diff options
author | David S. Miller <davem@davemloft.net> | 2008-12-02 22:50:27 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-12-02 22:50:27 -0500 |
commit | aa2ba5f1082dc705745899584aac8416d710c056 (patch) | |
tree | bde0bf4aff036c6bac19a0212194ae1092afb3c9 /arch/x86/kernel/io_apic.c | |
parent | 68024541e2e5a8f35e281daaa5068a29e2a538a5 (diff) | |
parent | f6f7b52e2f6149d2ee365717afff315b05720162 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/ixgbe/ixgbe_main.c
drivers/net/smc91x.c
Diffstat (limited to 'arch/x86/kernel/io_apic.c')
-rw-r--r-- | arch/x86/kernel/io_apic.c | 48 |
1 files changed, 22 insertions, 26 deletions
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index c9513e1ff28d..9043251210fb 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c | |||
@@ -3608,27 +3608,7 @@ int __init io_apic_get_redir_entries (int ioapic) | |||
3608 | 3608 | ||
3609 | int __init probe_nr_irqs(void) | 3609 | int __init probe_nr_irqs(void) |
3610 | { | 3610 | { |
3611 | int idx; | 3611 | return NR_IRQS; |
3612 | int nr = 0; | ||
3613 | #ifndef CONFIG_XEN | ||
3614 | int nr_min = 32; | ||
3615 | #else | ||
3616 | int nr_min = NR_IRQS; | ||
3617 | #endif | ||
3618 | |||
3619 | for (idx = 0; idx < nr_ioapics; idx++) | ||
3620 | nr += io_apic_get_redir_entries(idx) + 1; | ||
3621 | |||
3622 | /* double it for hotplug and msi and nmi */ | ||
3623 | nr <<= 1; | ||
3624 | |||
3625 | /* something wrong ? */ | ||
3626 | if (nr < nr_min) | ||
3627 | nr = nr_min; | ||
3628 | if (WARN_ON(nr > NR_IRQS)) | ||
3629 | nr = NR_IRQS; | ||
3630 | |||
3631 | return nr; | ||
3632 | } | 3612 | } |
3633 | 3613 | ||
3634 | /* -------------------------------------------------------------------------- | 3614 | /* -------------------------------------------------------------------------- |
@@ -3775,7 +3755,9 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity) | |||
3775 | void __init setup_ioapic_dest(void) | 3755 | void __init setup_ioapic_dest(void) |
3776 | { | 3756 | { |
3777 | int pin, ioapic, irq, irq_entry; | 3757 | int pin, ioapic, irq, irq_entry; |
3758 | struct irq_desc *desc; | ||
3778 | struct irq_cfg *cfg; | 3759 | struct irq_cfg *cfg; |
3760 | cpumask_t mask; | ||
3779 | 3761 | ||
3780 | if (skip_ioapic_setup == 1) | 3762 | if (skip_ioapic_setup == 1) |
3781 | return; | 3763 | return; |
@@ -3792,16 +3774,30 @@ void __init setup_ioapic_dest(void) | |||
3792 | * cpu is online. | 3774 | * cpu is online. |
3793 | */ | 3775 | */ |
3794 | cfg = irq_cfg(irq); | 3776 | cfg = irq_cfg(irq); |
3795 | if (!cfg->vector) | 3777 | if (!cfg->vector) { |
3796 | setup_IO_APIC_irq(ioapic, pin, irq, | 3778 | setup_IO_APIC_irq(ioapic, pin, irq, |
3797 | irq_trigger(irq_entry), | 3779 | irq_trigger(irq_entry), |
3798 | irq_polarity(irq_entry)); | 3780 | irq_polarity(irq_entry)); |
3781 | continue; | ||
3782 | |||
3783 | } | ||
3784 | |||
3785 | /* | ||
3786 | * Honour affinities which have been set in early boot | ||
3787 | */ | ||
3788 | desc = irq_to_desc(irq); | ||
3789 | if (desc->status & | ||
3790 | (IRQ_NO_BALANCING | IRQ_AFFINITY_SET)) | ||
3791 | mask = desc->affinity; | ||
3792 | else | ||
3793 | mask = TARGET_CPUS; | ||
3794 | |||
3799 | #ifdef CONFIG_INTR_REMAP | 3795 | #ifdef CONFIG_INTR_REMAP |
3800 | else if (intr_remapping_enabled) | 3796 | if (intr_remapping_enabled) |
3801 | set_ir_ioapic_affinity_irq(irq, TARGET_CPUS); | 3797 | set_ir_ioapic_affinity_irq(irq, mask); |
3802 | #endif | ||
3803 | else | 3798 | else |
3804 | set_ioapic_affinity_irq(irq, TARGET_CPUS); | 3799 | #endif |
3800 | set_ioapic_affinity_irq(irq, mask); | ||
3805 | } | 3801 | } |
3806 | 3802 | ||
3807 | } | 3803 | } |