- patches.apparmor/remove_suid_new_case_in_2.6.22.diff: Merge fix.
[linux-flexiantxendom0-3.2.10.git] / arch / i386 / kernel / io_apic.c
index 97db6e8..9ab400e 100644 (file)
@@ -25,7 +25,6 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/sched.h>
-#include <linux/smp_lock.h>
 #include <linux/mc146818rtc.h>
 #include <linux/compiler.h>
 #include <linux/acpi.h>
@@ -39,6 +38,7 @@
 #endif /* CONFIG_KDB */
 #include <linux/htirq.h>
 #include <linux/freezer.h>
+#include <linux/kthread.h>
 
 #include <asm/io.h>
 #include <asm/smp.h>
@@ -665,8 +665,6 @@ static int balanced_irq(void *unused)
        unsigned long prev_balance_time = jiffies;
        long time_remaining = balanced_irq_interval;
 
-       daemonize("kirqd");
-       
        /* push everything to CPU 0 to give us a starting point.  */
        for (i = 0 ; i < NR_IRQS ; i++) {
                irq_desc[i].pending_mask = cpumask_of_cpu(0);
@@ -726,10 +724,9 @@ static int __init balanced_irq_init(void)
        }
        
        printk(KERN_INFO "Starting balanced_irq\n");
-       if (kernel_thread(balanced_irq, NULL, CLONE_KERNEL) >= 0) 
+       if (!IS_ERR(kthread_run(balanced_irq, NULL, "kirqd")))
                return 0;
-       else 
-               printk(KERN_ERR "balanced_irq_init: failed to spawn balanced_irq");
+       printk(KERN_ERR "balanced_irq_init: failed to spawn balanced_irq");
 failed:
        for_each_possible_cpu(i) {
                kfree(irq_cpu_data[i].irq_delta);
@@ -1411,10 +1408,6 @@ 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;
@@ -1454,34 +1447,12 @@ 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,
@@ -1491,8 +1462,6 @@ 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();
        }
 
        /*
@@ -1504,8 +1473,6 @@ 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");
@@ -2619,19 +2586,19 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
        if (irq < 0)
                return irq;
 
-       set_irq_msi(irq, desc);
        ret = msi_compose_msg(dev, irq, &msg);
        if (ret < 0) {
                destroy_irq(irq);
                return ret;
        }
 
+       set_irq_msi(irq, desc);
        write_msi_msg(irq, &msg);
 
        set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq,
                                      "edge");
 
-       return irq;
+       return 0;
 }
 
 void arch_teardown_msi_irq(unsigned int irq)