Commit bd8559c3 authored by Adrian Bunk's avatar Adrian Bunk Committed by Andi Kleen
Browse files

[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: default avatarAdrian Bunk <bunk@stusta.de>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent ca906e42

arch/i386/kernel/io_apic.c

+0 −30
Original line number Diff line number Diff line
@@ -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");

arch/x86_64/kernel/io_apic.c

+0 −28
Original line number Diff line number Diff line
@@ -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");

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