x86: convert to generic helpers for IPI function calls

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / mpparse.c

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 70744e344fa1f7541e249299f1a056d2689cf7c3..404683b94e79592c69e04930ed385056f8f5861c 100644 (file)
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -686,13 +686,11 @@ void __init get_smp_config(void)
 static int __init smp_scan_config(unsigned long base, unsigned long length,
                                  unsigned reserve)
 {
-       extern void __bad_mpf_size(void);
        unsigned int *bp = phys_to_virt(base);
        struct intel_mp_floating *mpf;
 
        Dprintk("Scan SMP from %p for %ld bytes.\n", bp, length);
-       if (sizeof(*mpf) != 16)
-               __bad_mpf_size();
+       BUILD_BUG_ON(sizeof(*mpf) != 16);
 
        while (length > 0) {
                mpf = (struct intel_mp_floating *)bp;
@@ -796,12 +794,16 @@ void __init find_smp_config(void)
                             ACPI-based MP Configuration
    -------------------------------------------------------------------------- */
 
+/*
+ * Keep this outside and initialized to 0, for !CONFIG_ACPI builds:
+ */
+int es7000_plat;
+
 #ifdef CONFIG_ACPI
 
 #ifdef CONFIG_X86_IO_APIC
 
 #define MP_ISA_BUS             0
-#define MP_MAX_IOAPIC_PIN      127
 
 extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
 
@@ -820,7 +822,7 @@ static int mp_find_ioapic(int gsi)
        return -1;
 }
 
-static u8 uniq_ioapic_id(u8 id)
+static u8 __init uniq_ioapic_id(u8 id)
 {
 #ifdef CONFIG_X86_32
        if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
@@ -909,18 +911,9 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
        intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid;     /* APIC ID */
        intsrc.mpc_dstirq = pin;        /* INTIN# */
 
-       Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, %d-%d\n",
-               intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3,
-               (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus,
-               intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, intsrc.mpc_dstirq);
-
-       mp_irqs[mp_irq_entries] = intsrc;
-       if (++mp_irq_entries == MAX_IRQ_SOURCES)
-               panic("Max # of irq sources exceeded!\n");
+       MP_intsrc_info(&intsrc);
 }
 
-int es7000_plat;
-
 void __init mp_config_acpi_legacy_irqs(void)
 {
        struct mpc_config_intsrc intsrc;
@@ -985,23 +978,14 @@ void __init mp_config_acpi_legacy_irqs(void)
                intsrc.mpc_srcbusirq = i;       /* Identity mapped */
                intsrc.mpc_dstirq = i;
 
-               Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, "
-                       "%d-%d\n", intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3,
-                       (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus,
-                       intsrc.mpc_srcbusirq, intsrc.mpc_dstapic,
-                       intsrc.mpc_dstirq);
-
-               mp_irqs[mp_irq_entries] = intsrc;
-               if (++mp_irq_entries == MAX_IRQ_SOURCES)
-                       panic("Max # of irq sources exceeded!\n");
+               MP_intsrc_info(&intsrc);
        }
 }
 
 int mp_register_gsi(u32 gsi, int triggering, int polarity)
 {
-       int ioapic = -1;
-       int ioapic_pin = 0;
-       int idx, bit = 0;
+       int ioapic;
+       int ioapic_pin;
 #ifdef CONFIG_X86_32
 #define MAX_GSI_NUM    4096
 #define IRQ_COMPRESSION_START  64
@@ -1041,15 +1025,13 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
         * with redundant pin->gsi mappings (but unique PCI devices);
         * we only program the IOAPIC on the first.
         */
-       bit = ioapic_pin % 32;
-       idx = (ioapic_pin < 32) ? 0 : (ioapic_pin / 32);
-       if (idx > 3) {
+       if (ioapic_pin > MP_MAX_IOAPIC_PIN) {
                printk(KERN_ERR "Invalid reference to IOAPIC pin "
                       "%d-%d\n", mp_ioapic_routing[ioapic].apic_id,
                       ioapic_pin);
                return gsi;
        }
-       if ((1 << bit) & mp_ioapic_routing[ioapic].pin_programmed[idx]) {
+       if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) {
                Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n",
                        mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
 #ifdef CONFIG_X86_32
@@ -1059,7 +1041,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
 #endif
        }
 
-       mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1 << bit);
+       set_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed);
 #ifdef CONFIG_X86_32
        /*
         * For GSI >= 64, use IRQ compression