) {
                 printk(KERN_DEBUG ".... register #03: %08X\n", reg_03.raw);
                 printk(KERN_DEBUG ".......     : Boot DT    : %X\n", reg_03.bits.boot_DT);
-                if (reg_03.bits.__reserved_1)
-                        UNEXPECTED_IO_APIC();
         }
 
         printk(KERN_DEBUG ".... IRQ redirection table:\n");
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 318d9055cd97..dd14ffa565b1 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -907,10 +907,6 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
         enable_8259A_irq(0);
 }
 
-void __init UNEXPECTED_IO_APIC(void)
-{
-}
-
 void __apicdebuginit print_IO_APIC(void)
 {
         int apic, i;
@@ -946,40 +942,16 @@ void __apicdebuginit print_IO_APIC(void)
         printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mpc_apicid);
         printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
         printk(KERN_DEBUG ".......    : physical APIC id: %02X\n", reg_00.bits.ID);
-        if (reg_00.bits.__reserved_1 || reg_00.bits.__reserved_2)
-                UNEXPECTED_IO_APIC();
 
         printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)&reg_01);
         printk(KERN_DEBUG ".......     : max redirection entries: %04X\n", reg_01.bits.entries);
-        if (    (reg_01.bits.entries != 0x0f) && /* older (Neptune) boards */
-                (reg_01.bits.entries != 0x17) && /* typical ISA+PCI boards */
-                (reg_01.bits.entries != 0x1b) && /* Compaq Proliant boards */
-                (reg_01.bits.entries != 0x1f) && /* dual Xeon boards */
-                (reg_01.bits.entries != 0x22) && /* bigger Xeon boards */
-                (reg_01.bits.entries != 0x2E) &&
-                (reg_01.bits.entries != 0x3F) &&
-                (reg_01.bits.entries != 0x03) 
-        )
-                UNEXPECTED_IO_APIC();
 
         printk(KERN_DEBUG ".......     : PRQ implemented: %X\n", reg_01.bits.PRQ);
         printk(KERN_DEBUG ".......     : IO APIC version: %04X\n", reg_01.bits.version);
-        if (    (reg_01.bits.version != 0x01) && /* 82489DX IO-APICs */
-                (reg_01.bits.version != 0x02) && /* 82801BA IO-APICs (ICH2) */
-                (reg_01.bits.version != 0x10) && /* oldest IO-APICs */
-                (reg_01.bits.version != 0x11) && /* Pentium/Pro IO-APICs */
-                (reg_01.bits.version != 0x13) && /* Xeon IO-APICs */
-                (reg_01.bits.version != 0x20)    /* Intel P64H (82806 AA) */
-        )
-                UNEXPECTED_IO_APIC();
-        if (reg_01.bits.__reserved_1 || reg_01.bits.__reserved_2)
-                UNEXPECTED_IO_APIC();
 
         if (reg_01.bits.version >= 0x10) {
                 printk(KERN_DEBUG ".... register #02: %08X\n", reg_02.raw);
                 printk(KERN_DEBUG ".......     : arbitration: %02X\n", reg_02.bits.arbitration);
-                if (reg_02.bits.__reserved_1 || reg_02.bits.__reserved_2)
-                        UNEXPECTED_IO_APIC();
         }
 
         printk(KERN_DEBUG ".... IRQ redirection table:\n");